Acid Soothe [Discontinued] by Enzymedica

POSSIBLY EFFECTIVE

• Burns. Topical gotu kola seems to improve the rate of burn healing. Details: Clinical research shows that applying a cream containing gotu kola 3% once daily to second degree burns increases the rate of re-epithelialization and complete healing by about 7 days when compared with silver sulfadiazine (SSD) 1% cream. Gotu kola cream also seems to reduce dryness, itching, irritation, and scar severity when compared with SSD (97027). Other research in adults with second degree burns shows that applying a gauze dressing containing gotu kola 5% and aloe 2.5%, covered with absorbent cotton wool and changed every 3 days, reduces time to healing by 1.5 days and length of hospital stay by 1.7 days when compared with the use of a gauze dressing containing chlorhexidine acetate 0.5% (97028).
• Venous insufficiency. Oral gotu kola seems to improve symptoms of venous insufficiency. Details: Clinical research shows that taking gotu kola or a specific extract of gotu kola (Centellase) 60-180 mg daily orally for 4-8 weeks seems to improve measures of circulation and decrease symptoms such as edema in patients with venous insufficiency (6887,9786,11063,11064,11066,11070,52894,52909).

POSSIBLY INEFFECTIVE

• Cognitive function. Oral gotu kola does not seem to be beneficial for cognitive function. Details: A meta-analysis of a small number of generally moderate quality clinical trials shows that taking a single dose of gotu kola, alone or in combination with other ingredients, does not improve cognitive function when compared with placebo (105334). In one study, gotu kola was taken in combination with ginkgo and docosahexaenoic acid (DHA) for 4 months by healthy, cognitively intact older adults (52880).
• Radiation dermatitis. Topical gotu kola does not seem to reduce symptoms of radiation dermatitis. Details: Clinical research in females undergoing radiotherapy for breast cancer shows that applying a cream containing gotu kola extract 7% once daily during and up to 4 weeks following radiotherapy does not reduce the severity of dermatitis when compared with no treatment or applying a moisturizing cream (102792).

