Tysabri Vial Side Effects by Likelihood and Severity

COMMON side effects


If experienced, these tend to have a Severe expression

  • A Skin Rash
  • Depression
  • Urinary Tract Infection

If experienced, these tend to have a Less Severe expression

  • A Common Cold
  • A Lower Respiratory Infection
  • Diarrhea
  • Headache
  • Inflammation Of The Lining Of The Stomach And Intestines
  • Inflammation Or Infection Of The Vagina
  • Intense Abdominal Pain
  • Joint Pain
  • Low Energy
  • Nausea
  • Pain

INFREQUENT side effects


If experienced, these tend to have a Severe expression

  • Damage To The Liver And Inflammation
  • Fluid Retention In The Legs, Feet, Arms Or Hands
  • Hives
  • Inflammation Of The Skin Due To An Allergy

If experienced, these tend to have a Less Severe expression

  • A Tooth Disease
  • An Increased Need To Urinate Often
  • Backache
  • Cough
  • Dizziness
  • Itching
  • Pain With Menstruation

RARE side effects


If experienced, these tend to have a Severe expression

  • A Hypersensitivity Reaction To A Drug
  • A Significant Type Of Allergic Reaction Called Anaphylaxis
  • A Type Of Blood Disorder Where The Red Blood Cells Burst Called Hemolytic Anemia
  • Abnormal Liver Function Tests
  • Acute Liver Failure
  • Acute Retinal Necrosis
  • An Infection
  • An Ovarian Cyst
  • Appendicitis
  • Chest Tightness
  • Encephalitis Due To Varicella Zoster Virus
  • Gallstones
  • Herpes Simplex Encephalitis
  • Herpes Simplex Meningitis
  • High Amount Of Bilirubin In The Blood
  • High Blood Pressure
  • Inflammation Of The Tonsils
  • Leukoencephalopathy, A Disease Of The White Matter Of The Brain
  • Liver Damage
  • Meningitis Due To Varicella Zoster Virus
  • Mycobacterium Avium Bacteria Infection
  • Opportunistic Fungal Infection
  • Pneumonia With A Fungus Called Pneumocystis Jirovecii
  • Progressive Multifocal Leukoencephalopathy, A Type Of Brain Infection
  • Suicidal Thoughts
  • The Flu
  • Trouble Breathing

If experienced, these tend to have a Less Severe expression

  • A Herpes Simplex Infection
  • Absence Of Menstrual Periods
  • Anxious Feelings
  • Chills
  • Drowsiness
  • Fainting
  • Muscle Pain
  • Muscle Tremors
  • Weight Gain
  • 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.