title: Cimetidine and antacids.
mesh_terms: D000863:Antacids / Q000627:therapeutic use*; D002927:Cimetidine / Q000627:therapeutic use*; D006146:Guanidines / Q000627:therapeutic use*; D006801:Humans; D010438:Peptic Ulcer Hemorrhage / Q000188:drug therapy
chemical_list: D000863:Antacids; D006146:Guanidines; D002927:Cimetidine