<prompt> Effective ulcer treatment that works by inhibitory action on gastric acid secretion is -LactuloseAluminium hydroxideSucralfateRanitidine  <response>: Ans. is d i.e., Ranitidine o Among the given options, only ranitidine decreases acid secretion.Drugs for peptic ulcer1.Reduce gastric acid secretionH2 antihistaminic - Cimetidine, Ranitidine, Famotidine, Roxatidine.Proton pump inhibitors - Omeprazole, Lansoprazole, Pantoprazole, Rabeprazole, Esomeprazole.Anticholinergics - Pirenzepine, propantheline, oxyphenonium.Prostaglandin analogue - Misoprostol, enprostil, rioprostil.2. Neutralization of gastric acid antacidsSystemic - Sodium bicarbonate, sodium citrate.Non systemic - Magnesium hydroxide, Mag. trisilicate, aluminium hydroxide, Magaldrate, calcium carbonate.3. UlcerprotectivesSucralfate, colloidal bismuth subcitrate, Prostaglandin analogue.4. Anti H. pylori durgsAmoxicillin, clarithromycin, metronidazole, Tinidazole, tetracycline.Note - PG analogue have both antisecretory i HC1 secretion as well as cytoprotective action. 