Half-life of carbimazole is: (A) 4 hours, (B) 8 hours, (C) 16 hours, (D) 24 hours
Answer is B. Carbimazole has a half-life of 5.3 to 5.4 hours. It is possible that the plasma half-life may also be prolonged by renal or hepatic disease. See section 4.2. Thiamazole crosses the placenta and appears in breast milk. Ref: kd tRIPATHI 8TH ED.