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Home > Drugs > Selective immunosuppressants > Xolair
Selective immunosuppressants

Xolair

https://themeditary.com/drug/xolair-810.html
Medically Reviewed by Melisa Puckey, BPharm TheMediTary.Com | Reviewed: Jul 12, 2023  Additional Content by TheMediTary.Com

Generic name: omalizumab [ oh-ma-liz-oo-mab ]

Drug class: Selective immunosuppressants

Dosage form: injection, solution

Availability: Prescription only

Pregnancy & Lactation: Risk data available

Brand names: Omalizumab

Contents
Uses Warnings Before Taking Dosage Side effects Interactions FAQ
  • Xolair (Omalizumab [ oh-ma-liz-oo-mab ])-medicine-75 mg/0.5 mL prefilled syringe Xolair 75 mg/0.5 mL prefilled syringe (medicine)
  • Xolair (Omalizumab [ oh-ma-liz-oo-mab ])-medicine-150 mg/mL prefilled syringe Xolair 150 mg/mL prefilled syringe (medicine)
  • Xolair (Omalizumab [ oh-ma-liz-oo-mab ])-medicine-150 mg lyophilized powder for injection Xolair 150 mg lyophilized powder for injection (medicine)
  • View all images

What is Xolair?

Xolair (omalizumab) injection is a medication used to treat types of allergic asthma, nasal polyps and chronic hives (chronic spontaneous urticaria). Xolair works by reducing the release of inflammatory substances that cause allergy symptoms, thereby decreasing allergic responses in the body.

Xolair is a monoclonal antibody that is usually given every 2 or 4 weeks to maintain its therapeutic effects.

Warnings

Some people using this injection have had a severe, life-threatening allergic reaction either right after the injection or hours later. Allergic reactions may occur even after using this injection regularly for a year or longer.

Get emergency medical help if you have any signs of an allergic reaction to Xolair: hives, rash; anxiety or fear; flushing (warmth, redness, or tingly feeling); feeling like you might pass out; chest tightness, wheezing, feeling short of breath, difficult breathing; fast or weak heartbeats; swelling of your face, lips, tongue, or throat.

Asthma is often treated with a combination of different drugs. Use all medications as directed by your doctor. Read the medication guide or patient instructions provided with each medication. Do not change your doses or medication schedule without your doctor's advice.

If you also use an oral steroid medication, do not stop using the steroid suddenly or you may have unpleasant withdrawal symptoms. Talk with your doctor if any of your asthma medications do not seem to work as well in treating or preventing attacks. Your symptoms may not improve right away once you start receiving Xolair. For best results, keep receiving the injection as directed. Talk with your doctor if your symptoms do not improve after a few weeks of treatment.

Use Xolair regularly to get the most benefit. Get your prescription refilled before you run out of medicine completely.

How should I take Xolair

Before you start treatment with this medicine, your doctor may perform an allergy skin test or blood test to make sure this medicine is right for you.

Xolair is given as an injection under the skin (subcutaneous injection). When you first start your treatment, the injection will be given to you by your healthcare provider. 

You will be watched closely for a short time after receiving the injection to make sure you do not have an allergic reaction to the medication.

Your healthcare provider may decide that the injections can be administered by you or a caregiver, and you will receive training on the right way to prepare and inject this medicine. Do not try to inject Xolair until you have been shown the right way to use the prefilled syringe injections.

For children 12 years of age and older, the prefilled syringe may be self-injected under adult supervision. For children 6 to 11 years of age, the prefilled syringe should be injected by a caregiver.

Xolair is usually given every 2 or 4 weeks, depending on what condition you are treating.

Your condition may be treated with a combination of drugs. Use all medications as directed by your doctor. Read the medication guide or patient instructions provided with each medication. Do not change your doses or medication schedule without your doctor's advice.

If you also use a steroid medicine, do not stop using it suddenly, or you may have unpleasant withdrawal symptoms. Talk with your doctor if any of your asthma medications do not seem to work as well in treating or preventing attacks.

While using this medicine, you may need frequent medical tests, such as allergy tests and lung function tests. Your stools may also need to be checked for parasites, especially if you travel.

