Definition: Allergic rhinitis that occurs at the same time every year. It is characterized by acute CONJUNCTIVITIS with lacrimation and ITCHING, and regarded as an allergic condition triggered by specific ALLERGENS.
Synonyms (terms occurring on more labels are shown first): seasonal allergic rhinitis, hay fever, hayfever, seasonal allergy, hay-fever, seasonal allergies
More information: PubMed search and possibly Wikipedia