Propylthiouracil induced severe hepatotoxicity - A case report

Shu Min Kao, Yea Huei K. Yang, Ai Wen Kao

研究成果: Article同行評審

摘要

Propylthiouracil (PTU) is widely used to treat paients with hyperthyroidism. The adverse effects of PTU include fever, rash, transient leukocytopenia, and, rarely, gastrointestinal discomfort, agranulocytosis, dizziness. Elevated transaminases are common in the first two months but are usually transient and asymptomatic. The severe hepatotoxicity is a very rare complication but may be fatal. We presented a 70-year-old woman who was diagnosed right lacunar infarction and thyroid storm in September 2000. Then, PTU 200mg q6h, Lugol's sol'n 5ml q6h, ticlopidine 100mg bid, acetaminophen 500mg q6h and dexamethasone 2mg q6h were administered. About three weeks after commencing PTU, ticlopidine and acetaminophen, she rapidly developed skin rash, yellow skin, fatigue, nausea and vomiting. The laboratory data showed glutamic oxaloacetic transaminase (GOT) 421 IU/L, glutamic pyruvic transaminase (GPT) 342 IU/L, total bilirubin (Bil-T) 10.21 mg/dl and direct bilirubin (Bil-D) 9.18 mg/dl. She admitted again in October, 2000. During admission, the test results of HAV-Ig M \ HBsAg \ Anti-HBsAb \ HCVAb were all negative. The titers of antimitochondrial antibody, antinuclear antibody (ANA) and anti-smooth muscle antibody were 1:20(-), 1:40(-) and 1:20(-). Viral hepatitis, primary biliary cirrhosis and autoimmune disease were ruled out by serological tests. We also ruled out the causal relationship with other concomitant medication ie. ticlopidine and acetaminophen, because the clinical manifestations of adverse drug reaction from those two drugs are different from that of PTU's. In conclusion, PTU-induced hepatotoxicity was favored in this case.

原文English
頁(從 - 到)263-268
頁數6
期刊Journal of Internal Medicine of Taiwan
12
發行號5
出版狀態Published - 2001 十二月 1

All Science Journal Classification (ASJC) codes

  • Internal Medicine

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