Non-prescription drugs known as OTC inhaler offer immediate relief from bronchospasms, minor asthma symptoms, and shortness of breath brought on by allergies or other illnesses. Active chemicals like salbutamol or epinephrine, which open up the airways and facilitate breathing, are commonly found in these inhalers. OTC inhalers are a convenient option for those who occasionally have trouble breathing because they don't require a prescription from a doctor. 

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