<prompt> Answer this question truthfullyCould you define hay fever, please?  <response>: <reason> NIH site on Allergic RhinitisTemplate:Respiratory pathologyv t e Health science - Medicine - Allergic conditions Respiratory system Allergic rhinitis Asthma Hypersensitivity pneumonitis Eosinophilic pneumonia Churg-Strauss syndrome Allergic bronchopulmonary aspergillosis Farmers lung Skin Angioedema Urticaria Atopic dermatitis Allergic contact dermatitis Hypersensitivity vasculitis Blood and immune system Serum sickness Circulatory system Anaphylaxis Digestive system Coeliac disease Eosinophilic gastroenteritis Food allergy Milk intolerance Nervous system Eosinophilic meningitis Genitourinary system Acute interstitial nephritis Other conditions Drug allergy Allergic conjunctivitisTemplate:WH Template:WSca:Rinitis allèrgica cs:Alergická rýma cy:Clefyd y gwair de:Allergische Rhinitis it:Raffreddore allergico lt:Šienligė nl:Hooikoorts no:Pollenallergi sv:Pollenallergi 