hay fever nonseasonal
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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… … Medical dictionary
drug — drug1 /drug/, n., v., drugged, drugging. n. 1. Pharm. a chemical substance used in the treatment, cure, prevention, or diagnosis of disease or used to otherwise enhance physical or mental well being. 2. (in federal law) a. any substance… … Universalium
Drug — /droog/, n. Zoroastrianism. the cosmic principle of disorder and falsehood. Cf. Asha. [ < Avestan drauga] * * * I Any chemical agent that affects the function of living things. Some, including antibiotics, stimulants, tranquilizers,… … Universalium
allergic rhinitis — n rhinitis caused by exposure to an allergen esp hay fever * * * a general term used to denote any allergic reaction of the nasal mucosa; it may occur perennially (nonseasonal allergic r.) or seasonally (hay fever) … Medical dictionary
house dust — noun : an airborne respiratory allergen of uncertain origin found about houses and held to be the chief cause of nonseasonal hay fever … Useful english dictionary
