Question 1

How does Melia azedarach work against parasites?

Accepted Answer

Melia azedarach contains bioactive limonoids, including azadirachtin and toosendanin, which exhibit antiparasitic activity through multiple mechanisms. These compounds disrupt parasite feeding, growth, and reproduction by interfering with hormonal regulation and metabolic processes in target organisms. Azadirachtin inhibits feeding and development in various parasites, while toosendanin affects neuromuscular function. Evidence level C indicates these mechanisms are supported primarily by in vitro and animal studies, with limited human clinical data available.

Question 2

Does Melia azedarach interact with any medications?

Accepted Answer

Melia azedarach may interact with medications metabolized by the liver due to its hepatotoxic potential. Concurrent use with hepatotoxic drugs, such as high-dose acetaminophen, certain antibiotics, or statins, may increase the risk of liver damage. The herb may also potentiate hypoglycemic effects when combined with antidiabetic medications. Patients taking immunosuppressants or anticoagulants should exercise caution. Evidence level C limits definitive interaction data. Consult a healthcare provider before combining with prescription medications.

Question 3

What is the recommended dosage for Melia azedarach bark tea?

Accepted Answer

The traditional adult dosage for Melia azedarach is 1-2 grams of dried bark prepared as a tea, used for short-term administration only. Treatment should not exceed several consecutive days due to cumulative toxicity risks. Higher doses significantly increase the risk of nausea and liver damage. The berries are highly toxic and should never be consumed internally under any circumstances. Evidence level C indicates dosage recommendations are based primarily on traditional use rather than standardized clinical trials.

Question 4

Is Melia azedarach safe to take during pregnancy?

Accepted Answer

Melia azedarach is contraindicated during pregnancy and should be strictly avoided. The plant contains compounds that may stimulate uterine contractions and pose significant risks to fetal development. The berries are particularly toxic and have been associated with severe and sometimes fatal poisonings. The herb's hepatotoxic potential poses additional risks during pregnancy when liver metabolism is already stressed. Breastfeeding women should also avoid this herb. Evidence level C supports these safety concerns based on traditional knowledge and animal studies.

Question 5

What are the side effects of Melia azedarach?

Accepted Answer

Common side effects of Melia azedarach include nausea, vomiting, and gastrointestinal discomfort, particularly at higher doses. More serious adverse effects include liver toxicity, which may manifest as elevated liver enzymes, jaundice, or abdominal pain. The berries are highly toxic and have caused fatal poisonings, especially in children. Neurological symptoms including dizziness, headache, and respiratory distress have been reported with overdose. Evidence level C indicates these adverse effects are documented through case reports and traditional knowledge rather than controlled clinical studies.

Question 6

What is Melia azedarach used for in traditional medicine?

Accepted Answer

Melia azedarach has been used traditionally across tropical regions as an antiparasitic agent for intestinal worms and external parasites. Folk medicine applications include treating skin conditions such as scabies, eczema, and fungal infections through topical preparations. The plant has also been employed for antiviral and antimicrobial purposes. Additional traditional uses include fever reduction and treatment of inflammatory conditions. Evidence level C indicates these applications are supported by preliminary pharmacological studies and ethnobotanical records, though robust human clinical trials remain limited.

Melia azedarach

Sources & Citations

Balsam of Peru

Liquidambar orientalis

Angelica dahurica

Summary

Background

Traditional uses

Active compounds

Mechanism of action

Clinical evidence

Safety & adverse effects

Evidence summary

PubMed sources

Government sources