Mercaptopurine Side Effects by Likelihood and Severity

COMMON side effects


If experienced, these tend to have a Severe expression

  • Anemia
  • Blockage Of Normal Bile Flow
  • Decreased Blood Platelets
  • Decreased Neutrophils A Type Of White Blood Cell
  • Decreased White Blood Cells
  • Infection
  • Reduction In The Body's Resistance To Infection
  • Yellowing Of Skin Or Eyes From Liver Problems

If experienced, these tend to have a Less Severe expression

  • Diarrhea
  • Loss Of Appetite
  • Not Feeling Well
  • Rash
  • Throwing Up

INFREQUENT side effects


If experienced, these tend to have a Severe expression

  • Abnormal Liver Function Tests
  • High Amount Of Bilirubin In The Blood
  • Increased Uric Acid Due To Cancer Chemotherapy
  • Kidney Disease Caused By Increased Uric Acid In The Body
  • Painful, Red Or Swollen Mouth
  • Stomach Or Intestinal Ulcer

If experienced, these tend to have a Less Severe expression

  • Feel Like Throwing Up
  • Feeling Weak
  • Hair Loss
  • Hives
  • Low Sperm Count
  • Skin Darkening

RARE side effects


If experienced, these tend to have a Severe expression

  • Abnormally Increased Pressure In The Veins Of The Liver
  • Decreased Number Of Lymphocytes In The Blood
  • Hepatosplenic T-Cell Lymphoma
  • Liver Tissue Death
  • Lung Fibrosis
  • Overactive Macrophage Immune Cells
  • Pancreatitis

If experienced, these tend to have a Less Severe expression

  • Drug Or Chemical-Induced Sensitivity To Sunlight
  • Fever Caused By Administration Of A Drug
  • Low Blood Sugar

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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.