Mefenamic Acid Side Effects by Likelihood and Severity

COMMON side effects


If experienced, these tend to have a Severe expression

  • Diarrhea

If experienced, these tend to have a Less Severe expression

  • Feel Like Throwing Up
  • Stomach Cramps

INFREQUENT side effects


If experienced, these tend to have a Severe expression

  • Anemia
  • Inflammation Of Skin Caused By An Allergy
  • Rash

If experienced, these tend to have a Less Severe expression

  • Conditions Of Excess Stomach Acid Secretion
  • Constipation
  • Gas
  • Heartburn

RARE side effects


If experienced, these tend to have a Severe expression

  • A Rupture In The Wall Of The Stomach Or Intestine
  • Abnormal Liver Function Tests
  • Acquired Decrease Of All Cells In The Blood
  • Acute Inflammation Of The Pancreas
  • Bleeding Of The Stomach Or Intestines
  • Decreased Blood Platelets
  • Decreased Neutrophils A Type Of White Blood Cell
  • Decreased White Blood Cells
  • Deficiency Of Granulocytes A Type Of White Blood Cell
  • Difficult Or Painful Urination
  • Heart Attack
  • Hemolytic Anemia
  • Hepatitis
  • Hepatitis Caused By Drugs
  • High Amount Of Potassium In The Blood
  • High Blood Pressure
  • Increased Risk Of Bleeding Due To Clotting Disorder
  • Inflammation Of The Bladder
  • Kidney Damage
  • Kidney Disease With Reduction In Kidney Function
  • Kidney Failure
  • Life Threatening Allergic Reaction
  • Low Blood Counts Due To Bone Marrow Failure
  • Skin Rash With Sloughing
  • Stevens-Johnson Syndrome
  • Stomach Or Intestinal Ulcer
  • Stomach Ulcer
  • Stroke
  • Toxic Epidermal Necrolysis
  • Ulcer From Stomach Acid
  • Ulcers Of Esophagus
  • Visible Water Retention
  • Water Retention
  • Yellowing Of Skin Or Eyes From Liver Problems

If experienced, these tend to have a Less Severe expression

  • Heart Throbbing Or Pounding

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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.