Ranitidine is used to treat ulcers of the stomach and intestines and prevent them from coming back after they have healed. This medication is also used to treat certain stomach and throat (esophagus) problems
Zantac granules and effervescent tablets must be dissolved in water before you take them. Avoid drinking alcohol. It can increase the risk of damage to your stomach.
Stop using this medicine and get emergency medical help if you have any of these signs of an allergic reaction to Zantac: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
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