- Prevacid has caused allergic reactions in some patients, so it is important to inform your doctor of any known allergies before taking this drug.
- Prevacid has been reported to cause such reactions as hives, swelling of the facial features or throat, and difficulty in breathing.
- Commonly reported side effects include headache, nausea, diarrhea and constipation.
- Rare, but potential, side effects may include chest pain, fainting, depression, nose bleed, migraine headaches, dry eye and others.
- It is not known whether Prevacid passes into breast milk or if it could harm a nursing baby, so nursing mothers should consult their doctors before taking the drug.











