You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Which of the following is not an H2 blocker - and explain in detail?
Ans. is 'b' i.e., Oxyphenonium Drugs for peptic ulcer1. Reduce gastric acid secretiona) H2 antihistaminic - Cimetidine, Ranitidine, Famotidine, Roxatidine.b) Proton pump inhibitors - Omeprazole, Lansoprazole, Pantoprazole, Rabeprazole, Esomeprazole.c) Anticholinergics - Pirenzepine, propantheline, oxyphenonium,d) Prostaglandin analogue - Misoprostol, enprostil, rioprostil.2. Neutralization of gastric acid (antacids)a) Systemic - Sodium bicarbonate, sodium citrate.b) Non systemic - Magnesium hydroxide, Mag. trisilicate, aluminium hydroxide, Magaldrate, calcium carbonate.3. Ulcer protectives Sucralfate, colloidal bismuth subcitrate, Prostaglandin analogue.4. Anti H. pylori durgs Amoxicillin, clarithromycin, metronidazole, Tinidazole, tetracycline.Note - PG analogue have both antisecretory (| HC1 secretion) as well as cytoprotective action.