Each 1 mL serving contains: Pau d'Arco bark 1:4 extract (tabebuia impetiginosa, equivalent 250 mg herb). Other Ingredients: Water, Ethanol.
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Below is general information about the effectiveness of the known ingredients contained in the product Pau D'Arco Herbal Liquids. Some ingredients may not be listed. This information does NOT represent a recommendation for or a test of this specific product as a whole.
INSUFFICIENT RELIABLE EVIDENCE to RATE
Below is general information about the safety of the known ingredients contained in the product Pau D'Arco Herbal Liquids. Some ingredients may not be listed. This information does NOT represent a recommendation for or a test of this specific product as a whole.
POSSIBLY UNSAFE ...when used orally. The safety of pau d'arco in typical doses is unclear. Serious toxicities have been found with high doses of the lapachol constituent (91939). In patients with cancer, doses of lapachol above 1.5 grams daily were associated with significant gastrointestinal toxicities and an increased risk of bleeding (91939). However, in patients with dysmenorrhea, doses of pau d'arco 1050 mg plus rutin 75 mg daily for up to 8 weeks did not lead to serious adverse effects (114012). There is insufficient reliable information available about the safety of pau d'arco when used topically.
PREGNANCY: POSSIBLY UNSAFE
when used orally in typical doses.
Animal studies have found that lapachol, a constituent of pau d'arco, has teratogenic and abortifacient effects (68314,68315); avoid using. There is insufficient reliable information available about the safety of pau d'arco when used topically in pregnancy; avoid using.
LACTATION:
Insufficient reliable information available; avoid using.
Below is general information about the interactions of the known ingredients contained in the product Pau D'Arco Herbal Liquids. Some ingredients may not be listed. This information does NOT represent a recommendation for or a test of this specific product as a whole.
Theoretically, pau d'arco might increase the risk of bleeding when taken with anticoagulant or antiplatelet drugs.
 Details
In vitro research shows that pau d'arco reduces platelet aggregation and may interfere with vitamin K (18057,68319). One clinical study shows that taking the lapachol constituent of pau d'arco in doses above 1.5 grams daily increases the risk of bleeding (91939). The effects of whole pau d'arco or pau d'arco extract in humans are unclear.
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Below is general information about the adverse effects of the known ingredients contained in the product Pau D'Arco Herbal Liquids. Some ingredients may not be listed. This information does NOT represent a recommendation for or a test of this specific product as a whole.
General ...A thorough evaluation of safety outcomes with pau d'arco has not been conducted. However, taking the lapachol constituent of pau d'arco in doses above 1.5 grams daily is regarded as unsafe.
Gastrointestinal ...Orally, the lapachol constituent of pau d'arco, taken in doses above 1. 5 grams daily, may cause severe nausea, vomiting, and diarrhea (91939).
Hematologic ...Orally, the lapachol constituent of pau d'arco, taken in doses above 1. 5 grams daily, may cause anemia and increased risk of bleeding (91939).
Immunologic ...Occupational exposure to sawdust from the pau d'arco tree and related species may cause asthma and dermatitis. The fresh sawdust can produce erythema and papules which progress to a severe weeping and crusting dermatitis (92184).
Neurologic/CNS ...Orally, the lapachol constituent of pau d'arco, taken in doses above 1. 5 grams daily, may cause dizziness (91939).
