Because Zantac has been withdrawn from the market in the U.S., some of the contents of this leaflet are intended for historical purposes only.
Take Zantac exactly as directed on the label, or as prescribed by your doctor.
Measure liquid medicine carefully. Use the dosing syringe provided, or use a medicine dose-measuring device (not a kitchen spoon).
It may take up to 8 weeks before your ulcer heals. Keep using your medications as directed and call your doctor if your symptoms do not improve after 6 weeks.
Your doctor may recommend an antacid to help relieve pain. Carefully follow your doctor's directions about the type of antacid to use, and when to use it.
Store at room temperature away from moisture, heat, and light.
 Detailed Zantac dosage information
What happens if I miss a dose?
Take the medicine as soon as you can, but skip the missed dose if it is almost time for your next dose. Do not take two doses at one time.
What happens if I overdose?
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.
Overdose symptoms may include lack of coordination, feeling light-headed, or fainting.
