title: Procainamide reactions.
mesh_terms: D000368:Aged; D000380:Agranulocytosis / Q000139:chemically induced*; D004342:Drug Hypersensitivity / Q000209:etiology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D011342:Procainamide / Q000009:adverse effects*; D012140:Respiratory Tract Diseases / Q000139:chemically induced*
chemical_list: D011342:Procainamide