INSUFFICIENT RELIABLE EVIDENCE to RATE

• Aging skin. Oral gotu kola has only been evaluated in combination with other ingredients; its effect when used alone is unclear. Details: A small clinical study in healthy, middle-aged females shows that applying a topical emulsion containing extracts of gotu kola 3% and Indian gooseberry 3% twice daily for 60 days improves skin hydration, some measures of skin wrinkles, and elasticity of the cheek (but not the eye) when compared with placebo (111571). It is unclear if these effects are due to gotu kola, Indian gooseberry, or the combination.
• Alzheimer disease. Although there is interest in using oral gotu kola for Alzheimer disease, there is insufficient reliable information about the clinical effects of gotu kola for this condition.
• Anal fissures. It is unclear if topical gotu kola is beneficial for anal fissures. Details: In patients with chronic anal fissures who are using standard dietary and hygiene treatments, preliminary clinical research shows that taking gotu kola extract 60 mg twice daily for 8 weeks and locally applying an ointment containing gotu kola does not reduce the mean time to bleeding cessation when compared with standard treatments alone. However, pain may be modestly improved. Also, gotu kola was less effective than an unspecified flavonoid mixture used both orally and topically (105332).
• Atherosclerosis. It is unclear if oral gotu kola is beneficial for slowing the progression of atherosclerotic plaques. Details: Some preliminary clinical research shows that taking gotu kola extract 60 mg orally three times daily for 12 months helps stabilize low-density atherosclerotic plaques when compared with placebo (11062,11069). Gotu kola has also been evaluated in combination with a specific maritime pine bark product (Pycnogenol, Horphag Research). A non-randomized clinical trial shows that taking gotu kola 225 mg and Pycnogenol 150 mg in two divided doses daily for 3 months reduces plaque height and length and increases plaque echogenicity and stability when compared to control (97030). Another non-randomized clinical study in adults with atherosclerotic plaques and no other cardiovascular risk factors shows that taking gotu kola extract 100 mg and Pycnogenol 100 mg daily for up to 4 years reduces plaque progression and increases plaque echogenicity when compared with Pycnogenol alone or no treatment at all. Taking gotu kola and Pycnogenol is also associated with a reduced rate of clinical vascular events, including angina, myocardial infarction, minor transient ischemic attacks (TIAs), and minor strokes when compared with taking Pycnogenol alone or receiving no treatment at all (97029). It is unclear how these outcomes would compare to the use of gotu kola alone.
• Attention deficit-hyperactivity disorder (ADHD). Although there is interest in using oral gotu kola for ADHD, there is insufficient reliable information about the clinical effects of gotu kola for this condition.
• Atopic dermatitis (eczema). Topical gotu kola has only been evaluated in combination with other ingredients; its effect when used alone is unclear. Details: Preliminary clinical research shows that applying an ointment containing 5% each of the extracts of heart's ease, gotu kola, and Oregon grape twice daily for 4 weeks does not improve eczema when compared with a base cream. However, patients with eczema on skin exposed to cold weather might experience some improvement (67372).
• Depression. Although there is interest in using oral gotu kola for depression, there is insufficient reliable information about the clinical effects of gotu kola for this condition.
• Diabetic foot ulcers. Topical gotu kola has only been evaluated in combination with other ingredients; its effect when used alone is unclear. Details: In patients with deep diabetic foot ulcers, preliminary clinical research shows that applying a cream (WH-1 cream) containing 1.25% of gotu kola and Plectranthus amboinicus extracts in a 4:1 ratio twice daily for 2 weeks after surgical debridement is as effective as the use of a standard hydrocolloid fiber wound dressing for improving wound size. However, when compared with baseline, changes in wound size were not statistically significant (105335).
• Diabetic microangiopathy. It is unclear if oral gotu kola is beneficial for diabetic microangiopathy. Details: Preliminary clinical research shows that taking gotu kola extract 60 mg orally twice daily for 6-12 months helps increase measures of circulation and decrease edema in patients with diabetic microangiopathy (11065,11068,52917).
• Dry skin. It is unclear if topical gotu kola is beneficial for dry skin. Details: In patients with dry skin associated with type 2 diabetes, clinical research shows that topical application with 0.25 grams of a gotu kola 1% ointment twice daily, either alone or with oral gotu kola 1100 mg twice daily, for 28 days does not improve dry skin when compared with placebo. However, in a sub-group of patients with well-controlled diabetes, the combination of oral and topical gotu kola modestly improved dry skin (105329). Additionally, a small clinical study in individuals with dry skin due to working with synthetic and natural dyes shows that application of a gotu kola 2% ceramide-based cream to the hands and arms twice daily for 4 weeks improves skin barrier hydration, as measured by hydration of the stratum corneum and skin acidity, when compared to baseline. These improvements were similar to those seen with a ceramide 5% cream (109554). As the gotu kola cream was formulated with ceramide, it is unclear if these findings are due to gotu kola, ceramide, or the combination.
• Epilepsy. Although there is interest in using oral gotu kola for epilepsy, there is insufficient reliable information about the clinical effects of gotu kola for this condition.
• Generalized anxiety disorder (GAD). It is unclear if oral gotu kola is beneficial for GAD. Details: In patients with GAD, preliminary clinical research shows that taking gotu kola extract 500 mg twice daily for 60 days reduces symptoms of anxiety, depression, and stress by 22% to 26% when compared with baseline (105333). The validity of these findings is limited by the lack of a comparator group.
• Hemorrhoids. It is unclear if topical gotu kola is beneficial for hemorrhoids. Details: Preliminary clinical research in patients with chronic hemorrhoids, as well as patients with acute symptoms following a hemorrhoidectomy or surgical treatment for hemorrhoidal thrombosis, shows that taking gotu kola extract (Centella complex) 60 mg twice daily for 15 weeks and locally applying an ointment (Proctocella) containing gotu kola, arnica, and aloe, in conjunction with standard treatments, does not reduce the mean time to bleeding cessation when compared with standard treatments alone. Anal irritation was modestly improved in the patients with chronic hemorrhoids and in those undergoing treatment for hemorrhoidal thrombosis, but not in those that had undergone a hemorrhoidectomy (105336).
• Herpes zoster (shingles). Although there is interest in using oral gotu kola for shingles, there is insufficient reliable information about the clinical effects of gotu kola for this condition.
• Hypertension. It is unclear if oral gotu kola is beneficial for hypertension. Details: Preliminary clinical research in patients with hypertension shows that drinking a tea made by boiling gotu kola 4 grams in 250 mL water three times daily for 3 days modestly reduces systolic and diastolic blood pressure when compared with baseline. After consuming the tea, about 40% of patients had normal or high-normal systolic blood pressure and 77% had optimal or normal diastolic blood pressure, compared with 0% and 45%, respectively, prior to consumption (105330). The validity of these findings is limited by the lack of a comparator group.
