title: Antacids and theophylline-ranitidine interaction.
mesh_terms: D000863:Antacids / Q000494:pharmacology*; D004347:Drug Interactions; D006801:Humans; D007408:Intestinal Absorption / Q000187:drug effects; D008297:Male; D011899:Ranitidine / Q000494:pharmacology*; D013806:Theophylline / Q000097:blood*
chemical_list: D000863:Antacids; D011899:Ranitidine; D013806:Theophylline