Asthma inhalers can be for quick relief or long-term control. Rescue inhalers work by relaxing your airway muscles to help you breathe better. People with chronic asthma may need a daily inhaler to ...

How Supplied Proair HFA (albuterol sulfate) Inhalation Aerosol is supplied as a pressurized aluminum canister with a red plastic actuator with a dose counter and white dust cap each in boxes of one.