Your condition may not improve right away. For best results, keep receiving the medication as directed. Talk with your doctor if your symptoms do not improve after a few weeks of treatment.

Xolair Prefilled Syringe instructions:

  • Take the carton containing the prefilled syringe out of the refrigerator. Set aside the carton for at least 15 to 30 minutes so the prefilled syringe can warm up on its own to room temperature. Leave the prefilled syringe in the carton to protect it from light.
  • Do not speed up the warming process using any heat sources such as warm water or a microwave.
  • Check the contents of the prefilled syringe for particulate matter and discoloration prior to administration. The solution should be clear and colorless to pale brownish yellow. Do not use the prefilled syringe if the medicine is cloudy, discolored, or contains particles.
  • Check the number of prefilled syringes needed for the patient's dosage.
  • For patients requiring more than 1 injection to complete a full dose, administer each injection at least 1 inch apart from other injection sites.
  • Use the injection within 4 hours after taking it out of the refrigerator
  • Administer subcutaneous injection into the thigh or abdomen, avoiding the 2-inch (5 cm) area directly around the navel. The outer area of the upper arms may be used only if the injection is being given by a caregiver or healthcare provider. The injection may take 5-10 seconds to administer.
  • Dispose of the used syringe in a puncture-resistant container. Talk to your doctor or pharmacist about how to dispose of the puncture-resistant container.

For more instructions, including diagrams for all Xolair device types and how to inject, click on this link: Xolair Instructions For Use.

Dosing information

Usual Adult and Pediatric Dose for Asthma:

Dose: Xolair 75 mg to 375 mg by subcutaneous injection every 2 or 4 weeks. Dose and frequency of injection is based on weight and pre-treatment IgE levels. Click on the link below "Detailed Xolair dosage information" for dose details.

Comments: 

  • Interruptions lasting less than 1 year: Dose based on serum IgE levels obtained at the initial dose determination.
  • Interruptions lasting 1 year or more: Retest total serum IgE levels for dose determination.
  • Periodically reassess the need for continued therapy based on the patient's disease severity and level of asthma control.

Use: Management of moderate to severe persistent asthma in patients  (12 Years and Older) who are inadequately controlled with inhaled corticosteroids and with a positive skin test or in vitro reactivity to a perennial aeroallergen.

Usual Adult Dose for Chronic Rhinosinusitis with Nasal Polyps (CRSwNP)

Dose: 75 mg to 600 mg by subcutaneous injection every 2 or 4 weeks. The dose and frequency of injection are based on weight and pre-treatment IgE levels. Click on the link below "Detailed Xolair dosage information" for dose details.

Comments:

  • Periodically reassess the need for continued therapy based upon the patient's disease severity and level of symptom control.
  • Interruptions lasting less than 1 year: Dose based on serum IgE levels obtained at the initial dose determination.
  • Interruptions lasting 1 year or more: Retest total serum IgE levels for dose determination.

Use: As an add-on maintenance treatment for Chronic rhinosinusitis with nasal polyps (CRSwNP) in adult patients 18 years of age and older with inadequate response to nasal corticosteroids.

Usual Adult Dose for Chronic Spontaneous Urticaria (CSU):

Dose: 150mg or 300 mg subcutaneously every 4 weeks.

Comments:

  • Dosing not dependent on IgE levels or body weight.
  • Avoid administering more than 150 mg per injection site.
  • The appropriate duration of therapy for CSU has not been evaluated. Periodically reassess the need for continued therapy.

Use: Chronic idiopathic urticaria in patients remaining symptomatic after H1 antihistamine treatment.

Detailed Xolair dosage information

Xolair is available as:

  • Xolair single-dose prefilled syringe: 75 mg/0.5 mL (blue needle shield).
  • Xolair single-dose prefilled syringe: 150 mg/mL (purple needle shield).
  • Xolair single-dose vial: 150 mg vial for reconstitution.
Xolair Dosage information (more detail)

Before Taking

You should not use this medicine if you are allergic to omalizumab, or any of the inactive ingredients.  Click here for a full list of ingredients: Xolair ingredients.

