Methimazole Side Effects by Likelihood and Severity

COMMON side effects


If experienced, these tend to have a Severe expression

  • A Skin Rash
  • Fever
  • Itching
  • Low Levels Of White Blood Cells

INFREQUENT side effects


If experienced, these tend to have a Severe expression

  • A Painful Condition That Affects The Nerves In The Legs And Arms Called Peripheral Neuropathy
  • Very Low Levels Of Granulocytes, A Type Of White Blood Cell

If experienced, these tend to have a Less Severe expression

  • Dizziness
  • Nausea
  • Taste Impairment
  • Vomiting

RARE side effects


If experienced, these tend to have a Severe expression

  • A Blockage Of The Bile Duct That Resulting In High Bilirubin Levels
  • Acute Inflammation Of The Pancreas
  • Decreased Blood Platelets
  • Inflammation Of The Liver Called Hepatitis
  • Inflammation Of The Parotid Gland
  • Kidney Inflammation
  • Low Blood Counts Due To Bone Marrow Failure
  • Low Levels Of Granulocytes, A Type Of White Blood Cell
  • Swollen Lymph Nodes

If experienced, these tend to have a Less Severe expression

  • A Condition With Symptoms That Resemble Lupus
  • A Yellowing Of The Eyes Or Skin From Buildup Of Bilirubin Called Jaundice
  • Darkening Of The Skin
  • Numbness And Tingling
  • Sensation Of Spinning Or Whirling
  • Visible Water Retention

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.