What type of medication is referred to as a rescue medication?

A rescue medication is one that provides rapid relief from acute symptoms, particularly in conditions such as asthma. Inhaled bronchodilators designed for immediate asthma relief work quickly to relax the muscles of the airways, leading to an increase in airflow and easing the symptoms of an asthma attack or exacerbation. This swift action makes them essential for individuals experiencing sudden shortness of breath or wheezing.

Other types of medication mentioned, such as long-acting bronchodilators, antihistamines, and corticosteroids, serve different purposes. Long-acting bronchodilators are intended for maintenance treatment over a longer period rather than immediate rescue. Antihistamines are effective for managing allergy symptoms but do not provide the fast relief needed for asthma attacks. Corticosteroids are used to reduce inflammation over time but do not act quickly enough to be categorized as rescue medications.

Thus, the definition and purpose of a rescue medication align specifically with inhaled bronchodilators used for immediate asthma relief.