* Plasma monitoring for TCA's is advisable, because of plasma-reponse relations, genetic polymorphism and under/or overdosing.<ref><ref name="TDM mononografiePlasma monitoring of TCA's">{{cite web |url=[http://tdm-monografie.org/monografie/tca-tricyclische-antidepressiva}}(dutch) monografie.org tricyclische-antidepressiva]</ref><noinclude><references /></noinclude>