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Medication Detail

image of medication detailed on this page

Medication Type

Long Term Control

Generic Names


Brand Names



An injection to treat moderate to severe, persistent asthma not controlled with other long acting medications, such as inhaled corticosteroids. It works over a few months to prevent the body's reaction to allergens.


Injection under the skin


Adults and children ≥ 12 years: The usual dose is 30 mg given as 1 injection under the skin every 4-8 weeks

Proper Use

Given as a shot into the fatty part of the skin every 4-8 weeks.


  • Do NOT use this medication to treat an asthma attack
  • Allergic reactions to this medication have been reported
  • Your doctor will tell you how long you need to stay after each injection
  • Do not stop taking your other asthma medications or reduce their doses without your doctor's approval
  • Pregnant women should talk with their doctor about the risks and benefits of using this medication

Common Interactions

This drug has no common interactions, but less common interactions exist.

Possible Side Effects

  • Bruising, redness, pain, or irritation where the shot is given.
  • Headache and fever
  • Severe allergic reactions have been seen with this medication.
  • Tell your doctor or get medical help if you notice any sign of an allergic reaction (rash, itching, wheezing, tightness in the chest or throat, trouble breathing, swelling of the mouth, face, lips tongue, or throat, feeling faint) or if you have a fever or joint pain.

Proper Storage

This drug will be given to you in a hospital or doctor’s office. You will not store it at home.

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