hay fever 
noun [mass noun]
An allergy caused by pollen or dust in which the mucous membranes of the eyes and nose are inflamed, causing running at the nose and watery eyes.Rhinitis is a symptom of the common cold and of hay fever....
- Identical questions were asked about asthma, hay fever, and respiratory symptoms at each survey.
- Sneezing, a blocked or runny nose and itchy eyes are common symptoms of hay fever, also called seasonal allergic rhinitis.
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