LYCOS RETRIEVER 
Rhinitis: Nasal
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Researchers presented two randomized, double-blind, placebo-controlled trials of the effect of FFNS 110 mcg once daily on nasal and eye symptoms in patients with seasonal allergic rhinitis. The results of the studies were detailed in four poster presentations.
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Both forms of rhinitis can sometimes be helped by nasal sprays or injections of corticosteroids to reduce the symptoms. Long-term use of spray corticosteroids can have the backlash of causing irritation, burning and sores in the nose and making the membranes dependent on them so they will not function properly on their own.
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A useful laboratory test in allergic rhinitis is to take a nasal mucus sample and test for white blood cells called eosinophils using Hansel’s Stain. If plenty of eosinophilic white blood cells are present, this helps to confirm the diagnosis of allergic rhinitis.
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Some investigators prefer the term rhinosinusitis to the separate terms rhinitis and sinusitis. This is because, as just mentioned, rhinitis and sinusitis frequently occur together; rhinitis commonly leads to sinusitis; nasal symptoms are common with sinusitis; and the nose and sinus mucosa are contiguous.
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The most common diagnostic tests for allergic rhinitis are the percutaneous skin test and the allergen-specific immunoglobulin E (IgE) antibody test. Less common diagnostic tools include nasal provocation testing, nasal cytology (e.g., blown secretions, scraping, lavage, biopsy), nasolaryngoscopy, and intradermal skin testing. The WHO report
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Nasal