This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, Subject name: Pharmacology
Vasopressin inhibited by: 
Select and explain. 
A. Alcohol, B. Carbamazepine, C. Clofibrate, D. Chlorpropamide
A: Alcohol
Answer: A: Alcohol 
Explanation: Ref: Goodman & Gillman, The pharmacological basis of therapeutics. 12th edition, Pg No. 708.Explanation:Lithium and Demeclocycline are the other drugs which inhibits the action of vasopressinLithium reduce the V2 receptor mediated stimulation of adenylyl cyclaseIt also increases PTH which is an antagonist of LithiumDemeclocycline decreases the antidiuretic response of vasopressinIndomethacin. Chlorpropamide and Carbamezapine are the drugs which enhances the actions of vasopressin.