This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
Chronic cough is a side effect of? 
Select and explain. 
A. Captopril, B. Domperidone, C. Cimetidine, D. Celecoxib
A: Captopril
Answer: A: Captopril 
Explanation: Ans. is `a' i.e., Captopril Captopril is an ACE inhibitor and chronic cough is a known side effect of ACE inhibitors. Adverse effects of ACE inhibitor Hypotension Cough Angioedma Teratogenecity Acute renal failure Hyperkalemia Rashes, Uicaria Dysguesia Gfanulocytopenia Dysguesia is reversible loss or alteration of taste sensations. Cough and angioedema are due to elevated bradykinin, caused by inhibition of bradykinin/substance P metabolism in lungs.