Rainbow Herbal Remedies Better Breath Mouthwash by Spectrum Herbal

LIKELY INEFFECTIVE

• Schistosomiasis. Most research suggests that oral myrrh extract is not effective for treating schistosomiasis. Details: Although one manufacturer-sponsored study shows that taking a specific myrrh extract (Mirazid, Pharco Pharmaceuticals) 600 mg once daily for 6 days cures schistosomiasis in about 90% of patients, multiple clinical studies show that taking this myrrh extract does not treat schistosomiasis in children or adults. In one study, only about 9% of adults and children treated with this myrrh extract at a dose of 600 mg every 3 weeks for 2 doses were cured compared to about 76% of patients treated with praziquantel (95541). A similar lack of benefit was shown in another clinical trial in which children were given a higher dose of 300 mg daily for 3 days or 600 mg daily for 6 days (95542,95545). A systematic review of the available literature concludes that praziquantel continues to be the treatment of choice for schistosomiasis, and that myrrh appears ineffective for parasitological cure (95544).

INSUFFICIENT RELIABLE EVIDENCE to RATE

• Back pain. It is unclear if oral myrrh is beneficial in patients with back pain, and topical myrrh has only been evaluated in combination with other ingredients; its effect when used alone is unclear. Details: A small clinical study in adults with chronic low back pain shows that two 15-minute sessions of lumbar massage weekly with 5 mL of myrrh 2% and frankincense 2% essential oils for 3 weeks reduces measures of pain and disability when compared with placebo (111504). An observational study in adults with chronic lower back pain and sciatica suggests that taking a combination of myrrh 200 mg, palmitoylethanolamide 600 mg, and alpha-lipoic acid 800 mg daily for 30 days, along with periradicular infiltrations of oxygen-ozone, is associated with resolution of pain in 17% more patients when compared with periradicular steroid infiltrations at 60 days (111308). However, it is unclear if the effects in these studies are due to myrrh, other ingredients, or the combinations. Additionally, observational research in adults with chronic low back pain of varying intensity has found that taking a specific myrrh extract (MyrliMax, Sundyota Numandis Pharmaceuticals) 100 mg twice daily for 20 days is associated with reductions in pain and the need for rescue analgesics when compared to baseline (111112). The validity of these findings is limited by the lack of a control group.
• Cancer. Although there has been interest in using oral myrrh for cancer, there is insufficient reliable information about the clinical effects of myrrh for this purpose.
• Canker sores. Although there has been interest in using topical myrrh for canker sores, there is insufficient reliable information about the clinical effects of myrrh for this purpose.
• Common cold. Although there has been interest in using oral myrrh for the common cold, there is insufficient reliable information about the clinical effects of myrrh for this purpose.
• Cough. Although there has been interest in using oral myrrh for cough, there is insufficient reliable information about the clinical effects of myrrh for this purpose.
• Crohn disease. Oral myrrh has only been evaluated in combination with other ingredients, its effect when used alone is unclear. Details: Observational research over a period of 24-28 days in a small group of patients with active inflammatory bowel disease (50% ulcerative colitis and 50% Crohn disease) has found that taking a specific combination product containing myrrh 100 mg, coffee charcoal 50 mg, and chamomile extract 70 mg per tablet (MYRRHINIL-INTEST, Repha GmbH) results in symptom resolution in 16-26 days. The probability of being free of symptoms did not differ between patients using other treatments, the myrrh combination product alone, or a combination of the myrrh product with other treatments. Overall efficacy was rated as good to very good by patients and physicians (104593). The validity of these findings is limited by the observational nature of the study. Also, it is unclear if these findings are due to myrrh, other ingredients, or the combination.
• Dental peri-implantitis. It is unclear if rinsing with myrrh mouthwash solution is effective for the prevention of dental peri-implantitis. Details: A small clinical study in adults undergoing dental implant placement shows that rinsing with myrrh 1% mouthwash solution twice daily for 2 weeks leads to similar rates of postoperative bleeding, pain, redness, and swelling when compared with chlorhexidine 0.12% mouthwash (111114).
