Zantac is used to treat ulcers of the stomach and intestines and prevent them from returning after treatment. It belongs to a group of drugs called histamine-2 blockers. It decreases the amount of acid made in the stomach.
Before taking Zantac
Tell your doctor and pharmacist if you are allergic to ranitidine or any other medications.
Tell your doctor if you have kidney disease.
Tell your doctor if you have liver disease.
Tell your doctor if you are pregnant, plan to become pregnant.
Zantac side effects:
Nervous system
Nervous system side effects have included headache, somnolence, dizziness, vertigo, depression, and dystonia.
Gastrointestinal side effects have included constipation, nausea, vomiting, diarrhea, abdominal pain.
Cardiovascular
Cardiovascular side effects have rarely included tachycardia, bradycardia, atrioventricular block, and premature ventricular beats.
Renal
Renal side effects have included mild elevations in serum creatinine. Rare cases of interstitial nephritis and Fanconi's syndrome have been reported.
Other
Other side effects have included easy bruising or bleeding, swelling in your hands or feet, unusual weakness.
What other information should I know?
If symptoms of heartburn, acid indigestion, or sour stomach last longer than 2 weeks, stop taking Zantac and call your doctor.
