Long term effects with Pepcid are unlikely. Always remember you can safely take Mylanta or Tums for any breakthrough symptoms quite safely - having a few tums in your poscket, and sucking one when symptoms occur can be a real life saver. Proton-pump inhibitors relieve acid reflux, but people who take them long-term may be more susceptible to certain bacterial infections, pneumonia, and bone… Zantac can be accompanied by a number of serious, but rare, side effects. Because of their rarity, they are not well studied and it is unclear whether they occur with long-term or short-term use. Common Side Effects of Zantac. You should tell your doctor if any of the following side effects are severe or don't go away: Constipation, diarrhea, nausea, vomiting, or stomach pain Zegerid is used to treat ulcers, GERD and conditions with excessive stomach acid production. Learn about side effects, interactions and indications. Discover the problems that may arise with chronic use of proton pump inhibitors and other heartburn medications Ranitidine is a prescription drug used to treat ulcers of the stomach and intestines. Learn about side effects, drug interactions, dosages, warnings, and more. Prevacid (lansoprazole) is a proton pump inhibitor (PPI) used to treat and prevent stomach and intestinal ulcers, erosive esophagitis (damage to the esophagus from stomach acid), and other conditions involving excessive stomach acid such as Zollinger-Ellison syndrome. Information and articles on creatine monohydrate, how it works, creatine side effects, creatine ethyl ester. More sections will be added soon for teen bodybuilding info and pages for other bodybuilding supplements. It appears that basal-, nocturnal-, and betazole-stimulated secretions are most sensitive to inhibition by Zantac, responding almost completely to doses of 100 mg or less, while pentagastrin- and food‑stimulated secretions are more difficult to suppress.