• Hypertrophic scars. Topical gotu kola has only been evaluated in combination with other ingredients; its effect when used alone is unclear. Details: Clinical research shows that topical use of a specific silicone gel (Bangkok Botanica) containing 15% extracts of gotu kola, onion, aloe, and paper mulberry, starting 2 weeks after surgery and continuing for 6 months, moderately improves the height and pliability of the post-surgical hypertrophic scar when compared with a silicone placebo gel. There was no effect on pigmentation or vascularity (102793). It is unknown whether any benefit is related to gotu kola, other ingredients, or their combination.
• Idiopathic interstitial pneumonia. Oral gotu kola has only been evaluated in combination with other ingredients; its effect when used alone is unclear. Details: A small observational registry study in males less than 65 years old with idiopathic interstitial pneumonia has found that taking a specific gotu kola extract (Centellicum; Horphag Research) 225 mg three times daily in combination with a standardized extract of maritime pine bark (Pycnogenol, Horphag Research) 50 mg three times daily for 8 months is associated with a modest improvement in Karnofsky Performance Scale scores and a reduction in fatigue when compared with pirfenidone (108862). However, the validity of these findings is limited by the unblinded, non-randomized nature of the study.
• Keloids. It is unclear if oral or topical gotu kola are beneficial for keloids. Details: There is some early evidence that applying a specific extract of gotu kola (Madecassol) topically might help reduce keloids and hypertrophic scarring (13558). Gotu kola has also been taken orally for keloids. Preliminary clinical research in patients at high risk for keloids shows that taking a specific extract of gotu kola (Centellicum, Horphag Research Ltd) 450 mg daily for 4 weeks starting on the second week after surgery seems to improve scar homogeneity and regularity (99756). However, the reliability of these results is limited because patients in this study were not randomized or blinded to different interventions.
• Laser skin resurfacing. It is unclear if topical gotu kola is beneficial for recovery from laser skin resurfacing. Details: A small clinical trial shows that applying a gel containing gotu kola extract (ECa 233) 0.05% four times daily for 7 days, then twice daily for 3 months, improves wound healing following laser resurfacing for facial acne. Redness returned to baseline levels by day 7, in contrast to day 28 on the side treated with a placebo gel. The general wound appearance and crusting were also improved on the side on which the gotu kola extract gel was applied (102794).
• Osteoarthritis. Topical gotu kola has only been evaluated in combination with other ingredients; its effect when used alone is unclear. Details: A large, single-blind clinical study in adults with knee osteoarthritis causing moderate pain shows that applying a specific cream (TMP-4) containing extracts of gotu kola leaf, sesame seed, soybean, and mangosteen peel four times daily for 4 weeks provides similar improvement in pain scores when compared with diclofenac 1% gel. Topical TMP-4 cream also seems to improve knee stiffness, stair climbing, and mobility similarly to diclofenac gel. However, patient impression of overall improvement was higher with diclofenac (110128). The validity of this study is limited by inadequate blinding.
• Scarring. It is unclear if topical gotu kola is beneficial for scarring or tenderness from scarring. Details: Preliminary clinical research in patients without a history of keloid formation suggests that applying a specific cream (Alpha Centella, not available in the US) containing gotu kola and Bulbine frutescens extracts twice daily for 6-8 weeks following suture removal might help to reduce scarring (11072). Also, a large clinical study in adults who underwent carpal tunnel release surgery shows that applying gotu kola cream 1% three times daily for 6 months after suture removal marginally improves self-reported scar tenderness pain when compared with control, and modestly improves scarring scores when compared to baseline (112425). However, the interpretation of these findings is limited by patient-reported outcomes and insufficient validity of the scar scoring tool in this population.
• Skin grafts. Although there is interest in using topical gotu kola for skin graft recovery, there is insufficient reliable information about the clinical effects of gotu kola for this condition.
• Stretch marks (striae gravidarum). It is unclear if oral gotu kola is beneficial for stretch marks; topical gotu kola has only been evaluated in combination with other ingredients. Details: Preliminary clinical research in females with stretch marks shows that taking a specific extract of gotu kola (Centellicum, Horphag Research Ltd) 225 mg three times daily for 6 weeks increases skin thickness, elasticity, and perfusion when compared with a stretch mark minimizer cream (Clarins) and regular control cream (99757). The validity of these results is limited by the fact that patients were not randomized or blinded to the different interventions. Gotu kola has also been evaluated topically in combination with other ingredients. Preliminary clinical research shows that applying a specific mixture of gotu kola, vitamin E, and collagen-elastin hydrolysates in a cream (Trofolastin, not available in the US) daily during the second and third trimesters reduces stretch marks when compared with a placebo cream (13559). Another small clinical study shows that applying a specific mixture of gotu kola, vitamin E, essential fatty acids, hyaluronic acid, elastin, and menthol in an ointment (Verum, not available in the US) helps decrease the formation of stretch marks during pregnancy when compared with placebo (11073). Other preliminary clinical research in patients without previous striae shows that applying a specific formula containing hydroxyprolisilane C, rosehip oil, gotu kola triterpenes, and vitamin E (Velastisa Antiestrías, ISDIN) twice daily, beginning at week 10-14 and continuing throughout pregnancy, decreases the severity of both new and old stretch marks and the incidence of stretch marks when compared with placebo (92507). It is unclear if the effects seen in these studies are due to gotu kola, other ingredients, or the combinations.
• Systemic lupus erythematosus (SLE). Although there is interest in using oral gotu kola for SLE, there is insufficient reliable information about the clinical effects of gotu kola for this condition.
• Tonsillitis. Although there is interest in using oral gotu kola for tonsillitis, there is insufficient reliable information about the clinical effects of gotu kola for this condition.
• Venous thromboembolism (VTE). It is unclear if oral gotu kola is beneficial for VTE prevention. Details: Preliminary clinical research shows that gotu kola decreases edema and improves measures of circulation in patients traveling on airplanes for more than 3 hours when compared to a control group receiving no treatment (11067). However, it is unknown if these changes reduce the incidence of clots.
• Wound healing. Although there is interest in using topical gotu kola for wound healing, there is insufficient reliable information about the clinical effects of gotu kola for this purpose.
• Wrinkled skin. It is unclear if topical gotu kola is beneficial for wrinkled skin. Details: Small, low-quality studies in healthy adults suggest that topical formulations of gotu kola extract or the constituent asiaticoside 0.1% or 0.2% applied 1-3 times daily have shown modest benefit for wrinkled skin. Cream or gel formulations were used for 12 weeks for periorbital wrinkles and a lipstick was used for 8 weeks for lip wrinkles. However, the extent of benefit is not clear and meta-analyses are limited to a very small number of studies with varied comparator groups, including placebo, vehicle, tretinoin 0.02%, and Pueraria mirifica extract (106639). More evidence is needed to rate gotu kola for these uses.

