KEPPRA Side Effects by Likelihood and Severity

COMMON side effects

If experienced, these tend to have a Severe expression i

  • an infection

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

  • throat irritation
  • stuffy nose
  • drowsiness
  • dizziness
  • low energy
  • decreased appetite
  • headache
  • generalized weakness
  • irritability

INFREQUENT side effects

If experienced, these tend to have a Severe expression i

  • feelings of hostility

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

  • anemia
  • increased lymphocyte cells in the blood
  • a stuffy and runny nose
  • inflammation of the tissue lining the sinuses
  • constipation
  • neck pain
  • sensation of spinning or whirling
  • difficulty sleeping
  • pain
  • cough
  • vomiting
  • diarrhea
  • nervousness
  • a feeling of pins and needles on skin
  • indifferent behavior
  • anxious feelings

RARE side effects

If experienced, these tend to have a Severe expression i

  • low amount of sodium in the blood
  • 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 a type of white blood cell called neutrophils
  • mental problems from taking the drug
  • panic disorder
  • suicidal thoughts
  • irregular involuntary spasms of limbs or facial muscles
  • acute liver failure
  • inflammation of the liver called hepatitis
  • acute inflammation of the pancreas
  • acute kidney failure
  • erythema multiforme, a type of allergic skin reaction
  • a skin disorder with blistering and peeling skin called toxic epidermal necrolysis
  • a skin disorder with blistering and peeling skin called Stevens-Johnson syndrome
  • a condition with muscle tissue breakdown called rhabdomyolysis
  • hallucinations
  • a skin rash
  • 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
  • worsening of seizure

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

  • behavioral problems
  • blurred vision
  • high blood pressure
  • a type of skin condition with redness and itching called eczema
  • itching
  • hair loss
  • muscle pain
  • weight loss
  • a change in the ability to pay attention

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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.