What side effects does Nexium Have?
Nexium side effects Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Other less serious side effects are more likely to occur, such as: headache; diarrhea; nausea, stomach pain, gas, constipation; or dry mouth. Side effects other than those listed here may also occur. Talk to your doctor about any side effect that seems unusual or that is especially bothersome.