• Diarrhea. Oral myrrh has only been evaluated in combination with other ingredients, its effect when used alone is unclear. Details: Observational research over a period of 7-14 days in a group of patients with active diarrhea related to an acute inflammatory disorder has found that taking a specific combination product containing myrrh 100 mg, coffee charcoal 50 mg, and chamomile extract 70 mg per tablet (MYRRHINIL-INTEST, Repha GmbH), alone or in combination with other therapies, improves overall symptoms of diarrhea. The median time to symptom resolution was 4 days. The probability of symptom resolution with use of the myrrh combination product was similar to that observed when other treatments were used. Overall efficacy was rated as good to very good by patients and physicians (104593). The validity of these findings is limited by the observational nature of the study. Also, it is unclear if these findings are due to myrrh, other ingredients, or the combination.
• Fasciolosis. It is unclear if oral myrrh extract is beneficial in patients with fasciolosis. Details: A small clinical study in adults and children with fasciolosis shows that taking a specific myrrh extract (Mirazid, Pharco Pharmaceuticals) 600 mg daily for 6 days leads to a cure rate of about 94% at 3 months. However, the lack of standardized stool sample evaluation and absence of a control group limit the validity of this finding (95543). Furthermore, another small study in adults and children with fasciolosis shows that taking this same product, 600 mg daily for 6 days, leads to a 0% cure rate at both 1 and 2 months (95545).
• Gingivitis. Although there has been interest in using topical myrrh for gingivitis, there is insufficient reliable information about the clinical effects of myrrh for this purpose.
• Herniated disc. Oral myrrh has only been evaluated in combination with other ingredients; its effect when used alone is unclear. Details: A small observational study in adults with acute lumbosacral radiculopathy secondary to lumbar disc herniation suggests that taking a combination supplement containing myrrh 100 mg, alpha-lipoic acid 404 mg, and palmitoylethanolamide (PEA) 306 mg (Tiobec Dol, Uriach Italy Srl) twice daily for 4 weeks, along with steroids and as needed opioids, is associated with reduced pain and disability and improved physical but not mental health as it pertains to quality of life when compared with steroids and as needed opioids alone (111711). However, it is unclear if these effects are due to alpha-lipoic acid, other ingredients, or the combination.
• Intestinal parasite infection. It is unclear if oral myrrh extract is beneficial in children with intestinal parasite infections. Details: A small clinical study in immunocompetent children shows that taking a specific myrrh extract (Mirazid, Pharco Pharmaceuticals) 10 mg/kg daily in combination with paromomycin 500 mg four times daily for 2 weeks improves symptoms such as abdominal pain, diarrhea, nausea, and vomiting when compared with paromomycin or myrrh extract alone. However, no differences in oocyst elimination were observed across groups (95546).
• Irritable bowel syndrome (IBS). Oral myrrh has only been evaluated in combination with other ingredients, its effect when used alone is unclear. Details: Observational research over a period of 24-28 days in a group of patients with IBS has found that taking a specific combination product containing myrrh 100 mg, coffee charcoal 50 mg, and chamomile extract 70 mg per tablet (MYRRHINIL-INTEST, Repha GmbH), alone or in combination with other therapies, improves overall symptoms of diarrhea. The probability of being free of symptoms did not differ between patients using other treatments or when the myrrh combination product was used in combination with other treatments. Overall efficacy was rated as good to very good by patients and physicians (104593). The validity of these findings is limited by the observational nature of the study. Also, it is unclear if these findings are due to myrrh, other ingredients, or the combination.
• Miscarriage. It is unclear if oral myrrh is beneficial in patients with incomplete miscarriage. Details: A small clinical study in adults with incomplete miscarriage (incomplete abortion) shows that taking myrrh 500 mg three times a day for 2 weeks increases the proportion of patients with successful complete abortion, defined as no retained products of conception, to 83%, compared to only 54% of those taking placebo (104840).
• Muscle cramps. Although there has been interest in using oral myrrh for muscle cramps, there is insufficient reliable information about the clinical effects of myrrh for this purpose.
• Oral mucositis. Although there has been interest in using topical myrrh for oral mucositis, there is insufficient reliable information about the clinical effects of myrrh for this purpose.
• Pain (acute). It is unclear if oral myrrh extract is beneficial in patients with acute pain. Details: A small clinical study shows that taking a specific, standardized myrrh extract (MyrLiq, Biosfered S.r.l.) 200-400 mg daily for 20 days can improve various types of acute pain, including headache, fever-associated pain, joint or muscle pain, lower back pain, and menstrual cramps, when compared with placebo (98224).
