Quick relief Rescue inhalers allow a person having an asthma attack to inhale their medication. When inhaled, the medication relaxes the muscles in the airways. This causes the airways to widen, reducing breathing difficulties.
Rescue inhalers release a class of drug known as a bronchodilator, which widens or dilates the bronchioles, the body's airways. These symptoms are relieved with a rescue inhaler, which releases a drug that widens the airways. By doing so, the person is able to breathe normally again and recover from the attack.
Before working out, someone with asthma may use a rescue inhaler to avoid an attack. If their symptoms are getting worse, someone with chronic obstructive pulmonary disease (COPD) may also benefit from utilising a rescue inhaler. COPD makes breathing difficult, similar to asthma.
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