Q of the Day!

You have a 46 year-old patient come into the office. He complains that he has noticed that his breasts are getting bigger. He currently is being treated for high blood pressure and GERD. Which of the patients’ medications could have caused his gynecomastia?

A) Minoxidil
B) Propranolol
C) Sucralfate
D) Chlorothiazide
E) Cimetidine


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Answer: E) Cimetidine. Cimetidine is an H2 Blocker used to treat GERD and peptic ulcers. Side effects of Cimetidine include gynecomastia (most common), headaches, vertigo, fatigue, and reduced sperm count. The other choices do not cause gynecomastia. Sucralfate is an anti-ulcer agent. Minoxidil, Propranolol, and Chlorothiazide are all drugs used to treat hypertension.