A patient on warfarin was given phenobarbitone, The result would have been -: (A) Increase the dose of warfarin, (B) Decrease the dose of warfarin, (C) Increase the dose of phenobarbitone, (D) Decerease the dose of phenobarbitone
Answer is A. Ans. is 'a' i.e., Increase the dose of warfarin