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. 2021 Feb;38(2):62–67. doi: 10.12788/fp.0087

TABLE 4.

Psychotropics With High Relative Lethality for a 30-Day Supply26

Psychotropics Human Equivalent Dose Relative Lethality, %
Antidepressants
 Doxepin 632.7
 Amitriptyline 387.5
 Nefazodone 319.6
 Imipramine 304.9
 Desipramine 290.6
 Bupropion 289.4
 Trazadone 269.6
 Levomilnacipran 156.3
 Duloxetine 133.3

Mood stabilizers
 Valproic acid 1,665.7
 Lithium 1,062.9
 Lamotrigine 604.9
 Carbamazepine 253.5

Antipsychotics
 Chlorpromazine 1,710.4
 Clozapine 1,111.6
 Quetiapine 124.0