PHENYTOIN SODIUM EXTENDED Side Effects by Likelihood and Severity

COMMON side effects

If experienced, these tend to have a Severe expression i

  • a toxic effect on the central nervous system, which consists of the brain and spinal cord
  • overgrowth of gums onto teeth

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

  • over excitement
  • constipation
  • drowsiness
  • dizziness
  • nausea and vomiting
  • nervousness

INFREQUENT side effects

If experienced, these tend to have a Severe expression i

    Sorry, we have no data available. Please contact your doctor or pharmacist.

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

    • abnormal forward position of one or both jaws
    • enlargement of the lips
    • enlarged breasts
    • hirsutism, a condition of hair growth on parts of the body normally without hair
    • difficulty sleeping
    • muscle twitching
    • taste impairment
    • headache
    • a feeling of pins and needles on skin
    • irritability

    RARE side effects

    If experienced, these tend to have a Severe expression i

    • a disorder of vitamin D
    • a disorder of the body's use of calcium
    • lack of immunoglobulin A
    • a type of blood disorder with a decrease in all types of blood cells called pancytopenia
    • decreased blood platelets
    • very low levels of granulocytes, a type of white blood cell
    • low levels of white blood cells
    • low levels of granulocytes, a type of white blood cell
    • a blood disorder
    • suicidal thoughts
    • involuntary movements of the limbs, trunk, and facial muscles called paroxysmal choreoathetosis
    • complete stoppage of the heart
    • slow heartbeat
    • polyarteritis nodosa
    • x-ray results showing lung tissue changes
    • acute liver failure
    • inflammation of the liver called hepatitis
    • a blockage of the bile duct that resulting in high bilirubin levels
    • Peyronie's disease
    • 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
    • systemic lupus erythematosus, an autoimmune disease
    • a type of abnormal movement disorder called dyskinesia
    • a broken bone
    • a type of allergic reaction called angioedema
    • a hypersensitivity reaction to a drug
    • abnormal muscle movements
    • a type of skin disorder called acute generalized exanthematous pustulosis
    • cerebellar atrophy
    • a type of significant allergic skin reaction called DRESS syndrome

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

    • decreased calcification or density of bone
    • high blood sugar
    • the development of coarse facial features

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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.