Hay Fever - Definition
Hay fever is an inflammation of the nasal passages. It is an allergic reaction to substances present in the air. The medical name for hay fever is allergic rhinitis (pronounced ri-NI-tuss).
Hay fever is an inflammation of the nasal passages. It is an allergic reaction to substances present in the air. The medical name for hay fever is allergic rhinitis (pronounced ri-NI-tuss).