Symmetrel Capsule Side Effects by Likelihood and Severity

COMMON side effects


If experienced, these tend to have a Severe expression

  • Accidental Falls

If experienced, these tend to have a Less Severe expression

  • Constipation
  • Difficulty Concentrating
  • Difficulty Sleeping
  • Dizziness
  • Dry Mouth
  • Fluid Retention In The Legs, Feet, Arms Or Hands
  • Hallucinations
  • Nervousness
  • Orthostatic Hypotension, A Form Of Low Blood Pressure

INFREQUENT side effects


If experienced, these tend to have a Severe expression

  • Clouding Of The Lens Of The Eye Called Cataracts

If experienced, these tend to have a Less Severe expression

  • Abnormal Dreams
  • Abnormal Manner Of Walking
  • Abnormal Muscle Movements
  • Anxious Feelings
  • Arthritis
  • Blurred Vision
  • Confusion
  • Cough
  • Decreased Appetite
  • Depression
  • Diarrhea
  • Drowsiness
  • Dry Eye
  • Enlarged Prostate
  • Headache
  • Irritability
  • Low Energy
  • Muscle Spasm
  • Nausea
  • Nightmares
  • Purplish Discoloration Of Skin That Looks Like Netting
  • Skin Discoloration
  • Urinary Tract Infection
  • Vomiting

RARE side effects


If experienced, these tend to have a Severe expression

  • A Sudden Onset Of Sleep
  • Chronic Heart Failure
  • Deposits On The Eye
  • Low Levels Of A Type Of White Blood Cell Called Neutrophils
  • Painful And Involuntary Movement Of The Eyes Called Oculogyric Crisis
  • Paranoia
  • Seizures
  • Suicidal Behavior
  • 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 Vision
  • A Skin Rash
  • An Inability To Completely Empty The Bladder
  • An Inability To Control Impulsive Behavior
  • Delusions
  • Dryness Of The Nose
  • Inflammation Of The Skin Due To An Allergy
  • Throat Dryness

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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.