During previous clinical studies, Proair HFA started working within 8.2 minutes, and the effects of Proair HFA lasted for three hours on average. Studies have also shown that taking Proair HFA 30 minutes before exercise can help in preventing exercise-induced asthma symptoms.
When and How to Take Proair HFA
Following are some general considerations for when and how to take Proair HFA:
Proair HFA comes in a metered-dose inhaler (called an "MDI").
Some people take Proair HFA only when they need it (during an asthma attack), while others take it regularly to help prevent attacks.
You should "test spray" each Proair HFA inhaler before your first use of it, or if you have not used it for a long period of time. To test spray the inhaler, spray it into the air by pressing on the top of the canister.
Shake your Proair HFA asthma inhaler gently before each use.
Wait at least one minute in between inhalations.
It is important to learn exactly how to use your Proair HFA inhaler. It may be difficult at first and may require practice.
The spray should be inhaled into the lungs, not sprayed onto the back of the throat and swallowed. To accomplish this, you will need to breathe in while spraying the inhaler.
Most people put the mouthpiece of the inhaler directly into their mouths. However, many healthcare professionals now recommend placing the inhaler an inch or two away from the mouth. Talk with your healthcare provider about the best way for you to use the inhaler.
Each inhaler contains 200 sprays. Try to keep track of approximately how many sprays you have used so that you will know when to replace the inhaler. Do not place the inhaler in water to see if it is empty (even though doing so was recommended in the past).
For Proair HFA to work properly, it must be taken as prescribed. Proair HFA will not work if you stop taking it.
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