(Read more about GOTU KOLA)

INSUFFICIENT RELIABLE EVIDENCE to RATE

• Celiac disease. Although there has been interest in using oral lipase for celiac disease, there is insufficient reliable information about the clinical effects of lipase for this purpose.
• Dyspepsia. It is unclear if oral lipase is beneficial for improving symptoms of postprandial distress syndrome. Details: A small clinical trial shows that taking a specific acid-resistant lipase (Amano Enzyme USA) 280 mg immediately before a high-fat meal does not reduce postprandial bloating and nausea when compared with placebo in individuals with postprandial distress syndrome (101900).
• Inflammatory bowel disease (IBD). Although there has been interest in using oral lipase for IBD, there is insufficient reliable information about the clinical effects of lipase for this purpose.
• Prematurity. It is unclear if adding a specific form of lipase, recombinant human bile salt-stimulated lipase (rhBSSL), to infant formula improves outcomes in premature infants. Some research suggests a potential increased risk for adverse effects. Details: Human breast milk contains rhBSSL, but it is inactivated when breast milk is pasteurized for donation. Clinical research in infants born before 32 weeks' gestation shows that adding rhBSSL as 8700 units per 100 mL formula or pasteurized breast milk, for 4 weeks does not increase growth velocity, body length, or head circumference over the next 12 months when compared with formula or pasteurized breast milk devoid of lipase. However, the infants who were small for gestational age (SGA), which made up approximately 15% of the study population, grew by an additional 1.9 grams/kg daily on average when compared with placebo (101940). More evidence is needed to rate lipase for these uses.

(Read more about LIPASE)

INSUFFICIENT RELIABLE EVIDENCE to RATE

• ACE inhibitor-induced cough. It is unclear if oral marshmallow root is beneficial in patients with cough due to ACE inhibitors. Details: A small clinical study in patients with ACE inhibitor-induced cough shows that taking marshmallow root 40 mg (20 drops) three times daily for 4 weeks improves cough when compared to baseline (62027). The validity of this finding is limited by the lack of a control group.
• Atopic dermatitis (eczema). It is unclear if topical marshmallow is beneficial in children with eczema. Details: A very small clinical study in children ages 3 months to 12 years with a recent diagnosis of mild to moderate eczema shows that applying a marshmallow 1% ointment twice daily for 1 week and then three times weekly for 3 weeks seems to reduce symptoms, as measured on the SCORing Atopic Dermatitis (SCORAD) scale, when compared with applying hydrocortisone 1% ointment (105437). This finding is limited by the large number of drop-outs due to non-compliance, most of which were in the marshmallow group.
• Breast engorgement. It is unclear if topical marshmallow is beneficial in women with this condition. Details: A small clinical study in breastfeeding women with breast engorgement shows that applying a compress containing 40-50 mL of a solution made from marshmallow leaves and stems 3 times daily for 2 days in conjunction with standard treatment improves patient-reported breast engorgement scores when compared with standard treatment alone. Standard treatment consisted of massage and alternating warm and cold compresses before and after breastfeeding (92845).
• Constipation. Although there is interest in using oral marshmallow for constipation, there is insufficient reliable information about the clinical effects of marshmallow for this condition.
• Cough. Although there is interest in using oral marshmallow for cough, there is insufficient reliable information about the clinical effects of marshmallow for this condition.
• Diarrhea. Although there is interest in using oral marshmallow for diarrhea, there is insufficient reliable information about the clinical effects of marshmallow for this condition.
• Fever. It is unclear if topical marshmallow is beneficial for pediatric fever. Details: A moderate-sized clinical study in children aged 6 months-10 years with fever receiving rectal acetaminophen shows that applying marshmallow extract body wash and lukewarm water reduces the time to defervescence by 8 minutes when compared with lukewarm water alone, but does not improve the change in body temperature, number of acetaminophen doses given, or incidence of fever recurrence (112375). However, the interpretation of these findings is limited to patients without fevers greater than 40 degrees Celsius or history of febrile seizures since these patients were not studied.
• Leishmania lesions. Topical marshmallow has only been evaluated in combination with other ingredients; its effect when used alone is unclear. Details: Preliminary clinical research suggests that the topical application of an herbal extract containing a combination of marshmallow and Althaea rosa to affected areas for 5 days can help promote curing of Leishmania lesions (62020).
• Respiratory tract infections. Although there is interest in using oral marshmallow for respiratory tract infections, there is insufficient reliable information about the clinical effects of marshmallow for this condition.
• Vaginal candidiasis. It is unclear if vaginal marshmallow is beneficial for vulvovaginal candidiasis. Details: A small clinical study in adults with vulvovaginal candidiasis shows that applying a vaginal cream comprised of marshmallow extract 4% and clotrimazole 1% daily for 7 days improves itching, dyspareunia, and dysuria at 7 days when compared with clotrimazole 1% alone. At 30 days, the marshmallow intervention also results in fewer positive yeast cultures and sustained reduction in itching (112371). However, the validity of these results is limited by significant differences between groups at baseline for dyspareunia and dysuria, and lack of adjustment for multiple comparisons which can increase false positive findings. Additionally, all primary outcomes were patient-reported.
• Venous leg ulcers. Although there is interest in using topical marshmallow for venous leg ulcers, there is insufficient reliable information about the clinical effects of marshmallow for this condition.
• Wounds. Although there is interest in using topical marshmallow for wounds, there is insufficient reliable information about the clinical effects of marshmallow for this condition. More evidence is needed to rate marshmallow for these uses.

