Tell your healthcare provider right away if you have rash; chest pain; shortness of breath; or a feeling of pins and needles or numbness of your arms or legs. Fever, muscle aches, and rash.
If you have any of these symptoms, tell your healthcare provider. Parasitic infection. Your healthcare provider can test your stool to check if you have a parasite infection. Heart and circulation problems. Some people who receive XOLAIR have had chest pain, heart attack, blood clots in the lungs or legs, or temporary symptoms of weakness on one side of the body, slurred speech, or altered vision.
It is not known whether these are caused by XOLAIR The most common side effects of XOLAIR: In adults and children 12 years of age and older with asthma: joint pain especially in your arms and legs, dizziness, feeling tired, itching, skin rash, bone fractures, and pain or discomfort of your ears. In children 6 to less than 12 years of age with asthma: swelling of the inside of your nose, throat, or sinuses, headache, fever, throat infection, ear infection, abdominal pain, stomach infection, and nose bleeds.
Histamine is a chemical in the body that causes inflammation, leading to hives and itching associated with CSU. IgE is a substance made by the body that attaches to receptors on mast cells, triggering them to release histamine and other inflammatory substances under certain conditions.
Severe allergic reaction. The reaction can occur after the first dose, or after many doses. Anaphylaxis is a life-threatening condition and can lead to death. Go to the nearest emergency room right away if you have any of these symptoms of an allergic reaction:.
Your healthcare provider will monitor you closely for symptoms of an allergic reaction while you are receiving XOLAIR and for a period of time after treatment is initiated. It is important this medication be given exactly as prescribed by your doctor. If you miss an appointment to receive omalizumab, contact your doctor as soon as possible to reschedule your appointment.
Store this medication in the refrigerator in its original package, protect it from light, and avoid freezing it. Do not shake. Once the medication has been prepared, the solution should be used immediately. Keep it out of the reach of children. Do not dispose of medications in wastewater e. Ask your pharmacist how to dispose of medications that are no longer needed or have expired.
Do not use this medication if you are allergic to omalizumab or any ingredients of the medication. Many medications can cause side effects. A side effect is an unwanted response to a medication when it is taken in normal doses.
Side effects can be mild or severe, temporary or permanent. The side effects listed below are not experienced by everyone who takes this medication. If you are concerned about side effects, discuss the risks and benefits of this medication with your doctor. Many of these side effects can be managed, and some may go away on their own over time.
Contact your doctor if you experience these side effects and they are severe or bothersome. Your pharmacist may be able to advise you on managing side effects. Although most of the side effects listed below don't happen very often, they could lead to serious problems if you do not check with your doctor or seek medical attention. Stop taking the medication and seek immediate medical attention if any of the following occur:. Some people may experience side effects other than those listed.
Check with your doctor if you notice any symptom that worries you while you are taking this medication. Before you begin using a medication, be sure to inform your doctor of any medical conditions or allergies you may have, any medications you are taking, whether you are pregnant or breast-feeding, and any other significant facts about your health.
These factors may affect how you should use this medication. Acute asthma attacks: Omalizumab will not help to stop an asthma attack and should not be used to treat an acute asthma attack. If you start developing an asthma attack, be sure to use your "reliever" medication for rapid relief of your asthma symptoms. Contact your doctor immediately if you find you are using your "reliever" medications e. Cancer: Although early studies comparing those taking this medication and those not taking this medication showed a small difference in the percentage of people developing cancer, additional observation and studies have shown that this is not the case.
Sign up for our Health Tip of the Day newsletter, and receive daily tips that will help you live your healthiest life. Thomson NC, Chaudhuri R. Omalizumab: clinical use for the management of asthma. Xolair Web Site. Xolair Prescribing Information. Your Privacy Rights. To change or withdraw your consent choices for VerywellHealth. At any time, you can update your settings through the "EU Privacy" link at the bottom of any page.
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