Wrightia antidysenterica
Indian and Southeast Asian tree — Ayurvedic 'kutaja' specifically for dysentery and amoebic infections. Bark contains conessine alkaloid with anti-amoebic activity validated in clinical studies. For diarrhea, IBS, and hemorrhoids in Ayurveda.
Pregnancy. Heart disease (alkaloid content).
Cardiac drugs, antiarrhythmics, sedatives.
Nausea, vomiting at high doses. Conessine can affect heart rhythm.
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