Guidelines for ATC classification and DDD assignment - WHOCC

D10AB Preparations containing sulfur
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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
D10AE Peroxides
All retinoids for topical use should be classified in D10AD.
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.
D10AX Other anti-acne preparations for topical use
D10B ANTI-ACNE PREPARATIONS FOR SYSTEMIC USE
This group comprises drugs for systemic use in the treatment of acne.
Antibiotics, such as tetracyclines and erythromycin, which are also used
for the treatment of acne, are classified in group J.
Combinations of e.g. estrogen and antiandrogen, used for the treatment
of acne, are classified in group G03 - Sex hormones and modulators of
the genital system.
D10BA Retinoids for treatment of acne
Retinoids used in severe psoriasis are classified in D05BB, whereas
alitretinoin used for hand eczema is classified in D11A.