Used for Asthma

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Manufactured by Genentech, Inc.

*You can pay as little as $0 per fill using Drug Coupons or Patient Assistance Programs. Subject to applicability & eligibility requirements.

This content is intended for US audiences only

XOLAIR cost saving options available to you

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XOLAIR Uses, Side Effects, Interactions, Warnings & Dosing

What is XOLAIR?

What is XOLAIR?

XOLAIR is the brand name for omalizumab subcutaneous injection.

What dosages is XOLAIR available in?

What dosages is XOLAIR available in?

XOLAIR is available as a 75 mg/0.5 mL, 150 mg/mL, and 300 mg/2 mL single-dose prefilled syringe and autoinjector.

What is XOLAIR used for?

What is XOLAIR used for?

XOLAIR is an immunoglobulin E (IgE) monoclonal antibody and is used for the following:

  • Moderate-to-severe allergic asthma
  • Chronic rhinosinusitis with nasal polyps
  • Chronic spontaneous urticaria (CSU) (chronic hives of unknown cause)
  • Lower risk of severe allergic reactions after accidental exposure to food triggers
How does XOLAIR work?

How does XOLAIR work?

XOLAIR is a monoclonal antibody. It targets a specific protein in the immune system called immunoglobulin E (IgE). This protein is typically involved in ramping up your immune system’s allergic response to something, like certain food. XOLAIR stops IgE from releasing histamine and other chemicals that cause symptoms of allergic asthma, nasal polyps, hives, and allergic reactions from food.

How do I take XOLAIR?

How do I take XOLAIR?

XOLAIR is dosed as follows:

  • Your allergist will determine and adjust your dose of XOLAIR based on different factors like body weight, serum IgE level, and how well the medication is working for you
  • XOLAIR is given as an injection under the skin (subcutaneous or SC) in either the front and middle of your thigh, stomach area (2 inches away from your belly button), or in the back of the upper arm (if given by a caregiver)

Allergic asthma

  • Adults and children ages 6 years and older: The typical dose ranges from 75 mg to 375 mg injected SC every 2 or 4 weeks.

Chronic rhinosinusitis with nasal polyps

  • Adults: The typical dose ranges from 75 mg to 600 mg injected SC every 2 or 4 weeks

Chronic idiopathic urticaria (hives)

  • Adults and children ages 12 years and older: The typical dose ranges from 150 mg or 300 mg SC every 4 weeks
  • Prevention of severe food allergy reactions
  • Adults and children ages 1 year and older: The typical dose ranges from 75 mg to 600 mg injected SC every 2 or 4 weeks
Is it safe for me to take XOLAIR?

Is it safe for me to take XOLAIR?

XOLAIR is a safe and effective treatment when used for FDA licensed indications. However, like all medications, they may give you unwanted side effects. You should always discuss potential side effects with your physician to ensure the medication is suitable and right for you.

XOLAIR Common Side Effects

XOLAIR Common Side Effects

Common side effects of XOLAIR:

  • Injection site reaction
  • Common cold symptoms
  • Joint pain
  • Body pain
  • Leg pain
  • Dizziness
  • Fatigue
  • Headache
XOLAIR Serious Side Effects

XOLAIR Serious Side Effects

Serious side effects are rare with XOLAIR. Contact your healthcare provider immediately if you experience any of the following.

  • Serious allergic reactions: hives, wheezing, difficulty breathing, swelling of face, mouth, tongue, or throat
  • Inflammation of blood vessels: rash, difficulty breathing, tingling or numbness in arms or legs, chest pain
  • Heart and blood circulation problems: chest pain, heart attack, blood clots, stroke
  • Fever, joint pain, or rash after an injection
  • Parasitic infections
Effects of other drugs, drug classes and over-the-counter products on XOLAIR

Effects of other drugs, drug classes and over-the-counter products on XOLAIR

  • No formal drug-drug interaction studies with XOLAIR have been conducted. However, always let your physician and pharmacist know about any other medications or supplements (including prescribed and over-the-counter medications, vitamins, and dietary or herbal supplements) that you are currently taking
Who makes XOLAIR?

Who makes XOLAIR?

Genentech, Inc.

Is XOLAIR safe in pregnancy?

Is XOLAIR safe in pregnancy?

It is not known if XOLAIR will harm your unborn baby. Tell your healthcare provider if you are pregnant or plan to become pregnant while using XOLAIR.


What to do if you missed your XOLAIR dose

The FDA's medical product safety reporting program for health professionals, patients and consumers.

Learn more about reporting side effects
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Medical Disclaimer

NowPatient has taken all reasonable steps to ensure that all material is factually accurate, complete, and current. However, the knowledge and experience of a qualified healthcare professional should always be sought after instead of using the information on this page. Before taking any drug, you should always speak to your doctor or another qualified healthcare provider.

The information provided here about medications is subject to change and is not meant to include all uses, precautions, warnings, directions, drug interactions, allergic reactions, or negative effects. The absence of warnings or other information for a particular medication does not imply that the medication or medication combination is appropriate for all patients or for all possible purposes.

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