Tinea corporis (mycosis)

Initially follicularly bound pustules, which in the course of time become progressive in size and become erythematous, sharply demarcated, marginally accentuated, pruritic, scaly plaques and asbcending nodules. In severe dissemination, land-map-like figures develop.
Especially in immunosuppressed patients, necrosis may also occur.
Chronic tinea corporis is often persistent in body folds.
Majocchi granuloma --> Tinea corporis involving the hair follicles and producing pustules and nodules.
More common: Tinea imbricata, originates in Asia and produces small brownish-red ringworm.

General measures

If zoophilic dermatophytes are detected, all animals with which there has been contact should be examined.
Examination of other persons in the household.
Therapy should be administered with both topical and systemic antifungal agents!

Topical therapy

Supportive shampoos

Shampoo containing ketoconazole: leave on for 5- 10 minutes. Repeat on the 2 following days.
Ciclopirox-containing shampoo: leave on for 5- 10 minutes. Repeat on the 2 following days.

Systemic therapy

Itraconazole p.o. 200 mg 1x/day for 1 week
Alternatively: fluconazole p.o. 150-200 mg 1x/week for 2-4 weeks
Alternative: Terbinafine p.o. 250 mg 1x tgl. for 2 weeks.
Alternatively: Griseofulvin p.o. 500 mg 2x tgl. (not commercially available in Switzerland) for 2-4 weeks.
Children: Although only griseofulvin is approved for children, we rather recommend the use of itraconazole with regard to the data.
Therapy should be continued for about 1 month beyond clinical healing --> ↓ recurrences.

Differential diagnoses