(Read more about MARSHMALLOW)

INSUFFICIENT RELIABLE EVIDENCE to RATE

• Aging skin. Although there is interest in using oral fermented papaya for aging skin, there is insufficient reliable information about the clinical effects of papaya for this purpose.
• Androgenic alopecia. Papaya has only been evaluated in combination with other ingredients for androgenic alopecia; its effect when used alone is unclear. Details: A clinical study in adults with androgenic and diffuse alopecia shows that applying fermented papaya 2% hair lotion also containing fermented mangosteen and caffeine on the scalp daily plus fermented papaya 0.5% shampoo also containing fermented mangosteen on the scalp 3 times weekly for 14 weeks shows improvement in hair loss intensity and the quality of hair shaft compared to baseline (111719). It is unclear if the effect is due to the fermented papaya, other ingredients, or the combination.
• Colorectal cancer. It is unclear if oral papaya fruit prevents colorectal cancer. Details: One small observational study in adults living in Thailand has found that papaya fruit consumption is associated with a 42% lower odds of developing colorectal cancer (67941).
• Dengue fever. Small clinical studies suggest that oral papaya leaf extract might increase platelet counts in patients with dengue fever. Details: A meta-analysis of mostly small clinical studies in adults with dengue fever shows that taking papaya leaf extract reduces the duration of hospital stay by about 2 days and improves mean platelet count over the next five days by about 35 x 10⁹ when compared with standard treatment. The most common dosing ranged from 500 mg to 3300 mg daily for five days in divided doses (102799). This finding is limited by imprecision and high risk of bias. One additional small clinical study in patients with severe thrombocytopenia due to dengue fever shows that taking a papaya leaf extract (Caripill, Micro Labs) 1100 mg three times daily for 5 days increases platelet counts by a greater amount through day 3 when compared with placebo, and reduces the median time to platelet recovery by one day (102800).
• Diabetes. It is unclear if oral fermented papaya improves glycemic control in patients with diabetes. Details: A small clinical study in patients with type 2 diabetes shows that consuming fermented papaya fruit 3 grams once daily for 2 months reduces fasting and postprandial blood glucose levels by 13% and 10%, respectively, when compared to baseline (67902). The validity of this finding is limited by the lack of a comparator group.
• Gallbladder cancer. It is unclear if oral fermented papaya prevents gallbladder cancer. Details: One small observational study in adults living in Thailand has found that eating papaya fruit is associated with a 66% lower odds of developing gallbladder cancer (67871).
• Gingivitis. It is unclear if using toothpaste and/or mouthwash containing fermented papaya leaf extract improves symptoms of gingivitis. Details: Preliminary clinical research in adults with good oral hygiene shows that brushing teeth twice daily with a toothpaste containing papaya leaf extract for 4 weeks, with or without the use of a papaya leaf extract-containing mouthwash, decreases gingival bleeding when compared to baseline. However, using this toothpaste with or without the mouthwash is no better than using a sodium lauryl sulfate (SLS)-free, enzyme-containing toothpaste, with or without an essential oil mouthwash (99861).
• Human papillomavirus (HPV). It is unclear if oral papaya fruit prevents persistent HPV infection. Details: A small population study in females infected with HPV has found that consuming papaya fruit at least once weekly is associated with 70% lower odds of persistent HPV infection when compared with never eating papaya fruit (67881).
• Intestinal parasite infection. Although there is interest in using oral papaya for intestinal parasite infection, there is insufficient reliable information about the clinical effects of papaya for this condition.
• Periodontitis. It is unclear if applying fermented papaya gel into gingival pockets is beneficial for periodontitis. Details: One small open-label clinical study in adults with moderate to severe periodontitis shows that, when used in addition to standard treatment, applying fermented papaya gel (Carica Co.) 7 grams into intragingival pockets for 15 minutes daily for 10 days seems to improve bleeding, plaque, and gingivitis after 7-45 days when compared with standard treatment alone (93090). The validity of this finding is limited by the lack of blinding.
• Thrombocytopenia. Although there is interest in using oral papaya leaf extract for immune thrombocytopenic purpura (ITP), there is insufficient reliable information about the clinical effects of papaya for this condition.
• Wound healing. It is unclear if topical papaya fruit gel is beneficial for wound healing. Details: A small open-label clinical study in patients with post-caesarean section wound gape shows that applying a wound dressing containing partially ripe papaya fruit 200 grams to the edges of a gaped wound for 48 hours, and re-applying as needed, seems to modestly speed up the development of granulation tissue and reduce the duration of hospitalization when compared with using hydrogen peroxide dressings, changed daily (93091). The validity of this finding is limited because the control treatment with hydrogen peroxide may cause skin damage and slow wound healing. More evidence is needed to rate papaya for these uses.

