Search results
Results from the WOW.Com Content Network
Allergic rhinitis may be seasonal, perennial, or episodic. [9] Seasonal allergic rhinitis occurs in particular during pollen seasons. It does not usually develop until after 6 years of age. Perennial allergic rhinitis occurs throughout the year. This type of allergic rhinitis is commonly seen in younger children. [43]
Non-allergic rhinitis (NAR) is a condition in which there are symptoms of rhinitis, including rhinorrhea and nasal obstruction, but with negative skin and serum allergy testing results. [7] It can be further categorized into: [citation needed] Non-allergic rhinitis with eosinophilia (NARES) Hormonal rhinitis (such as during pregnancy)
Rhinitis is very common. Allergic rhinitis is more common in some countries than others; in the United States, about 10–30% of adults are affected annually. [12] Mixed rhinitis (MR) refers to patients with nonallergic rhinitis and allergic rhinitis. MR is a specific rhinitis subtype. It may represent between 50 and 70% of all AR patients.
Allergic inflammation is an important pathophysiological feature of several disabilities or medical conditions including allergic asthma, atopic dermatitis, allergic rhinitis and several ocular allergic diseases. Allergic reactions may generally be divided into two components; the early phase reaction, and the late phase reaction.
Sublingual immunotherapy is used to treat allergic rhinitis, often from seasonal allergies, and is typically given in several doses over a 12-week period. [18] It works best when given 12 weeks before the start of the pollen season. [18] The first dose is given by a physician to monitor for any rare reactions or anaphylaxis. [18]
Allergies are common. [10] In the developed world, about 20% of people are affected by allergic rhinitis, [15] food allergy affects 10% of adults and 8% of children, [16] and about 20% have or have had atopic dermatitis at some point in time. [17] Depending on the country, about 1–18% of people have asthma.
Rhinitis medicamentosa (or RM, also known as rebound congestion) is a condition of rebound nasal congestion suspected to be brought on by extended use of topical decongestants (e.g., oxymetazoline, phenylephrine, xylometazoline, and naphazoline nasal sprays) and certain oral medications (e.g., sympathomimetic amines and various 2-imidazolines) that constrict blood vessels in the lining of the ...
A drug allergy is an allergy to a drug, most commonly a medication, and is a form of adverse drug reaction. Medical attention should be sought immediately if an allergic reaction is suspected. An allergic reaction will not occur on the first exposure to a substance.