Pau d'Arco
Handroanthus impetiginosus
A South American inner-bark (lapacho) traditionally used for infections and as an immune/antifungal tonic.
Traditional use (indigenous-americas): A South American inner-bark (lapacho) traditionally used for infections and as an immune/antifungal tonic.
A South American inner-bark (lapacho) traditionally used for infections and as an immune/antifungal tonic.
Active constituents are under study; evidence ranges from traditional use to preliminary human trials.
- A South American inner-bark (lapacho) traditionally used for infections and as an immune/antifungal tonic.
Evidence strength: preclinical.
- See the evidence level above
- High doses (lapachol) can cause nausea and bleeding; avoid in pregnancy and with anticoagulants.
- Pregnancy
- Anticoagulants
High doses (lapachol) can cause nausea and bleeding; avoid in pregnancy and with anticoagulants.
May interact with prescription medications — review with a clinician if you take any.
Use caution in pregnancy, breastfeeding, for children, and with chronic disease unless cleared by a clinician.
Choose reputable, tested suppliers; correct identification is essential for wild-harvested plants.