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POSSIBLY SAFE ...when used topically and appropriately. Gotu kola has been used safely in a cream or ointment for up to 10 weeks (11072,11073,67372,102792,105329,105335). An emulsion containing gotu kola extract 3% and other ingredients has been applied safely to the skin twice daily for up to 60 days (111571). ...when used orally and appropriately. Gotu kola extract has been used with apparent safety in doses of up to 180 mg daily for up to 12 months or 1000 mg daily for 60 days. Dried gotu kola has been used with apparent safety in doses of up to 2200 mg daily for 4 weeks (6887,11062,11063,11064,11065,11066,11067,11068,11069,11070)(11071,99756,99757,99758,105329,105332,105333). A specific gotu kola extract (Centellicum, Horphag Research Ltd) 450-675 mg daily has been used with apparent safety for up to 6 weeks (99756,99757).

PREGNANCY: POSSIBLY SAFE
when used topically and appropriately (11073,13559). There is insufficient reliable information available about the safety gotu kola when used orally during pregnancy; avoid using.

LACTATION:
Insufficient reliable information available; avoid using.

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There is insufficient reliable information available about the safety of lipase.

CHILDREN: POSSIBLY UNSAFE
when recombinant human bile salt-stimulated lipase (rhBSSL) is used orally by premature infants. Adding rhBSSL to infant formula or pasteurized breast milk increases the risk for serious gastrointestinal adverse effects in premature infants (101940).

PREGNANCY AND LACTATION:
Insufficient reliable information available; avoid using.

(Read more about LIPASE)

LIKELY SAFE ...when marshmallow root and leaf are used in amounts commonly found in foods. Marshmallow root has Generally Recognized As Safe (GRAS) status for use in foods in the US (4912).

POSSIBLY SAFE ...when marshmallow root and leaf are used orally in medicinal amounts (4,12). ...when used topically (4,62020). There is insufficient reliable information available about the safety of marshmallow flower.

PREGNANCY AND LACTATION:
Insufficient reliable information available.

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LIKELY SAFE ...when the ripe fruit is used orally in amounts commonly found in foods. Papaya has Generally Recognized as Safe (GRAS) status in the US (4912).

POSSIBLY SAFE ...when the leaf extract is used orally and appropriately in medicinal amounts, short term. The leaf extract has been used with apparent safety in doses of up to 3300 mg daily for up to 5 days (102799,102800). ...when the ripe fruit is used topically and appropriately, short term. The fruit has been applied with apparent safety to the gingiva or skin for up to 10 days (93090,93091).

POSSIBLY UNSAFE ...when the unripe fruit containing papaya latex and raw papain is used orally. Raw papain has been reported to cause esophageal perforation (6,93083). ...when papaya latex is used topically. Papaya latex, which contains raw papain, is a severe irritant and vesicant (6).

PREGNANCY: LIKELY SAFE
when the ripe fruit is consumed in amounts commonly found in foods.

PREGNANCY: POSSIBLY UNSAFE
when the unripe fruit containing papaya latex is used orally; avoid using. There is some concern that crude papain, a constituent of papaya latex, is teratogenic and embryotoxic (6); however, this might be due to extraneous substances rather than papain (11). Some evidence also suggests that high doses of papaya seed extract have abortifacient activity and can adversely affect fetal development (67870). Theoretically, eating large amounts of papaya seeds may have similar effects.

LACTATION: LIKELY SAFE
when the ripe fruit is consumed in amounts commonly found in foods. There is insufficient reliable information available about the safety of using papaya medicinally; avoid using.

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CNS DEPRESSANTS Interaction Rating = Moderate Be cautious with this combination. Severity = High •  Occurrence = Possible •  Level of Evidence = D Theoretically, taking gotu kola might increase the sedative effects of CNS depressants.  Details In vitro research suggests that gotu kola may have sedative effects via binding of GABA receptors (6887,11071).

HEPATOTOXIC DRUGS Interaction Rating = Moderate Be cautious with this combination. Severity = High •  Occurrence = Possible •  Level of Evidence = D Theoretically, taking gotu kola with hepatotoxic drugs might have additive adverse effects.  Details There are at least four case reports of hepatotoxicity associated with the use of gotu kola. However, more information is needed to determine if gotu kola was the causative factor in these cases (13182,92506).

