nonseasonal allergic rhinitis

nonseasonal allergic rhinitis
perennial rhinitis allergic rhinitis that may occur continuously or intermittently all year round; it is caused by an allergen to which the individual is more or less always exposed, such as house dust, danders, and food, and is characterized by sudden attacks of sneezing, swelling of the nasal mucosa with a profuse watery discharge, itching of the eyes, and lacrimation. Called also atopic r. Cf. hay fever.

Medical dictionary. 2011.

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