'过敏药' (guò mǐn yào) literally combines '过' (guò, meaning 'excess' or 'beyond'), '敏' (mǐn, meaning 'sensitive' or 'responsive'), and '药' (yào, meaning 'medicine'). Together, it means 'allergy medicine' — medication used to prevent or relieve symptoms caused by allergic reactions, such as sneezing, itching, hives, or swelling. It is a common compound noun in everyday health-related communication.

This term is widely used in pharmacies, clinics, and daily conversation when discussing treatment for seasonal allergies, food sensitivities, or environmental triggers like pollen or dust. While not specifying a particular drug class, it typically refers to antihistamines (e.g., loratadine or cetirizine), but may also include corticosteroid nasal sprays or epinephrine auto-injectors in broader contexts. It’s neutral in register and appropriate for both formal and informal settings.