• Pain (chronic). It is unclear if oral myrrh extract is beneficial in patients with chronic pain. Details: A small clinical study shows that taking a specific, standardized myrrh extract (MyrLiq, Biosfered S.r.l.) 200-400 mg daily for 20 days can improve various types of chronic pain, including joint or muscle pain and lower back pain, when compared with placebo (98224).
• Peptic ulcers. Although there has been interest in using oral myrrh for peptic ulcers, there is insufficient reliable information about the clinical effects of myrrh for this purpose.
• Sciatica. Oral myrrh has only been evaluated in combination with other ingredients, its effect when used alone is unclear. Details: Observational research in patients with sciatic pain due to herniated discs has found that taking a combination of myrrh extract 200 mg, alpha-lipoic acid 800 mg, and palmitoylethanolamide 600 mg daily for 20 days along with 3 sessions of oxygen-ozone therapy over 30 days is associated with slight improvements in pain when compared with oxygen-ozone therapy alone (111113). The validity of these findings is limited by the observational nature of the study. Additionally, it is unclear if these findings are due to myrrh, other ingredients, or the combination.
• Tooth extraction. It is unclear if rinsing with myrrh extract solution is beneficial in patients undergoing tooth extraction. Details: A small clinical study in healthy, non-smoking adults shows that using a mouthwash containing myrrh extract 0.5% twice daily for 7 days following simple tooth extraction decreases the socket size in 90% of patients compared with 40% in the control group. Swelling and tenderness also decreased when compared with control (105846).
• Trichomoniasis. It is unclear if oral myrrh extract is beneficial in patients with trichomoniasis. Details: A small clinical study in patients with resistant Trichomonas vaginalis shows that taking a specific myrrh extract (Mirazid, Pharco Pharmaceuticals) 600 mg daily for 6-8 days cures infections in most patients. In this small study, 85% (11/13) of patients who did not respond to combination therapy with metronidazole and tinidazole were cured after receiving this myrrh extract (93652). A lack of control group limits the validity of these findings.
• Ulcerative colitis. Oral myrrh has only been evaluated in combination with other ingredients, its effect when used alone is unclear. Details: A small clinical study in patients with ulcerative colitis shows that taking a specific combination product containing myrrh 100 mg, chamomile extract 70 mg, and coffee charcoal 50 mg per tablet (MYRRHINIL-INTEST, Repha GmbH), four tablets three times daily for 12 months, is non-inferior to mesalamine therapy for maintaining remission (93653). In addition, observational research over a period of 24-28 days in a small group of patients with active inflammatory bowel disease (50% ulcerative colitis and 50% Crohn disease) has found that taking this same product results in symptom resolution in 16-26 days. The probability of being free of symptoms did not differ between patients using other treatments, the myrrh combination product alone, or the myrrh combination product with other treatments. Overall efficacy was rated as good to very good by physicians (104593). It is unclear if these findings are due to myrrh, other ingredients, or the combination.
• Urinary tract infections (UTIs). Oral myrrh has only been evaluated in combination with other ingredients, its effect when used alone is unclear. Details: A small clinical study in patients with at least 2 recurrent UTIs in the past 6 months or more than 3 UTIs in the past year shows that taking a combination of myrrh, hibiscus, and vegetable proteases (Aviur Retard ) for 6 months might reduce the risk of UTI recurrence. A UTI episode was not reported by 49% of females over the 6-month period, with an additional 35% reporting fewer than 2 UTIs (101115). The validity of these findings is limited by the lack of comparator group. Additionally, it unclear if this benefit is due to myrrh, other ingredients, or the combination.
• Wound healing. It is unclear if topical myrrh extract is beneficial for wound healing. Details: Two small clinical studies in patients requiring episiotomy during childbirth shows that using myrrh 1:5 tincture 10 mL or myrrh extract 20 mL, diluted in 5 L of water as a sitz bath, twice daily for 7 days, modestly improves ecchymosis, discharge, and wound healing scores when compared with either placebo, frankincense extract 20 mL, or betadine 10% solution 20 mL (104838,104839). It is unclear if these modest effects are clinically relevant. More evidence is needed to rate myrrh for these uses.

