Prevacid, whose generic name is lansoprazole, is a proton pump inhibitor. Proton pump inhibitors are drugs used to block or decrease production of acid in the stomach. Prevacid is available as a delayed-release capsule, a delayed-release granule and an oral disintegrating tablet, and is available in 15mg and 30mg strengths. Prevacid is available over the counter as Prevacid 24HR capsules.
Uses
Drugs.com states that Prevacid is used to treat and prevent gastroesophageal reflux disease (GERD), stomach ulcers, duodenal ulcers and Zollinger-Ellison syndrome. GERD is a condition in which stomach acid flows back into the esophagus causing heartburn and irritation of the lining of the esophagus. Zollinger-Ellison syndrome is a condition in which the stomach produces too much stomach acid.
Contraindications
According to Drugs.com, patients allergic to lansoprazole should avoid Prevacid. Signs and symptoms of allergic reactions to Prevacid include difficulties breathing, wheezing, chest tightness, unusual hoarseness, hives, rash, fever, chills, sore throat and swelling of the face, lips and tongue.
Side Effects
Drugs.com states that common side effects of Prevacid include stomach pain, diarrhea, headache, nausea, constipation, gas, dizziness and heartburn. Adverse side effects of Prevacid include inflammation of the liver, inflammation of the pancreas, growth of cancerous stomach polyps and growth of fungus in the esophagus.
Dosage
According to the NIH, the Prevacid capsule is taken once a day before meals. The capsule should be swallowed whole with a full glass of water. Prevacid should not be chewed or crushed, because the drug is designed to be released slowly in the body. Prevacid may be taken twice a day or three times a day together with antibiotics in order to eliminate helicobacter pylori. Prevacid 24HR should be taken only once every 24 hours for 14 days. Patients should allow four months to pass before starting another 14-day treatment with Prevacid 24HR.
Warning
The FDA warns that long-term use of high doses of Prevacid may cause bone fractures of the hip, wrist and spine. The risk of fractures is increased in patients over 50 years of age. Patients with osteoporosis should avoid Prevacid. The FDA recommends that doctors prescribe lower doses of Prevacid and for a shorter duration in order to avoid bone fractures.
