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Does omalizumab have any side effects?

Donna Hill Howes, RN
Family Practitioner

Side effects may include injection site reactions, upper respiratory tract and sinus infections, headaches, and sore throat. Some people have had life-threatening allergic reactions after omalizumab injections. This has happened after only one injection and more than 1 year after the start of treatment.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.