Keppra Side Effects by Likelihood and Severity

COMMON side effects


If experienced, these tend to have a Severe expression

  • An Infection

If experienced, these tend to have a Less Severe expression

  • Decreased Appetite
  • Dizziness
  • Drowsiness
  • Generalized Weakness
  • Head Pain
  • Increased Eosinophils In The Blood
  • Irritability
  • Low Energy
  • Stuffy Nose
  • Throat Irritation

INFREQUENT side effects


If experienced, these tend to have a Severe expression

  • Feelings Of Hostility

If experienced, these tend to have a Less Severe expression

  • A Stuffy And Runny Nose
  • Aggressive Behavior
  • Agitation
  • Anemia
  • Anxious Feelings
  • Bruising Under The Skin
  • Cough
  • Depersonalization, A Disconnection Of One's Own Sense Of Reality Or Identity
  • Depression
  • Diarrhea
  • Difficulty Sleeping
  • Double Vision
  • High Blood Pressure
  • Hyperactive Behavior
  • Increased Lymphocyte Cells In The Blood
  • Indifferent Behavior
  • Inflammation Of The Tissue Lining The Sinuses
  • Memory Loss
  • Mood Changes
  • Neck Pain
  • Nervousness
  • Numbness And Tingling
  • Pain
  • Sensation Of Spinning Or Whirling
  • Vomiting

RARE side effects


If experienced, these tend to have a Severe expression

  • A Condition With Muscle Tissue Breakdown Called Rhabdomyolysis
  • A Significant Type Of Allergic Reaction Called Anaphylaxis
  • A Skin Disorder With Blistering And Peeling Skin Called Stevens-Johnson Syndrome
  • A Skin Disorder With Blistering And Peeling Skin Called Toxic Epidermal Necrolysis
  • A Skin Rash
  • A Type Of Allergic Reaction Called Angioedema
  • A Type Of Blood Disorder With A Decrease In All Types Of Blood Cells Called Pancytopenia
  • A Type Of Significant Allergic Skin Reaction Called DRESS Syndrome
  • Abnormal Liver Function Tests
  • Acute Inflammation Of The Pancreas
  • Acute Kidney Failure
  • Acute Liver Failure
  • Decreased Blood Platelets
  • Erythema Multiforme, A Type Of Allergic Skin Reaction
  • Hallucinations
  • Inflammation Of The Liver Called Hepatitis
  • Irregular Involuntary Spasms Of Limbs Or Facial Muscles
  • Kidney Inflammation
  • Low Amount Of Sodium In The Blood
  • Low Levels Of A Type Of White Blood Cell Called Neutrophils
  • Low Levels Of White Blood Cells
  • Mental Problems From Taking The Drug
  • Panic Disorder
  • Suicidal Thoughts
  • Very Low Levels Of Granulocytes, A Type Of White Blood Cell

If experienced, these tend to have a Less Severe expression

  • A Change In The Ability To Pay Attention
  • A Type Of Abnormal Movement Disorder Called Dyskinesia
  • A Type Of Skin Condition With Redness And Itching Called Eczema
  • Behavioral Problems
  • Blurred Vision
  • Constipation
  • Flu-Like Symptoms
  • Hair Loss
  • Inflammation Of The Lining Of The Stomach And Intestines
  • Itching
  • Loss Of Muscle Coordination
  • Muscle Pain
  • Muscle Weakness
  • Personality Disorders
  • Weight Loss

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.