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Topic: Fexofenadine


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In the News (Fri 18 Dec 09)

  
  Allegra Drug Description - Fexofenadine - HealthScout
Fexofenadine hydrochloride, the active ingredient of ALLEGRA, is a histamine H1-receptor antagonist with the chemical name (±)-4-[1 hydroxy-4-[4-(hydroxydiphenylmethyl)-1-piperidinyl]-butyl]-, -dimethyl benzeneacetic acid hydrochloride.
Fexofenadine hydrochloride is a white to off-white crystalline powder.
Fexofenadine hydrochloride is a racemate and exists as a zwitterion in aqueous media at physiological pH.
www.healthscout.com /rxdetail/1/82/1/main.html   (214 words)

  
 MedlinePlus Medical Encyclopedia: Allergies
Longer-acting antihistamines cause less drowsiness and can be equally effective, and usually do not interfere with learning.
These medications, which require a prescription, include fexofenadine (Allegra) and cetirizine (Zyrtec).
Nasal corticosteroid sprays are very effective and safe for people with symptoms not relieved by antihistamines alone.
www.nlm.nih.gov /medlineplus/ency/article/000812.htm   (1593 words)

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