Prevacid is the brand name of the drug lansoprazole. According to Drugs.com, Prevacid reduces the amount of acid produced in the stomach. It is used to treat and prevent damage caused by acid reflux. Such damage includes ulcers and erosion. The reduction of acid production can also decrease the flow of acid back up the esophagus. As with any medication, Prevacid carries a risk of side effects.
Less Serious Side Effects
eMedTV.com reports that Prevacid is a well-tolerated drug with few side effects. The reduction of acid through the use of Prevacid may result in side effects considered to be mild unless they become persistent or overly bothersome. Drugs.com reports less serious side effects including headache, nausea, abdominal pain, diarrhea or constipation.
Rare Side Effects
eMedTV.com reports that serious side effects are not common with Prevacid use. Some effects may be rare, occurirng in fewer than 1 percent of patients. eMedTV.com suggests possible effects including chest pain, stroke, elevated blood pressure, fainting, migraine, heart attack, gout, weight gain, weight loss, insomnia, asthma, acne, hair loss, unexplained rash, dry eyes, erectile dysfunction or urinary tract infection. They suggest that these effects are so rare that they may not be due to the medication itself. eMedTV.com recommends consulting a doctor if any of these rare side effects occur.
Allergic Reaction
An allergic reaction can be a serious health concern. Drugs.com warns users to seek emergency medical attention for signs of allergy including hives, itching of the skin, trouble breathing, swelling of the face, swelling of the lips, swelling of the tongue or swelling of the throat.
