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Treat GERD with Zantac.

Zantac reduces the quantity of acid in your stomach. It is used to treat and prevent ulcers, to treat gastroesophageal reflux disorder (GERD), and to treat conditions associated with excessive acid secretion.

How is Zantac taken?

Zantac can be taken on an empty stomach or with food, but should be swallowed with a full glass of water. It comes as a tablet and syrup that must be administrated orally. In patients with significantly abnormal liver or kidney function, the dosages of Zantac needs to be lowered because Zantac is excreted by the kidney and metabolized by the liver. Do not stop taking Zantac without first talking to your doctor.


If you are pregnant or plan to become pregnant talk to your doctor before taken Zantac. Zantac passes into breast milk. Do not breast-feed while taking Zantac.

You may not be able to take Zantac, or you may require a dosage adjustment or special prescription during treatment if you have kidney disease; liver disease; or porphyria.

Zantac side effects

You should stop taking this medication if you experience any of the following serious side effects:

  • Diarrhea
  • Upset stomach
  • Stomach pain
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