Effects of azatadine, terfenadine, and astemizole on allergen-induced nasal provocation.

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Small P, Barrett D, Biskin N

Effects of azatadine, terfenadine, and astemizole on allergen-induced nasal provocation.

Ann Allergy. 1990 Feb;64(2 Pt 1):129-31.

PubMed ID
1968324 [ View in PubMed
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Abstract

Fifty-six patients with ragweed seasonal rhinitis were challenged intranasally with ragweed. A clinical score (0-12)--including measurements of rhinomanometry, secretions, and sneezes--was generated. Each patient then received either azatadine (A), terfenadine (T), astemizole (AS), or nothing (control), for 1 week. Repeat challenges revealed changes in clinical score with A 3.6 (P less than .01), AS 3.1 (P less than .02), and T 2.7 (P less than .05). All three antihistamines similarly inhibited the nasal provocation response to ragweed.

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