Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
Common side effects may include:
constipation, diarrhea;
nausea, vomiting, gas, indigestion;
itching, rash;
dizziness, drowsiness;
sleep problems (insomnia);
headache; or
back pain.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
 Sucralfate side effects (more detail)
