How Qvar Is Used to Treat Asthma

Qvar is an asthma-controller medication

Qvar. Photo National Library of Medicine

Qvar, beclomethasone dipropionate, is an asthma controller medication. Like other inhaled steroids such as Flovent or Pulmicort, Qvar is considered first-line treatment to control asthma symptoms when you need to use your rescue inhaler more than twice per week. Qvar is prescribed by itself, but your doctor may have you also take a long-acting beta agonist such as Serevent to prevent asthma symptoms such as:

How It Works

Qvar decreases inflammation and hyper-responsiveness. Through its direct action in the lungs, Qvar makes it less likely your lungs will respond to an asthma trigger.

Additionally, Qvar acts directly on a number of the different parts of the immune system involved in the pathophysiology of asthma:

Decreased inflammation, mucus production, and hyperresponsiveness results in a decrease in your asthma symptoms. While your rescue inhaler can be taken on an as-needed basis, Qvar needs to be used daily to control your chronic asthma symptoms. Qvar should not be used when you develop acute asthma symptoms as it may make your asthma worse.

How It Is Prescribed

Qvar is prescribed in a 40 mcg and 80 mcg metered dose inhaler. Each MDI has 100 doses. Again, in order to be effective, Qvar needs to be taken every day, whether or not you are experiencing symptoms.

Possible Risks and Adverse Effects

While Qvar is normally well tolerated, there is some risk of side effects with Qvar and other inhaled steroids. The adverse effects of Qvar are similar to the adverse effects of other inhaled steroids and will generally decrease with time. Many of the adverse effects of Qvar can also be prevented by following a number of steps.

If any of the adverse effects continue to be bothersome be sure to let your doctor know. If you experience any of the following adverse effects while taking Qvar, let your doctor know right away:

  • Abdominal pain
  • Chest pain
  • Dizziness
  • Hives
  • Tiredness
  • Weakness

How to Use It

Using Qvar correctly is the single most important factor if it is going to improve your asthma symptoms. A large number of asthmatics fail to take their inhaled steroids as prescribed. Using Qvar only when your asthma worsens is not appropriate and not likely to lead good asthma control.

Using Qvar with a spacer increases the amount of medication reaching your lungs and decreases adverse effects. If you do not want to use a spacer, it is very important to learn how to use an MDI appropriately.

When to Call Your Doctor

Call your doctor about your asthma if:

  • Your asthma worsens after taking Qvar
  • Your rescue inhaler no longer relieves your asthma symptoms
  • You use your rescue inhaler more than twice per week
  • Your peak flow is getting worse


Pub Med Health. Beclomethasone Oral Inhalation.

National Heart, Lung, and Blood Institute.  Expert Panel Report 3 (EPR3): Guidelines for the Diagnosis and Management of Asthma

Continue Reading