The following are multiple choice questions (with answers) about medical knowledge.   **Question:** A patient is of warfarin therapy. All of the following drugs increase the risk of bleeding with warfarin except?   (A) Isoniazid   (B) Amiodarone   (C) Carbamazepine   (D) Cimetidine
['(C) Carbamazepine <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Isoniazid \n (B) Amiodarone \n (C) Carbamazepine \n (D) Cimetidine <> possible answers', '  A patient is of warfarin therapy. All of the following drugs increase the risk of bleeding with warfarin except? <> context@']