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ANTICOAGULANT/ANTIPLATELET DRUGS Interaction Rating = Minor Be watchful with this combination. Severity = Moderate •  Occurrence = Unlikely •  Level of Evidence = D Theoretically, marshmallow flower might have antiplatelet effects.  Details Animal research suggests that marshmallow flower extract has antiplatelet effects (92846). However, the root and leaf of marshmallow, not the flower, are the plant parts most commonly found in dietary supplements. Theoretically, use of marshmallow flower with anticoagulant/antiplatelet drugs can have additive effects, and might increase the risk for bleeding in some patients.

LITHIUM Interaction Rating = Moderate Be cautious with this combination. Severity = Moderate •  Occurrence = Probable •  Level of Evidence = D Theoretically, due to potential diuretic effects, marshmallow might reduce excretion and increase levels of lithium.  Details Marshmallow is thought to have diuretic properties. To avoid lithium toxicity, the dose of lithium might need to be decreased when used with marshmallow.

ORAL DRUGS Interaction Rating = Minor Be watchful with this combination. Severity = Mild •  Occurrence = Possible •  Level of Evidence = D Theoretically, mucilage in marshmallow might impair absorption of oral drugs.  Details Marshmallow contains mucilage which can affect oral drug absorption (1,11,12,19). To avoid changes in absorption, take marshmallow 30-60 minutes after oral medications.

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AMIODARONE (Cordarone) Interaction Rating = Moderate Be cautious with this combination. Severity = Moderate •  Occurrence = Probable •  Level of Evidence = D Theoretically, papaya extract may increase the levels and clinical effects of amiodarone.  Details Animal research in rats shows that a single oral dose of papaya extract, as well as multiple doses of papaya extract daily over 14 days, prior to a single dose of amiodarone delays the time to maximum amiodarone concentration. However, only the 14-day papaya extract regimen increases systemic amiodarone exposure by 60% to 70% (93093). This interaction has not been reported in humans.

ANTIDIABETES DRUGS Interaction Rating = Moderate Be cautious with this combination. Severity = Moderate •  Occurrence = Probable •  Level of Evidence = B Concomitant use of antidiabetic drugs with fermented papaya can produce additive effects. It is unclear if other forms of papaya have the same effect.  Details A small low-quality clinical study in patients with type 2 diabetes who are taking glibenclamide shows that taking a fermented papaya preparation 3 grams daily for 2 months decreases fasting and postprandial blood glucose levels when compared to baseline. Additionally, of the 25 patients in the study, 9 required a reduction in glibenclamide dose (67902).

LEVOTHYROXINE (Synthroid, others) Interaction Rating = Moderate Be cautious with this combination. Severity = Moderate •  Occurrence = Possible •  Level of Evidence = D Theoretically, consuming large quantities of papaya fruit can reduce the clinical effects of levothyroxine.  Details In one case-report, a 37-year-old male with a history of thyroidectomy who was stabilized on levothyroxine for 5 years presented with hypothyroidism after consuming 5-6 papaya fruits daily for 14 days during vacation. In a controlled re-challenge test involving 5-6 papayas daily, the patient remained euthyroid for 7 days, but developed mild hypothyroidism after 14 days. Both times, thyroid levels normalized 40-45 days after discontinuing papaya (93087).

WARFARIN (Coumadin) Interaction Rating = Moderate Be cautious with this combination. Severity = High •  Occurrence = Possible •  Level of Evidence = D Theoretically, concomitant use of warfarin with papain-containing papaya extract might increase the effects and side effects of warfarin.  Details In one case report, a patient previously stable on warfarin was found to have an international normalization ratio (INR) of 7.4, which was attributed to ingestion of a supplement containing papain from papaya extract (613).

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General ...Orally and topically, gotu kola seems to be well tolerated.
Most Common Adverse Effects:
Orally: Gastric irritation and nausea.
Topically: Eczema.
Serious Adverse Effects (Rare):
Orally: Hepatotoxicity.

Dermatologic ...Topically, gotu kola may cause eczema (10277,10278). Also, gotu kola can cause allergic contact dermatitis, characterized by erythema, itching, papules, and a burning sensation (4,6887,9789,52875,52887,52896,52902). One specific gotu kola product (Blasteostimulina,Almirall, S. A.) has been reported to cause allergic contact dermatitis. However, not all patients with reactions to this product are sensitive to gotu kola; some patients are sensitive to neomycin, another ingredient in the product (52875). Madecassol ointment (Rona Laboratories Limited) is another gotu kola product that has resulted in allergic contact dermatitis. Controlled testing suggests that this product can cause this adverse effect in about 8% of patients (9789). Centellase cream has also caused allergic contact dermatitis in at least two cases (52887,52888).

Gastrointestinal ...In some patients, gotu kola can extract cause gastrointestinal upset and nausea (780,6887,52894).

