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Xolair SubQ Precautions and Side Effects


IMPORTANT NOTE: The following information is intended to supplement, not substitute for, the expertise and judgment of your physician, pharmacist or other healthcare professional. It should not be construed to indicate that use of the drug is safe, appropriate or effective for you. Consult your healthcare professional before using this drug.

Table of Contents

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

Xolair SubQ Warning

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.

In the US -

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.

Xolair SubQ Precautions

Before using omalizumab, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

Before using this medication, tell your doctor or pharmacist your medical history.

This medication should be used only when clearly needed during pregnancy. Discuss the risks and benefits with your doctor.

It is not known whether this drug passes into breast milk. Consult your doctor before breast-feeding.

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).


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.
Copyright 2007 First DataBank, Inc.

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