Description
Cetirizineisasecondgenerationantihistaminethatexhibitsanti-inflammatory,immunomodulatory,andanti-allergicactivities.CetirizineinhibitshistamineH1receptorsandisusedtotreatdermatitisinclinicalsettings.Invitro,cetirizineinhibitsDNAbindingactivityofNF-κB,inhibitsexpressionofadhesionmoleculesonimmunocytesandendothelialcells,andinhibitsproductionofIL-8andleukotrieneB4(LTB4);thiscompoundalsoincreasesreleaseofprostaglandinE2(PGE2),whichsuppressesantigenpresentationandexpressionofMHCIIonmacrophagesanddecreasestryptaseinmastcells.