Which of the following is classified as an emergency medication?

Emergency medications are specifically intended to provide immediate treatment for severe or life-threatening conditions. Asthma rescue inhalers, such as albuterol, are vital for providing rapid relief during acute asthma attacks by dilating the airways, allowing for easier breathing. Epi-pens are similarly crucial for treating anaphylactic reactions, which can occur due to severe allergies. The quick administration of these medications can be lifesaving.

In contrast, the other options do not serve the same purpose as emergency medications. Antibiotics are used to treat infections but are not effective in acute situations requiring immediate attention. Pain relievers, while helpful for managing pain, do not address urgent health crises. Antidepressants are often used for long-term management of mood disorders but are not appropriate for emergency situations. Thus, the emphasis on the immediacy and necessity of asthma rescue inhalers and Epi-pens in critical moments solidifies their classification as emergency medications.