Table 1.

ATC codes for pharmacological treatment of psoriasis and depression extracted from the Swedish Prescribed Drug Register and the number of individuals with psoriasis issued at least one prescription

Medication	ATC codes	n (%)
Topical calcipotriol, combination with betamethasone or ichthammol	D05A: antipsoriatics for topical use	2,629 (57.3)
Dimethylfumarate or acitretin	D05B: antipsoriatics for systemic use	247 (5.4)
Topical corticosteroids III or IV	D07AC: corticosteroids, potent (group III) D07AD: corticosteroids, very potent (group IV)	3,796 (82.8)
Immunosuppressive agents	L04AX03: methotrexate	1,016 (22.1)
Apremilast	L04AA32: apremilast	26 (0.6)
TNF-α inhibitors	L04AB: TNF inhibitors	235 (5.1)
Interleukin inhibitors	L04AC: interleukin inhibitors	37 (0.8)
Calcineurin inhibitors	L04AD01: ciclosporin	55 (1.2)
Antidepressants	N06A: antidepressant drugs*	1,383 (30.2)

^*Including non-selective monoamine reuptake inhibitors, selective serotonin reuptake inhibitors, monoamine oxidase inhibitors, and other antidepressants.