To make sure Xolair is safe for you, tell your doctor if you have:

  • any signs of infection (fever, swollen glands, general ill feeling)
  • any other allergies (foods, pollens, etc.)
  • an infection caused by parasites (such as giardia, malaria, leishmaniasis, hookworm, pinworm, toxoplasmosis, and many others)
  • past or present cancer
  • a history of heart attack or stroke
  • if you are receiving allergy shots
  • if you have ever had a severe allergic reaction (anaphylaxis)
  • if you have a latex allergy, as the needle cap on the prefilled syringe contains a type of natural rubber latex.

Using this injection may increase your risk of certain types of cancers of the breast, skin, prostate, or salivary gland. Talk to your doctor about your individual risk.

While you are using this medicine, you may also have an increased risk of becoming infected with parasites (worms) if you live in or travel to areas where such infections are common. Talk with your doctor about what to look for and how to treat this condition.

Pregnancy

Tell your doctor if you are pregnant or plan to become pregnant during treatment.   If you become pregnant while using this injection, call your doctor.

If you are pregnant, your name may be listed on a pregnancy registry. This is to track the outcome of the pregnancy and to evaluate any effects of Xolair on the baby.

Breastfeeding 

It is not known whether Xolair could harm a nursing baby. Tell your doctor if you are breastfeeding or planning to breastfeed a baby.

Xolair pregnancy and breastfeeding warnings (more detail)

What happens if I miss a dose?

Call your doctor for instructions if you miss an appointment for your injection.

What happens if I overdose?

Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.

Xolair side effects

Some people using Xolair have had a severe, life-threatening allergic reaction either right after the injection or hours later. Allergic reaction may occur even after using the medication regularly for a year or longer.

Get emergency medical help if you have any signs of an allergic reaction to Xolair:

  • hives, itching;
  • anxiety or fear, feeling like you might pass out;
  • flushing (warmth, redness, or tingly feeling);
  • chest tightness, wheezing, cough, feeling short of breath, difficult breathing;
  • fast or weak heartbeats; or
  • swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have:

  • ongoing nausea or vomiting, severe or watery diarrhea;
  • trouble breathing;
  • numbness or tingling in your arms or legs;
  • fever, muscle pain, and rash within a few days after receiving an injection;
  • signs of an ear infection - fever, ear pain or full feeling, trouble hearing, drainage from the ear, fussiness in a child;
  • heart attack symptoms - chest pain or pressure, pain spreading to your jaw or shoulder; or
  • signs of a blood clot - sudden numbness or weakness, problems with vision or speech, coughing up blood, swelling or redness in an arm or leg.

Common Xolair side effects may include:

  • rash;
  • fever;
  • nosebleeds;
  • joint pain, bone fractures;
  • arm or leg pain;
  • nausea, vomiting, diarrhea, stomach pain;
  • headache;
  • dizziness, feeling tired;
  • ear pain, ear infection;
  • pain, bruising, swelling, or irritation where the medicine was injected; or
  • cold symptoms such as stuffy nose, sneezing, sinus pain, cough, sore throat.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

See more: Xolair Side Effects

What other drugs will affect Xolair?

Other drugs may interact with this medicine including prescription and over-the-counter medicines, vitamins, and herbal products. Tell each of your healthcare providers about all medicines you use now and any medicine you start or stop using.
It is important to tell your doctor or healthcare provider if you have any of the following: allergy shots (a series of injections given regularly to prevent the body from developing allergic reactions to specific substances) and medications that suppress your immune system. Your doctor may need to change the doses of your medications or monitor you carefully for side effects.

This list is not complete. Many other drugs may interact with Xolair, including prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible interactions are listed in this medication guide.

Popular FAQ

What is Xolair approved for?
Can Xolair be self-administered at home?
Can I take Xolair during pregnancy?
Is Xolair a steroid?

More about Xolair (Omalizumab [ oh-ma-liz-oo-mab ])

Dosage information
Xolair Side Effects
Patient tips
During pregnancy
Xolair Prescribing Information
Drug images
Side effects
Drug class: Selective immunosuppressants

Related treatment guides

Urticaria
Asthma, Maintenance
Nasal Polyps
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