Drug-induced thrombotic thrombocytopenic purpura is a rare but deadly reaction to medications like quinine, clopidogrel, and cyclosporine. Learn the warning signs, which drugs cause it, and how to act fast to save a life.
Anticholinergic drugs for overactive bladder can cause dangerous urinary retention, especially in older men. Learn how these medications work, who's at risk, and what safer alternatives exist.
Learn when common medication side effects typically start by drug class - from fast-acting antibiotics to delayed reactions from ACE inhibitors and statins. Use timing to spot real side effects and avoid misdiagnosis.