MEFENAMIC ACID Side Effects by Likelihood and Severity

COMMON side effects

If experienced, these tend to have a Severe expression i

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    If experienced, these tend to have a Less Severe expression i

    • nausea
    • intense abdominal pain

    INFREQUENT side effects

    If experienced, these tend to have a Severe expression i

    • anemia
    • inflammation of the skin due to an allergy

    If experienced, these tend to have a Less Severe expression i

    • conditions of excess stomach acid secretion
    • constipation
    • heartburn
    • gas

    RARE side effects

    If experienced, these tend to have a Severe expression i

    • water retention
    • high levels of potassium in the blood
    • a type of blood disorder where the red blood cells burst called hemolytic anemia
    • a type of blood disorder with a decrease in all types of blood cells called pancytopenia
    • low blood counts due to bone marrow failure
    • increased risk of bleeding due to clotting disorder
    • decreased blood platelets
    • very low levels of granulocytes, a type of white blood cell
    • low levels of white blood cells
    • low levels of a type of white blood cell called neutrophils
    • high blood pressure
    • a heart attack
    • a stroke
    • an ulcer in the esophagus
    • a stomach ulcer
    • an ulcer from too much stomach acid
    • stomach or intestinal ulcer
    • inflammation of the liver called hepatitis
    • damage to the liver and inflammation
    • acute inflammation of the pancreas
    • bleeding of the stomach or intestines
    • damage to the kidneys
    • kidney failure
    • decreased kidney function
    • inflammation of the bladder
    • a skin disorder with blistering and peeling skin called toxic epidermal necrolysis
    • a skin disorder with blistering and peeling skin called Stevens-Johnson syndrome
    • skin rash with sloughing
    • visible water retention
    • difficult or painful urination
    • abnormal liver function tests
    • a significant type of allergic reaction called anaphylaxis
    • a rupture in the wall of the stomach or intestine
    • a yellowing of the eyes or skin from buildup of bilirubin called jaundice
    • a type of significant allergic skin reaction called DRESS syndrome

    If experienced, these tend to have a Less Severe expression i

    • heart throbbing or pounding

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    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.