MODAFINIL 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

    • a stuffy and runny nose
    • indigestion
    • backache
    • dizziness
    • difficulty sleeping
    • headache
    • nausea
    • diarrhea
    • nervousness
    • anxious feelings

    INFREQUENT side effects

    If experienced, these tend to have a Severe expression i

    • confusion
    • mood changes
    • depression
    • lazy eye
    • a change in vision
    • high blood pressure
    • abnormal heart rhythm
    • low blood pressure
    • throat irritation
    • memory loss
    • fever
    • chills
    • a type of abnormal movement disorder called dyskinesia
    • chest pain
    • an inability to completely empty the bladder
    • high blood sugar
    • fast heartbeat

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

    • widening of blood vessels
    • dry mouth
    • constipation
    • an abnormal increase in muscle tone
    • flu-like symptoms
    • muscle tremors
    • decreased appetite
    • excessive thirst
    • heart throbbing or pounding
    • vomiting
    • a feeling of pins and needles on skin

    RARE side effects

    If experienced, these tend to have a Severe expression i

    • decreased blood platelets
    • very low levels of granulocytes, a type of white blood cell
    • low levels of white blood cells
    • increased eosinophils in the blood
    • mental problems
    • suicidal thoughts
    • hyperactive behavior
    • abnormal heart electrical signals
    • inflammation of the middle tissue heart muscle
    • asthma
    • stomatitis, a condition with painful swelling and sores inside the mouth
    • inflammation of the liver called hepatitis
    • bloody urine
    • a skin disorder with blistering and peeling skin called toxic epidermal necrolysis
    • a skin disorder with blistering and peeling skin called Stevens-Johnson syndrome
    • abnormal peeling of skin
    • hives
    • blistering of the skin
    • a skin rash
    • visible water retention
    • trouble breathing
    • abnormal liver function tests
    • a significant type of allergic reaction called anaphylaxis
    • a type of allergic reaction called angioedema
    • a type of significant allergic skin reaction called DRESS syndrome
    • asystole, stopping the heart

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

    • agitation
    • itching
    • excessive sweating
    • taste impairment
    • gas
    • generalized weakness

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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.