Gabapentin Side Effects by Likelihood and Severity

COMMON side effects


If experienced, these tend to have a Severe expression

  • Loss Of Muscle Coordination
  • Nystagmus, A Condition With Involuntary Eye Movements

If experienced, these tend to have a Less Severe expression

  • Dizziness
  • Drowsiness
  • Fluid Retention In The Legs, Feet, Arms Or Hands
  • Inducing Of A Relaxed Easy State
  • Low Energy

INFREQUENT side effects


If experienced, these tend to have a Severe expression

  • Depression
  • Feelings Of Hostility
  • Memory Loss
  • Mental Status Changes
  • Mood Changes
  • Trouble Breathing

If experienced, these tend to have a Less Severe expression

  • A Bacterial Infection Of The Middle Ear
  • A Feeling Of General Discomfort Called Malaise
  • A Type Of Speech Disorder Called Dysarthria
  • An Infection Due To A Virus
  • Backache
  • Blurred Vision
  • Constipation
  • Cough
  • Diarrhea
  • Double Vision
  • Dry Mouth
  • Generalized Weakness
  • Hyperactive Behavior
  • Muscle Tremors
  • Nausea
  • Throat Dryness
  • Throat Irritation
  • Toxic Amblyopia, A Loss Of Vision
  • Vomiting
  • Weight Gain

RARE side effects


If experienced, these tend to have a Severe expression

  • A Condition With Muscle Tissue Breakdown Called Rhabdomyolysis
  • A Hypersensitivity Reaction To A Drug
  • A Significant Type Of Allergic Reaction Called Anaphylaxis
  • A Skin Disorder With Blistering And Peeling Skin Called Stevens-Johnson Syndrome
  • A Type Of Allergic Reaction Called Angioedema
  • A Type Of Significant Allergic Skin Reaction Called DRESS Syndrome
  • A Yellowing Of The Eyes Or Skin From Buildup Of Bilirubin Called Jaundice
  • Abnormal Liver Function Tests
  • Addiction To A Drug
  • Bullous Pemphigoid
  • Confusion
  • Decreased Lung Function
  • Erythema Multiforme, A Type Of Allergic Skin Reaction
  • Fainting
  • Increased Eosinophils In The Blood
  • Irritability
  • Low Amount Of Sodium In The Blood
  • Multiple Organ Failure
  • Suicidal Thoughts
  • Swollen Lymph Nodes

If experienced, these tend to have a Less Severe expression

  • A Skin Rash
  • A Stuffy And Runny Nose
  • Accidental Falls
  • Agitation
  • Altered Interest In Having Sexual Intercourse
  • Anxious Feelings
  • Behavioral Problems
  • Decreased Appetite
  • Difficulty Concentrating
  • Difficulty Sleeping
  • Enlarged Breasts
  • Excessive Sweating
  • Fever
  • Headache
  • High Blood Sugar
  • Increased Creatine Kinase Levels
  • Indigestion
  • Pain
  • Pink Eye
  • The Inability To Have An Erection

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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.