Omalizumab Side Effects

Please note - some side effects for Omalizumab may not be reported. Always consult your doctor or healthcare specialist for medical advice. You may also report side effects to the FDA at http://www.fda.gov/medwatch/ or 1-800-FDA-1088 (1-800-332-1088).

Side Effects of Omalizumab - for the consumer

Omalizumab

All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome when using Omalizumab:

Bruising, itching, pain, redness, stinging, swelling, or warmth at the application site; headache; itching and swelling of the skin; leg, arm, or ear pain; sinus inflammation.

Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, tongue or throat); anxiety; cough; dizziness; fainting; fast or weak heartbeat; feeling unusually warm; flushing; hoarseness; shortness of breath; symptoms of sinus or lung infection (congestion, cough, or fever); trouble swallowing; unusual lumps, growths, or moles; wheezing.

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