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. 1985 Jan;26(1):101–104. doi: 10.1136/gut.26.1.101

Herbal tea induced hepatic veno-occlusive disease: quantification of toxic alkaloid exposure in adults.

C R Kumana, M Ng, H J Lin, W Ko, P C Wu, D Todd
PMCID: PMC1432401  PMID: 3965360

Abstract

Four young Chinese women took daily doses of an unidentified 'Indian' herbal tea as treatment for psoriasis. Three (one of whom died), developed ascites, hepatomegaly and biochemical abnormalities within 19-45 days. The fourth patient discontinued herbal tea after 21 days when she developed a skin rash. Two patients had portal hypertension, while all had liver histology showing features of veno-occlusive disease. Pyrrolizidine alkaloids were identified spectrophotometrically in the brewed tea, and in the chopped leaves of the herbal mixture; the mean dose in the tea prepared for consumption being 12 mg/day of alkaloid base and 18 mg/day of N-oxide. The mean cumulative dose of alkaloids (base + N-oxide) before onset of symptoms (three patients), was estimated to be 18 mg/kg. In the asymptomatic patient with histological liver disease only, the corresponding dose was 15 mg/kg. These cases thus provide some measure of pyrrolizidine alkaloid toxicity in adults.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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