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Saturday, November 14, 2009
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Xolair SubQ

Precautions and Side Effects


Generic Name: OMALIZUMAB - INJECTION
Pronounced: (oh-mal-IZ-oo-mab)

Xolair SubQ Warning

Table of Contents

This medication can cause a very serious (sometimes fatal) allergic reaction. In many cases, this type of reaction occurred after the first dose, but it can occur with any later doses. This type of reaction usually occurred within 24 hours or up to 4 days after receiving this medication. Your health care professional will monitor you closely during treatment for any signs of an allergic reaction. Seek immediate medical attention if at any time you develop any signs of an allergic reaction including: trouble breathing, cough, chest tightness, rash, itching, swelling (especially of the throat, tongue), hives, dizziness.

If you have had an allergic reaction to omalizumab, you must never use omalizumab again.

Xolair SubQ Side Effects

See also Warning section.

Injection site itching, redness, stinging, or pain may occur. Leg, arm or ear pain may also occur. If any of these effects persist or worsen, notify your doctor or pharmacist promptly.

Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.

Tell your doctor immediately if any of these highly unlikely but very serious side effects occur:

  • unusual lumps/growths/moles


An allergic reaction to this drug is unlikely, but seek immediate medical attention if it occurs. Symptoms of an allergic reaction include:

  • rash
  • hives
  • itching/swelling (especially of the face/tongue/throat)
  • dizziness
  • chest tightness
  • cough
  • trouble breathing


This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.

Call your doctor for medical advice about side effects. In the US, you may report side effects to the Food and Drug Administration (FDA) at 1-800-FDA-1088.

In Canada, you may report side effects to Health Canada at 1-866-234-2345.

Xolair SubQ Medical Alert

Your condition can cause complications in a medical emergency. For enrollment information call MedicAlert at 1-800-854- 1166 (USA) or 1-800-668-1507 (Canada).

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