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Average User Rating:
Tysabri, 3.50 / 5 (4 votes)

Tysabri Side Effects

Tysabri may cause side effects. Tell your doctor if any of these symptoms are severe or do not go away:
  • headache
  • extreme tiredness
  • joint pain or swelling
  • pain in arms or legs
  • swelling of the arms, hands, feet, ankles, or lower legs
  • muscle cramps
  • stomach pain
  • diarrhea
  • heartburn
  • constipation
  • gas
  • weight gain or loss
  • depression
  • night sweats
  • painful, irregular, or missed menstruation (period)
  • swelling, redness, burning, or itching of the vagina
  • white vaginal discharge
  • frequent or painful urination
  • sudden need to urinate right away
  • difficulty controlling urination
  • tooth pain
  • cold sores
Some adverse side effects of Tysabri are very serious:
  • sore throat, fever, cough or other signs of infection
  • rash
  • hives
  • itching
  • difficulty breathing
  • chest pain
  • dizziness
  • chills
  • flushing
  • yellowing of the skin or eyes
  • nausea
  • vomiting
  • unusual darkening of the urine
Using this drug has been linked to progressive multifocal leokoencephalothapy which has in turn led to deaths.