Rhinitis, Allergic, Perennial
Inflammation of the mucous membrane of the nose similar to that found in hay fever except that symptoms persist throughout the year. The causes are usually air-borne allergens, particularly dusts, feathers, molds, animal fur, etc.
Year introduced: 1980
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Subheadings:
Tree Number(s): C08.460.799.315.500, C08.674.453.500, C09.603.799.315.500, C20.543.480.680.443.500
MeSH Unique ID: D012221
Entry Terms:
- Rhinitis, Allergic, Nonseasonal
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