Guidelines for ATC classification and DDD assignment - WHOCC

D04AX Other antipruritics
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This group comprises ointments, creams, liniments etc. containing e.g.
camphora, menthol, calamine. Crotamiton is classified here. When
classifying products in this group, alternative groups should be
considered, e.g.:
D02 - Emollients and protectives
D08 - Antiseptics and disinfectants
M02 - Topical products for joint and muscular pain
D05 ANTIPSORIATICS
D05A ANTIPSORIATICS FOR TOPICAL USE
D05AA Tars
This group comprises products for topical use mainly for the treatment
of psoriasis. Corticosteroids for topical use are classified in D07 -
Corticosteroids, dermatological preparations.
All tar preparations for dermatological use are classified in this group,
except for combinations with corticosteroids.
D05AC Antracen derivatives
D05AD Psoralens for topical use
D05AX Other antipsoriatics for topical use
Corticosteroids in combination with vitamin D analogues indicated only
for the treatment of psoriasis are classified in D05AX.
D05B ANTIPSORIATICS FOR SYSTEMIC USE
This group comprises drugs for systemic use against psoriasis.
Antineoplastic agents, sometimes used in severe psoriasis, are classified
in group L - Antineoplastic and immunomodulating agents.