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Zantac

Last reviewed on RxList: 10/22/2020
Zantac Side Effects Center

Pharmacy Editor: Omudhome Ogbru, PharmD

What Is Zantac?

Zantac (ranitidine hydrochloride) is a H2 (histamine-2) receptor blocker used for treating and preventing ulcers in the duodenum and stomach. Zantac is also used for treating

Generic formulations of Zantac are available.

What Are Side Effects of Zantac?

Side effects of Zantac include:

Dosage for Zantac

Zantac is available in tablet, syrup, and injectable formulations.

What Drugs, Substances, or Supplements Interact with Zantac?

Zantac may interact with triazolam, procainamide, warfarin, riazolam, midazolam, glipizide, ketoconazole, atazanavir, delavirdine, and gefitinib. Tell your doctor all medications and supplements you use.

Zantac During Pregnancy and Breastfeeding

Available evidence suggests that there is little risk when Zantac is used during pregnancy. Zantac passes into breast milk. Consult your doctor before breastfeeding.

Additional Information

Our Zantac Side Effects Drug Center provides a comprehensive view of available drug information on the potential side effects when taking this medication.

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.

SLIDESHOW

Digestive Disorders: Common Misconceptions See Slideshow
Zantac Consumer Information

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Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Stop using ranitidine and call your doctor at once if you have:

  • stomach pain, loss of appetite;
  • dark urine, jaundice (yellowing of the skin or eyes);
  • fever, chills, cough with mucus, chest pain, feeling short of breath;
  • fast or slow heart rate;
  • easy bruising or bleeding; or
  • problems with your skin or hair.

Common side effects may include:

  • nausea, vomiting, stomach pain; or
  • diarrhea, constipation.

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.

Read the entire detailed patient monograph for Zantac (Ranitidine Hcl)

Zantac Professional Information

SIDE EFFECTS

Please see WARNINGS.

Read the entire FDA prescribing information for Zantac (Ranitidine Hcl)

Related Resources for Zantac

Read the Zantac User Reviews »

© Zantac Patient Information is supplied by Cerner Multum, Inc. and Zantac Consumer information is supplied by First Databank, Inc., used under license and subject to their respective copyrights.

SLIDESHOW

Digestive Disorders: Common Misconceptions See Slideshow

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