Topamax Side Effects by Likelihood and Severity

COMMON side effects


If experienced, these tend to have a Less Severe expression

  • A Type Of Speech Disorder Called Dysarthria
  • Behavioral Problems
  • Breast Pain
  • Confusion
  • Decreased Appetite
  • Difficulty Concentrating
  • Difficulty Sleeping
  • Dizziness
  • Double Vision
  • Drowsiness
  • Fever
  • Generalized Weakness
  • Intense Abdominal Pain
  • Irregular Periods
  • Low Energy
  • Memory Loss
  • Nausea
  • Nervousness
  • Numbness
  • Numbness And Tingling
  • Nystagmus, A Condition With Involuntary Eye Movements
  • Pain With Menstruation
  • Slowness Of Movement
  • Temporary Redness Of Face And Neck
  • Weight Loss

INFREQUENT side effects


If experienced, these tend to have a Severe expression

  • An Infection
  • Kidney Stones
  • Low Levels Of White Blood Cells

If experienced, these tend to have a Less Severe expression

  • A Common Cold
  • Aggressive Behavior
  • Agitation
  • Altered Interest In Having Sexual Intercourse
  • An Abnormal Increase In Muscle Tone
  • An Infection Due To A Virus
  • Anxious Feelings
  • Backache
  • Bleeding
  • Bronchitis
  • Bruising Under The Skin
  • Chest Pain
  • Constipation
  • Cough
  • Depression
  • Diarrhea
  • Dry Mouth
  • Hair Loss
  • Indigestion
  • Inflammation Of The Gums
  • Inflammation Of The Lining Of The Stomach And Intestines
  • Inflammation Of The Nose
  • Inflammation Of The Tissue Lining The Sinuses
  • Involuntary Muscle Movements
  • Joint Pain
  • Large Purple Or Brown Skin Blotches
  • Loss Of Muscle Coordination
  • Mental Status Changes
  • Mood Changes
  • Muscle Tremors
  • Nosebleed
  • Pain In The Arms Or Legs
  • Premature Ejaculation
  • Ringing In The Ears
  • Taste Impairment
  • Throat Irritation
  • Urinary Tract Infection
  • Visible Water Retention
  • Vomiting

RARE side effects


If experienced, these tend to have a Severe expression

  • 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 Type Of Brain Function Problem Called Encephalopathy
  • Anemia
  • Asthma
  • Blind Spot In The Eye
  • Decreased Sweating
  • Erythema Multiforme, A Type Of Allergic Skin Reaction
  • Excess Body Acid
  • Hallucinations
  • High Amount Of Ammonium In The Blood
  • Increased Calcium In The Kidneys
  • Increased Eosinophils In The Blood
  • Increased Pressure In The Eye
  • Inflammation Of The Liver Called Hepatitis
  • Inflammation Of The Skin With Blisters
  • Kidney Disease With Reduction In Kidney Function
  • Liver Failure
  • Low Blood Pressure
  • Low Body Temperature
  • Maculopathy
  • Mental Problems From Taking The Drug
  • Nearsightedness
  • Pancreatitis
  • Pemphigus, A Type Of Skin Disorder
  • Pneumonia
  • Secondary Angle-Closure Glaucoma, A Type Of Eye Disorder
  • Suicidal Behavior
  • Suicidal Thoughts

If experienced, these tend to have a Less Severe expression

  • A Change In Vision
  • A Skin Rash
  • A Yeast Infection Of The Vagina And Vulva
  • Acne
  • An Increased Need To Urinate Often
  • Bleeding Gums
  • Bleeding Not Related To Menstrual Period
  • Bloody Urine
  • Changes In The Visual Field
  • Chills
  • Difficult Or Painful Urination
  • Excessive Sweating
  • Excessive Thirst
  • Eye Pain
  • Fainting
  • Flu-Like Symptoms
  • Gastroesophageal Reflux Disease
  • Head Pain
  • Involuntary Leakage Of Urine
  • Itching
  • Muscle Pain
  • Orthostatic Hypotension, A Form Of Low Blood Pressure
  • Pink Eye
  • Red Eyes
  • Sensation Of Spinning Or Whirling
  • The Inability To Have An Erection
  • Trouble Breathing

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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.