Question 1

How does Khaya anthotheca work to treat malaria?

Accepted Answer

Khaya anthotheca contains limonoids, particularly khayalactone and anthothecol, which demonstrate antimalarial activity by inhibiting Plasmodium parasite development. These compounds interfere with parasite cell membranes and disrupt essential metabolic processes. Laboratory studies show these limonoids also possess antipyretic and anti-inflammatory properties that help reduce fever symptoms. Evidence level: C (preclinical studies support mechanism; human clinical trials are limited).

Question 2

Can Khaya anthotheca interact with prescription medications?

Accepted Answer

Khaya anthotheca may interact with medications metabolized by the liver, including antimalarial drugs, anticoagulants, and medications requiring precise dosing. The limonoids and alkaloids could potentially affect liver enzyme activity. Patients taking prescription medications should consult a healthcare provider before use, as formal drug interaction studies are lacking. Evidence level: D (theoretical interactions based on constituent properties).

Question 3

What is the correct dosage for Khaya anthotheca bark decoction?

Accepted Answer

The traditional adult dosage is 200ml of bark decoction taken twice daily. To prepare, boil approximately 10-15 grams of dried bark in water for 15-20 minutes. This preparation is used for malaria, fever, and digestive complaints. Dosage should not exceed traditional recommendations without professional guidance. Evidence level: C (based on traditional use; standardized clinical dosing not established).

Question 4

Is Khaya anthotheca safe to take during pregnancy?

Accepted Answer

Khaya anthotheca is unsafe during pregnancy and breastfeeding. The limonoids and alkaloids may stimulate uterine contractions and pose risks to fetal development. Traditional practitioners in East Africa explicitly contraindicate its use in pregnant women. Women of childbearing age should avoid this herb unless using reliable contraception. Evidence level: C (traditional contraindication supported by constituent analysis).

Question 5

What are the traditional medicinal uses of Khaya anthotheca?

Accepted Answer

Khaya anthotheca bark is traditionally used in Uganda and Tanzania for treating malaria, fever, wound healing, diarrhea, and respiratory infections. The bark decoction serves as an antimalarial remedy and wound wash. Traditional healers have used this tree medicinally for generations, though scientific evidence remains preliminary. Evidence level: C (well-documented traditional use with supporting pharmacological studies).

Question 6

What side effects can Khaya anthotheca cause?

Accepted Answer

Common side effects include nausea and mild digestive upset, particularly when taken on an empty stomach. Some individuals report abdominal discomfort or loose stools. People with liver disease should avoid this herb due to potential hepatotoxic effects from concentrated limonoids. Discontinue use if severe gastrointestinal symptoms develop. Evidence level: C (based on traditional use reports and constituent analysis).

Khaya Anthotheca

Sources et citations

Terminalia Macroptera

Waltheria Indica

Ximenia Americana

Résumé

Contexte

Usages traditionnels

Composés actifs

Mécanisme d'action

Preuves cliniques

Sécurité et effets indésirables

Synthèse des preuves

Sources PubMed

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