ketotifen(redirected from Zaditor)
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a noncompetitive H1-receptor antagonist and mast cell stabilizer; used as the fumarate salt, administered orally in the chronic treatment of children with mild atopic asthma and topically to the conjunctiva as an antipruritic in the treatment of allergic conjunctivitis.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
ketotifenA drug that prevents the release of HISTAMINE and other irritating substances from MAST CELLS in allergic conditions. Its action is similar to that of CROMOGLYCATE (cromoglicate) but has the disadvantage of causing drowsiness. A brand name is Zaditen.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005
Any substance that reduces the effect of histamine or blocks histamine receptors, usually the histamine 1 (H1) receptor. It is used in the treatment of allergic conjunctivitis and also in the temporary relief of minor allergic symptoms of the eye. Common agents include antazoline sulfate, azelastine hydrochloride, cetirizine, chlorphenamine, emedastine, epinastine hydrochloride, ketotifen, levocabastine, loratadine and olopatadine. See hypersensitivity; mast cell stabilizers.
Millodot: Dictionary of Optometry and Visual Science, 7th edition. © 2009 Butterworth-Heinemann