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Medication Detail

image of medication detailed on this page

Medication Type

Long Term Control, should be taken every day as prescribed

Generic Names


Brand Names

QVAR® RediHaler


An inhaler that is taken every day for long term control of asthma symptoms to prevent irritation and swelling in the airways.


BAI (breath-actuated inhaler)


QVAR® RediHaler cannot be used with a spacer


Adults and children 12 years of age and older: 40 to 320 mcg twice a day, depending on previous therapy (maximum 320 mcg twice daily)

Children 4 to 11 years old: 40 mcg twice a day (maximum 80 mcg twice daily)

Proper Use

  • See instructions for proper use
  • Use every day for best results
  • Shaking is not necessary
  • Prepare inhaler by spraying twice into the air before first use or if not used for >10 days
  • Avoid spraying in face or eyes
  • Exhale fully before bringing inhaler to mouth
  • Place inhaler in mouth, close lips around mouthpiece, and inhale slowly and deeply while pushing down on the top of the canister
  • Patients using a spacer should inhale immediately after spraying medication
  • Remove inhaler and hold breath for approximately 5 to 10 seconds
  • Rinse mouth and throat with water (and spit) after use to prevent mouth or throat infection
  • Do not wash or put inhaler in water; mouth piece may be cleaned with a dry tissue or cloth
  • When the dose counter reaches “20”, the numbers will turn red; this means it is time to get a refill
  • Discard the inhaler when the dose counter displays "0"
For proper inhaler technique visit our inhaler page.


  • Do NOT use this drug to treat an asthma attack.
  • If you have been taking this drug for many weeks, talk with your doctor before stopping. You may want to slowly stop this drug.
  • Avoid being near anyone with chickenpox or measles.
  • Talk with your doctor if you have glaucoma or cataracts, high blood sugar (diabetes), a fast heartbeat, heart disease, high blood pressure, liver disease, soft and brittle bones (osteoporosis), overactive thyroid, seizures, or if you are being treated for any type of infection.
  • Have eye pressure checked after long term use

Common Interactions

This medication may interact with Echinacea and other less common medications.

Tell your doctor and pharmacist about all of your medications and health problems so they can check for any interactions.

Possible Side Effects

Possible side effects include headache, runny nose, and sore throat.

Tell your doctor or seek medical attention if you notice any signs of infection, tremors, racing heartbeat, of trouble breathing.

Proper Storage

  • Store at room temperature.
  • Do not store in a bathroom.
  • Do not puncture canister.
  • Do not store in extreme temperatures, such as in a parked car.
  • Do not use the "float test" to test if canister is empty.
  • Use dose counter to check number of doses remaining in the inhaler.

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