Xolair bør gives af medicinsk personale, f. eks. en læge eller sygeplejerske, ved subkutan injektion (indsprøjtning under huden) i overarmen eller i låret hver anden eller hver fjerde uge.
Xolair is given by a healthcare worker (such as a doctor or nurse) as a subcutaneous injection (under the skin) at the top of the arm or in the thigh, every two or four weeks.