Doxepin, 3-(6,11-Dihydrodibenz[b,e]oxepin-11-ylidene)-N,N-dimethylpropylamine, C19H21NO, M 279,37 g/mol
Tricyclic Antidepressant, first synthetisized in 1962. Half-life 11-19 hours (Metabolite Nordoxepine 40 hours)
Trade marks: Aponal®, Desidox®, Doneurin®, Mareen®, Sinquan®
Treatment of depression, anxiety, sleep disturbances.
Strong anticholinergic side effects (tachycardie, hypotension) up to pharmacogenic delir. do not use during pregnancy or lactation period.
Strong interaction with MAO inhibitors.
Determination of Doxepine by HPLC/DAD. Therapeutic blood level 0,01-0,2 µg/ml, Metabolite Nordoxepine 0,05-0,15 µg/ml.