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An anti-histamine (commonly called a histamine antagonist) is a pharmaceutical drug that inhibits the action of histamine by either blocking its attachment to histamine receptors or inhibiting the enzymatic activity of histidine decarboxylase which catalyzes the transformation of histidine into histamine. Anti-histamines are used for the relief of allergies[1] as well as for their psychoactive effects.
Pharmacology
Anti-histamines have inverse agonistic effects upon histamine receptors.
Examples
Anti-histamines are seen throughout organic chemistry, including psychoactive and anti-allergenic compounds.
See also
References
- ↑ Sicherer, Scott H. M.D., Understanding and Managing Your Child's Food Allergy. Baltimore: The Johns Hopkins University Press, 2006 ISBN 0-8018-8492-6.