Department of Pharmaceutical Sciences, Delhi Pharmaceutical Sciences and Research University, Delhi, India
Review Article
Pharmacogenetics of Second Generation Antihistamines: A Systematic Review
Author(s): Asees Singh*
H1 inverse agonists, more commonly known as anti-histamines, find great everyday use in our lives. They function by
blocking the H1 receptor and not allowing histamine to express its physiological function. They are mostly used for
the treatment of allergies, rhinitis etc. The second generation of this class of drugs is different from the first because
they exist in a zwitterionic form at the physiological pH, thus not crossing the Blood Brain Barrier (BBB) and not
showing CNS symptoms, like drowsiness. This article reviews how the reported genetic variations in the population
alter the pharmacology of these drugs. With rising cases of minor allergies, especially reported in polluted cities like
Delhi, a pharmacogenetic approach to prescribing anti-histamines can lead to better and more targeted treatment of
the symptoms. The paper covers bot.. View more»