What are the side effects of Elaprase?

Elaprase (generic name is idursulfase) is used for the treatment of MPS II, or Hunter syndrome. Elaprase can have a number of side effects.

Call your doctor immediately if you have any of these side effects:
  • bluish color of fingernails, lips, skin, palms, or nail beds
  • uneven heartbeats
  • blurred vision
  • chest pain
  • difficulty breathing
  • dizziness
  • severe headache
  • worsened asthma
Less common side effects include:
  • headache
  • joint pain
  • itching
  • mild skin rash
  • fatigue or weakness
Some side effects may go away as your body adjusts to the medicine. Check with your about ways to prevent or reduce some of these or other side effects of Elaprase.
While receiving Elaprase, some people experience reactions including:
  • dizziness
  • lightheadedness
  • hives
  • seizures
  • difficulty breathing
  • swelling of the face, lips, tongue, and throat

Seek medical care immediately if you experience these symptoms after receiving Elaprase.

Other serious side effects of Elaprase that need prompt medical attention include:
  • worsened asthma
  • irregular heartbeats
  • blue lips or fingernails
  • fever
  • changes in vision
  • increased blood pressure

  Less serious side effects include:

  • pain in the joints, arm, or legs
  • headache
  • mild, itchy skin rash
  • weakness