Tizanidine HCL Side Effects by Likelihood and Severity

COMMON side effects


If experienced, these tend to have a Severe expression

  • Abnormal Liver Function Tests
  • Toxic Amblyopia, A Loss Of Vision

If experienced, these tend to have a Less Severe expression

  • A Skin Rash
  • A Stuffy And Runny Nose
  • A Type Of Speech Disorder Called Dysarthria
  • An Increased Need To Urinate Often
  • Constipation
  • Dizziness
  • Drowsiness
  • Dry Mouth
  • Flu-Like Symptoms
  • Generalized Weakness
  • Inducing Of A Relaxed Easy State
  • Nervousness
  • Throat Irritation
  • Urinary Tract Infection
  • Vomiting

INFREQUENT side effects


If experienced, these tend to have a Severe expression

  • Fainting
  • Hallucinations
  • Low Blood Pressure
  • Mental Problems From Taking The Drug
  • Seizures
  • Slow Heartbeat

If experienced, these tend to have a Less Severe expression

  • A Type Of Abnormal Movement Disorder Called Dyskinesia
  • Abnormal Nervous System Function Affecting Alertness
  • Delusions
  • Muscle Tremors
  • Orthostatic Hypotension, A Form Of Low Blood Pressure

RARE side effects


If experienced, these tend to have a Severe expression

  • A Feeling Of Pins And Needles On Skin
  • 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
  • Inflammation Of The Liver Called Hepatitis
  • Rapid Ventricular Heartbeat
  • Skin Rash With Sloughing

If experienced, these tend to have a Less Severe expression

  • Hives
  • Joint Pain

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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.