bentazepam bentazepam bentazepam (also known as thiadipone, tiadipona) is a thienodiazepine which is a benzodiazepine analog. bentazepamclinical datatrade namestiadipona (es)ahfs/drugs.cominternational drug namesroutes ofadministrationoral (tablets)atc coden05ba24 (who) legal statuslegal status us: unscheduled pharmacokinetic datametabolismhepaticelimination half-life2–4 hoursexcretionrenalidentifiers iupac name 5-phenyl-3,4,6,7,8,9-hexahydro-benzothiolodiazepin-2-one cas number29462-18-8 ypubchem cid34592chemspider11248641 yunii66jkk43s1zkeggd03083 ychemblchembl1521495 ncomptox dashboard (epa)dtxsid40897431 echa infocard100.123.659 chemical and physical dataformulac17h16n2osmolar mass296.39 g·mol−13d model (jsmol)interactive image smiles o=c1cn=c(c2=cc=cc=c2)c3=c(n1)sc4=c3cccc4 inchi inchi=1s/c17h16n2os/c20-14-10-18-16(11-6-2-1-3-7-11)15-12-8-4-5-9-13(12)21-17(15)19-14/h1-3,6-7h,4-5,8-10h2,(h,19,20) ykey:aizfeopqvzbngh-uhfffaoysa-n y ny (what is this?) (verify) it possesses anxiolytic, anticonvulsant, sedative and skeletal muscle relaxant properties. peak plasma rates are achieved in around 2,5 hours after oral administration. the elimination half-life is between approximately 2–4 hours. bentazepam is effective as an anxiolytic. a severe benzodiazepine overdose with bentazepam may result in coma and respiratory failure. adverse effects include dry mouth, somnolence, asthenia, dyspepsia, constipation, nausea and drug-induced lymphocytic colitis has been associated with bentazepam. severe liver damage and hepatitis has also been associated with bentazepam. whilst liver failure from bentazepam is considered to be rare, liver function monitoring has been recommended for all patients taking bentazepam.