"In the largest, most comprehensive, nationwide study to examine the prevalence of allergies from early childhood to old age, scientists from the National Institutes of Health report that allergy prevalence is the same across different regions "...
(Generic versions may still be available.)
Antigen challenge studies performed two and four hours after initial drug instillation indicated activity was maintained for at least two hours.
In an environmental study, LIVOSTIN™ 0.05% (levocabastine hydrochloride ophthalmic suspension) instilled four times daily was shown to be significantly more effective than its vehicle in reducing ocular itching associated with seasonal allergic conjunctivitis. After instillation in the eye, levocabastine is systemically absorbed. However, the amount of systemically absorbed levocabastine after therapeutic ocular doses is low (mean plasma concentrations in the range of 1-2 ng/mL).
Last reviewed on RxList: 6/11/2012
This monograph has been modified to include the generic and brand name in many instances.
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