Pharmacology Antimetabolites and Quinolones 837c7950 All of the following drugs can cause gynaecomastia except A Cimetidine B Spironolactone C Digoxin D Sulfonamides High-Yield Explanation Drugs causing gynacomastia S- Spironolactone I- Isoniazid D- Digoxin C- Cimetidine (and Ketoconazole) O- Oestrogens