The half-life of the ketorolac tromethamine S-enantiomer was approximately 2.5 hours (SD Â± 0.4) compared with 5 hours (SD Â± 1.7) for the R-enantiomer. In other studies, the half-life for the racemate has been reported to lie within the range of 5 to 6 hours.
Proton pump inhibitors (PPIs) are a group of drugs whose main action is a pronounced and long-lasting reduction of gastric acid production. Within the class of medications, there is no clear evidence that one agent works better than another. They are the most potent inhibitors of acid secretion available.
Proton pump inhibitors (PPIs) greatly reduce the amount of acid produced by the stomach, which in turn reduces irritation of the stomach lining and allows an ulcer to heal. When used with antibiotics, PPIs also help treat Helicobacter pylori (H. pylori) infection.hy It Is Used. Proton pump inhibitors are used to treat ulcers. They provide short-term (2 to 8 weeks) treatment for ulcers in the stomach and in the upper small intestine.