Prevacid ® 24HR is a proton pump inhibitor, or PPI for short, which prevents the production of acid that causes frequent heartburn. Just one pill for 24-Hour frequent heartburn relief! Prevacid ® 24HR keeps heartburn at bay and off your mind, so you can fully enjoy good meals and good times. Information on lansoprazole (Heartburn Relief 24 Hour, Heartburn Treatment 24 Hour, Prevacid 24), a drug used to treat ulcers of the stomach and duodenum, gastroesophageal reflux disease (GERD) and Zollinger-Ellison Syndrome. Side effects, drug interactions, dosing, storage, and pregnancy and breastfeeding safety is included. Prevacid FDA Alerts. The FDA Alert(s) below may be specifically about Prevacid or relate to a group or class of drugs which include Prevacid (lansoprazole). When used in accordance with its OTC labeling, Prevacid®24HR has a well-established safety profile, which is monitored as part of GSK Consumer Healthcare's Post-Marketing Drug Safety Surveillance Program*. Prevacid is the brand name for lansoprazole, a drug used to treat ulcers, gastroesophageal reflux disease , and Zollinger-Ellison syndrome. The drug is also available over-the-counter (OTC) at a. Prevacid is available in prescription and over-the-counter (OTC) versions. Recent studies link Prevacid to several serious health risks, especially when taken long-term. Some of the risks associated with Prevacid can result in serious injury or death. Positive 10,157. Prevacid is that it not only helps your gerd but keeps it healthy. In other words, there are no side effects, no possible long term damage to anything and no reason to go off of it.that is one safe drug I dont have to worry about Read more positive discussions Prevacid OTC should be taken in the morning before you eat breakfast. Read and carefully follow any Instructions for Use provided with your medicine. Ask your doctor or pharmacist if you do not understand these instructions. Prevacid® OTC, sometimes called Prevacid® 24HR, is the non-prescription form of the proton pump inhibitor (PPI) Prevacid®. The generic name for the drug is Lansoprazole. It most commonly comes in 15 mg delayed release tablet that is taken once daily. Learn about Prevacid (Lansoprazole) may treat, uses, dosage, side effects, drug interactions, warnings, patient labeling, reviews, and related medications.