Postal address:
WHO Collaborating Centre for Drug Statistics Methodology
Norwegian Institute of Public Health
P.O.Box 4404 Nydalen
0403 Oslo

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0473 Oslo

Tel:  +47 21 07 81 60
Fax: +47 21 07 81 46

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Most of the drugs in this group are preparations for topical use. Some few preparations for systemic use with clear dermatological applications, e.g. griseofulvin (antimycotic), retinoids (for treatment of acne) and psoralens and retinoids (for treatment of psoriasis) are classified in this group.

Only oral preparations in ATC group D are given DDDs. Most products in this group are for topical use, and no DDDs are assigned because the amount given per day can vary very much according to the intensity and distribution of the disease. Consumption figures for these dermatological preparations can be expressed in grams of preparations regardless of strength.


The DDDs are based on the treatment of severe acne.


This group comprises all topical preparations used specifically in the treatment of acne, incl. preparations with antibiotics, corticosteroids etc.

D10AA Corticosteroids, combinations for treatment of acne

Only combined corticosteroid preparations specifically used in the treatment of acne are classified in this group. Other dermatological corticosteroid preparations are classified in D07 - Corticosteroids, dermatological preparations.

Combinations with retinoids are classified in D10AD.

D10AB Preparations containing sulfur

Preparations, which contain sulfur in addition to a sulfur derivative, should be classified at the 5th level of the derivative.

The products may contain other active ingredients such as resorcinol.

D10AD Retinoids for topical use in acne

All retinoids for topical use are classified in D10AD.

D10AE Peroxides

Combinations with antiinfectives are classified in D10AF.

D10AF Antiinfectives for treatment of acne

This group comprises antibiotics for topical use with acne as the main indication.
Other topical antiinfectives are classified in D06 - Antibiotics and chemotherapeutics for dermatological use.

Combinations with retinoids are classified in D10AD.

D10AX Other anti-acne preparations for topical use

Last updated: 2013-12-19