title: Procainamide-cimetidine interaction: a potential toxic interaction in the elderly.
mesh_terms: D000368:Aged; D002318:Cardiovascular Diseases / Q000188:drug therapy; D002927:Cimetidine / Q000009:adverse effects / Q000494:pharmacology*; D004347:Drug Interactions; D004359:Drug Therapy, Combination; D006801:Humans; D008297:Male; D011342:Procainamide / Q000009:adverse effects / Q000494:pharmacology*; D013276:Stomach Ulcer / Q000188:drug therapy
chemical_list: D002927:Cimetidine; D011342:Procainamide