triflupromazine triflupromazine triflupromazine (vesprin) is an antipsychotic medication of the phenothiazine class. among different effects of triflupromazine indication for use of this drug is severe emesis and severe hiccups. due to its potential side effects (triflupromazine has higher risk for side effects than many other antipsychotics) it is not gold standard in antiemetic therapy. triflupromazineclinical dataahfs/drugs.commicromedex detailed consumer informationmedlineplusa600010atc coden05aa05 (who) legal statuslegal status us: ℞-only identifiers iupac name n,n-dimethyl-3-propan-1-amine cas number146-54-3 ypubchem cid5568iuphar/bps4330drugbankdb00508 nchemspider5367 nuniiro16tqf95ykeggd00390 nchebichebi:9711 nchemblchembl570 ncomptox dashboard (epa)dtxsid9023704 echa infocard100.005.158 chemical and physical dataformulac18h19f3n2smolar mass352.42 g·mol−13d model (jsmol)interactive image smiles cn(c)cccn1c2ccccc2sc2ccc(cc12)c(f)(f)f inchi inchi=1s/c18h19f3n2s/c1-22(2)10-5-11-23-14-6-3-4-7-16(14)24-17-9-8-13(12-15(17)23)18(19,20)21/h3-4,6-9,12h,5,10-11h2,1-2h3 nkey:xscgxqmfqxdfcw-uhfffaoysa-n n ny (what is this?) (verify) serious side effects of triflupromazine can be akathisia and tardive dyskinesia as well as the rare, but potentially fatal, neuroleptic malignant syndrome.