Hepatic ...There is concern that gotu kola may cause liver toxicity in some patients. There are at least four case reports of hepatotoxicity associated with gotu kola; however, hepatotoxic contaminants cannot be ruled out, as laboratory analysis was not conducted on the products used. Additionally, the doses of gotu kola used in these cases were not reported (13182,92506). In a clinical trial where liver function was monitored, taking gotu kola 120 mg daily for 6 months was not associated with changes in liver function (11065).
In one case of hepatotoxicity, a 61-year-old female developed elevated liver transaminase and total bilirubin levels after taking gotu kola tablets for 30 days. Liver biopsy showed granulomatous acute hepatitis. Months later, the patient took gotu kola again and developed elevated liver transaminases after 2 weeks. In another case, a 52-year-old female developed symptoms of hepatitis and increased liver transaminases after taking gotu kola for 3 weeks. Biopsy indicated chronic hepatitis and granulomas, areas of necrosis, and cirrhotic transformation. Liver function normalized after discontinuation of gotu kola. In a third case, a 49-year-old female developed symptoms of hepatitis after taking gotu kola for 2 months. Biopsy revealed granulomatous hepatitis. Liver function normalized after discontinuation of gotu kola (13182). In a fourth case, a 15-year-old female taking an unknown dose of gotu kola and lymecycline for 6 weeks for acne experienced acute liver failure with abdominal pain and vomiting, as well as elevated liver transaminases, bilirubin, international normalized ratio (INR), and prothrombin. Liver function returned to normal after both products were discontinued (92506).

Immunologic ...Topically, gotu kola can cause allergic contact dermatitis, characterized by erythema, itching, papules, and a burning sensation (4,6887,9789,52875,52887,52896,52902). One specific gotu kola product (Blasteostimulina, Almirall, S. A.) has been reported to cause allergic contact dermatitis in some patients. However, not all patients who react to this product are sensitive to gotu kola; some are sensitive to neomycin, another ingredient in the product (52875). Madecassol ointment (Rona Laboratories Limited) is another gotu kola product that has resulted in allergic contact dermatitis. Controlled testing suggests that this product can cause this adverse effect in about 8% of patients (9789). Centellase cream has also caused allergic contact dermatitis in at least two cases (52887,52888).

Psychiatric ...A case of night eating syndrome has been reported for a 41-year-old female who had been taking a gotu kola tincture (dose not specified) for 2 years. Symptoms resolved after gotu kola use was discontinued (52878).

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General ...No adverse effects have been reported in adults. However, a thorough evaluation of safety outcomes has not been conducted.
Serious Adverse Effects (Rare):
Orally: Gastrointestinal adverse effects, such as necrotizing enterocolitis, when recombinant human bile salt-stimulated lipase is used in premature infants.

Gastrointestinal ...Orally, when added to the formula or pasteurized breast milk consumed by premature infants, recombinant human bile salt-stimulated lipase (rhBSSL) can cause gastrointestinal adverse effects, including abdominal distension, flatulence, constipation, colic, abdominal pain, gastroenteritis, vomiting, regurgitation, and rectal bleeding (101940). Premature infants receiving rhBSSL also had a slightly higher rate of necrotizing enterocolitis (NEC) when compared with those receiving placebo. After review by a panel of experts, it was determined that the rate of confirmed or suspected NEC in infants consuming rhBSSL was 3.3%, compared with 0.5% in those receiving placebo. Although this rate of NEC is lower than the historical rate of occurrence in premature infants (11%), a possible increased risk for NEC cannot be ruled out (101940).

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General ...Orally and topically, no adverse effects have been reported. However, a thorough evaluation of safety outcomes has not been conducted.

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General ...Orally, papaya fruit is well tolerated when consumed in food amounts. Papaya leaf extract seems to be generally well tolerated.
Most Common Adverse Effects:
Orally: Nausea and vomiting from papaya leaf extract.
Topically: Burning sensation from unripe papaya.
Serious Adverse Effects (Rare):
Orally: Severe allergic reactions.

Dermatologic ...Orally, high doses of papaya might cause yellow skin discoloration. A case of carotenemia has been reported for a 42-year-old female who consumed 1.5-2 papayas daily for 6 months. The condition resolved when she stopped eating papayas (67929).
Topically, unripe papaya fruit may cause occasional burning sensation when applied to skin ulcers (67856).

Gastrointestinal ...Orally, the leaf extract has been reported to cause nausea and vomiting in clinical research (102799). A case of esophageal perforation has been reported for a previously healthy 27-year-old female who used papain, a constituent of papaya latex, to digest a piece of meat stuck in her esophagus (93083).

Immunologic ...Orally, papain, a constituent of raw, unripe papaya, has been reported to cause allergic reactions in sensitive individuals, including itchy watery eyes, runny nose, sneezing, abdominal cramps, sweating, and diarrhea (6,967). Papaya may also cause hypersensitivity reactions such as systemic contact dermatitis, which occur more commonly in people who are allergic to latex (6197,7853,57635). A case of systemic contact dermatitis has been reported for a 55-year-old female with no prior history of atopic disease or drug allergy after ingesting a throat lozenge containing papaya juice (67942).

Other ...In regions with arsenic-contaminated soil, papaya fruits contain a higher mean concentration of arsenic compared with many other forms of vegetation grown in the regions. Eating papaya from these regions is thought to contribute to higher dietary levels of arsenic (32461,67879).

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