title: Severe granulocytopenia with cimetidine and phenytoin.
mesh_terms: D000293:Adolescent; D000380:Agranulocytosis / Q000139:chemically induced*; D002927:Cimetidine / Q000009:adverse effects*; D004347:Drug Interactions; D006146:Guanidines / Q000009:adverse effects*; D006801:Humans; D008297:Male; D010672:Phenytoin / Q000009:adverse effects*
chemical_list: D006146:Guanidines; D010672:Phenytoin; D002927:Cimetidine