: Breathe in deeply while pressing the canister, then hold your breath for about 10 seconds.
: Alternatives like Ventolin HFA or Proventil HFA work similarly but may have slightly different counters or mouthpiece designs. 3. How Much Does it Cost?
Prices for a inhaler can vary significantly based on your insurance and where you shop. According to GoodRx :
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: If it’s new or hasn't been used in 2 weeks, spray it 4 times into the air away from your face. Shake it : Shake vigorously for 5 seconds before every puff.