This document discusses different types of respiratory medications. It provides examples of antibiotics, antihistamines, and decongestants that are commonly used to treat respiratory issues. Antibiotics are used to treat bacterial infections, antihistamines block the effects of histamine during allergic reactions, and decongestants work to reduce stuffiness by shrinking blood vessels in the nasal passages. The document also gives brief overviews of specific drugs for each category, including their classifications, actions, forms, and potential side effects.