


Xolair 150mg Injection
Written By Dr. Swati Mishra, BDS,
Reviewed By Dr. Sachin Gupta, MD Pharmacology, MBBS,
Last updated on 23 Mar 2026 | 11:29 AM (IST)



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Product introduction
Xolair 150mg Injection is given as an injection under the supervision of a doctor. The first three dose of medicine is given by the doctor. Your doctor will explain to you the best way to inject the medicine so that you can inject your medicine at home. Your doctor will decide how much you need to improve your symptoms. You should take this medicine for as long as it is prescribed for you even if you feel better.
The most common side effects of this medicine include joint pain, pain (general), fatigue, dizziness, fracture, itching, dermatitis, upper abdominal pain, nasopharyngitis, headache, and ear pain. If these bother you or appear serious, let your doctor know. There may be ways of reducing or preventing them. Remember, it does not prevent you from a sudden attack, hence always carry your emergency inhaler with you.
Before taking this medicine if you have liver or kidney disease, or if you are pregnant or planning pregnancy. Your doctor should also know about all other medicines you are taking as many of these may make this medicine less effective or change the way it works. In general, alcohol is not recommended while on treatment with this medicine.
Uses of Xolair Injection
- Asthma
- Urticaria
Benefits of Xolair Injection
Xolair 150mg Injection is used to treat the symptoms of asthma such as tightness in your chest, wheezing, breathlessness and coughing. This means you can carry out your daily activities more easily and more confidently. It may take a few weeks for this medicine to show full effects. It is given as an injection by a doctor or nurse and should not be self-administered. Taking this medicine enables you to live your life more freely without worrying so much about things that set off your symptoms.
Xolair 150mg Injection can be very helpful for people with urticaria, particularly Chronic Idiopathic Urticaria (long-lasting hives that don’t have a clear cause). It works by reducing itching, swelling, and flare-ups when usual medicines like antihistamines are not enough. Many patients notice better sleep, fewer symptoms, and an improved quality of life. Since it is given once every 3 to 4 weeks, it also offers convenience without the need for daily medication. Most people tolerate it well, with only mild side effects in some cases.
Side effects of Xolair Injection
- Fracture
- Itching
- Dermatitis
- Upper abdominal pain
- Nasopharyngitis (inflammation of the throat and nasal passages)
- Ear pain
- Joint pain
- Pain
- Fatigue
- Dizziness
How to use Xolair Injection
How Xolair Injection works
All substitutes for Xolair 150mg Injection
Quick tips
- Xolair 150mg Injection is used for the treatment of moderate to severe asthma.
- Seek immediate medical help if you experience symptoms like wheezing, shortness of breath, cough, chest tightness, swelling of the throat or tongue, or trouble breathing.
- Inform your doctor immediately if your asthma remains uncontrolled or worsens after initiation of treatment.
- Inform your doctor if you have any other allergies (such as food allergies or seasonal allergies).
- Let your doctor know if you are or planning to become pregnant or breastfeeding.
Safety advice

Alcohol

Pregnancy

Breast feeding

Driving

Kidney

Liver
Frequently asked questions
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References
- Boushey HA. Drugs Used in Asthma. In: Katzung BG, Masters SB, Trevor AJ, editors. Basic and Clinical Pharmacology. 11th ed. New Delhi, India: Tata McGraw Hill Education Private Limited; 2009. p. 350.
- Barnes PJ. Pulmonary Pharmacology. In: Brunton LL, Chabner BA, Knollmann BC, editors. Goodman & Gilman’s: The Pharmacological Basis of Therapeutics. 12th ed. New York, New York: McGraw-Hill Medical; 2011. p. 1054.
- Briggs GG, Freeman RK, editors. A Reference Guide to Fetal and Neonatal Risk: Drugs in Pregnancy and Lactation. 10th ed. Philadelphia, PA: Wolters Kluwer Health; 2015. pp. 1019-20.
- Omalizumab. East Hanover, New Jersey: Novartis Pharmaceuticals Corporation; 2003 [revised Jul. 2016]. [Accessed 1 Apr. 2019] (online) Available from:
- Central Drugs Standard Control Organisation (CDSCO). [Accessed 01 Apr. 2019] (online) Available from:
- Omalizumab Injection. Prescribing Information. South San Francisco, CA; Genentech, Inc.; 2024. [Accessed 23 Sep 2025] (online) Available from:
- Omalizumab. East South San Francisco, CA: Genentech, Inc.; 2024. [Accessed 04 Nov. 2025] (online). Available from:




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Address: Sandoz House, Shiv Sagar Estate, Worli Mumbai -400 018, India
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