Plasma half life of carbimazole is:: (A) 4 hours, (B) 8 hours, (C) 16 hours, (D) 24 hours
Answer is B. Plasma half life of carbimazole is 6-10 hours. Half life of PTU is 1.5 hrs- very sho acting (REF.Essential of medical pharmacology K D TRIPATHI 6 Edition, Page No - 250)