dexbrompheniramine dexbrompheniramine dexbrompheniramine is an antihistamine with anticholinergic properties used to treat allergic conditions such as hay fever or urticaria. it is the pharmacologically active dextrorotatory isomer of brompheniramine. it was formerly marketed in combination with pseudoephedrine under the name drixoral in the us and canada. it is an alkylamine antihistamine. dexbrompheniramineclinical datatrade namesdrixoril, conex, dixaphedrineahfs/drugs.commultum consumer informationroutes ofadministrationoralatc coder06ab06 (who) legal statuslegal status ca: otc us: otc pharmacokinetic dataelimination half-life25 hoursidentifiers iupac name (3s)-3-(4-bromophenyl)-n,n-dimethyl-3-pyridin-2-yl-propan-1-amine cas number132-21-8 ypubchem cid16960iuphar/bps7588drugbankdb00405 ychemspider16068 yunii75t64b71rpchebichebi:59269 ychemblchembl1201287 ncomptox dashboard (epa)dtxsid8022905 echa infocard100.004.595 chemical and physical dataformulac16h19brn2molar mass319.246 g·mol−13d model (jsmol)interactive image smiles brc1ccc(cc1)(c2ncccc2)ccn(c)c inchi inchi=1s/c16h19brn2/c1-19(2)12-10-15(16-5-3-4-11-18-16)13-6-8-14(17)9-7-13/h3-9,11,15h,10,12h2,1-2h3/t15-/m0/s1 ykey:zdignsyaachwnl-hnnxbmfysa-n y ny (what is this?) (verify) dexbrompheniramine is a first generation antihistamine that reduces the effects of the neurotransmitter histamine in the body; sneezing, itching, watery eyes, and runny nose. interactions mao inhibitors within 14 days. mao inhibitors include isocarboxazid, linezolid, phenelzine, rasagiline, selegiline, and tranylcypromine. potassium drinking alcohol can increase side effects of dexbrompheniramine.