Zantac Side Effects by Likelihood and Severity

INFREQUENT side effects

If experienced, these tend to have a Less Severe expression

  • Constipation
  • Diarrhea
  • Dizzy
  • Drowsiness
  • Feel Like Throwing Up
  • Head Pain
  • Rash
  • Stomach Cramps
  • Throwing Up

RARE side effects

If experienced, these tend to have a Severe expression

  • Abnormal Heart Rhythm
  • Abnormal Liver Function Tests
  • Acquired Decrease Of All Cells In The Blood
  • Acute Inflammation Of The Pancreas
  • Agitation
  • Atrioventricular Heart Block
  • Blurred Vision
  • Bronchospasm
  • Confused
  • Decreased Blood Platelets
  • Decreased White Blood Cells
  • Deficiency Of Granulocytes A Type Of White Blood Cell
  • Depression
  • Erythema Multiforme
  • Extra Heartbeat
  • Fast Heartbeat
  • Fever
  • Giant Hives
  • Hallucination
  • Hemolytic Anemia
  • Hepatitis
  • Hypersensitivity Drug Reaction
  • Interstitial Nephritis
  • Not Feeling Well
  • Pneumonia
  • Slow Heartbeat
  • Vasculitis
  • Ventricular Premature Beats
  • Yellowing Of Skin Or Eyes From Liver Problems

If experienced, these tend to have a Less Severe expression

  • Chronic Trouble Sleeping
  • Hair Loss
  • Joint Pain
  • Muscle Pain
  • Sensation Of Spinning Or Whirling

Selected from data included with permission and copyrighted by First Databank, Inc. This copyrighted material has been downloaded from a licensed data provider and is not for distribution, except as may be authorized by the applicable terms of use.

CONDITIONS OF USE: The information in this database is intended to supplement, not substitute for, the expertise and judgment of healthcare professionals. The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects, nor should it be construed to indicate that use of a particular drug is safe, appropriate or effective for you or anyone else. A healthcare professional should be consulted before taking any drug, changing any diet or commencing or discontinuing any course of treatment.