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LIKELY SAFE ...when consumed in amounts commonly found in food. Myrrh is approved for use in foods as a flavoring agent in the US (11).

POSSIBLY SAFE ...when used orally and appropriately in medicinal amounts, short-term. Myrrh 400 mg three times daily has been safely used for up to 12 months (93653,104593). Myrrh 500 mg three times daily has been used with apparent safety for 2 weeks (104840). ...when used topically and appropriately (2,4,5,11,18). As a diluted bath, myrrh has been used with apparent safety for up to 7 days (104838,104839).

POSSIBLY UNSAFE ...when used orally in excessive doses. Myrrh may cause kidney irritation and diarrhea when used in doses of 2-4 grams (12).

PREGNANCY: LIKELY UNSAFE
when used orally. Myrrh stimulates uterine tone and blood flow and may have an abortifacient effect (4,12,19,93645). There is insufficient reliable information available about the safety of the topical use of myrrh during pregnancy.

LACTATION:
Insufficient reliable information available; avoid using.

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ANTIDIABETES DRUGS Interaction Rating = Moderate Be cautious with this combination. Severity = Moderate •  Occurrence = Possible •  Level of Evidence = D Theoretically, myrrh might increase the risk of hypoglycemia when taken with antidiabetes drugs.  Details In vitro and animal research suggests that myrrh has hypoglycemic effects (4,104841).

WARFARIN (Coumadin) Interaction Rating = Moderate Be cautious with this combination. Severity = High •  Occurrence = Possible •  Level of Evidence = D Theoretically, myrrh might decrease the effectiveness of warfarin.  Details In one case, a patient who was previously stable on warfarin had a significant decline in international normalized ratio (INR) following consumption of an aqueous extract of myrrh (14425).

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General ...Orally, myrrh seems to be well tolerated.
Serious Adverse Effects (Rare):
Orally: Kidney impairment and heart rate changes at high doses.

Cardiovascular ...Orally, myrrh taken at doses of 2-4 grams may cause heart rate changes in some patients (12,19).

Dermatologic ...Topically, myrrh has been reported to cause dermatitis (6).

Gastrointestinal ...Orally, myrrh may cause diarrhea in some patients when taken at doses of 2-4 grams (12,19).

Genitourinary ...Severe lower abdominal pain has been reported in a pregnant woman drinking myrrh resin dissolved in 500 mL of water twice daily as prescribed by a traditional practitioner. This adverse effect resolved one day after discontinuing myrrh. The investigators suggest that this acute abdominal pain was related to myrrh's activity as a uterine stimulant (93645).

Immunologic ...Orally, myrrh has been reported to cause severe allergic skin reactions, with redness, swelling, and itching, in two case reports of individuals using oral traditional Chinese medicines containing myrrh (101114).

Renal ...Orally, myrrh may cause kidney impairment in some patients when taken at doses of 2-4 grams (12,19).

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