Tinea: Difference between revisions
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==Background== | ==Background== | ||
*Infection caused by dermatophytes that feed on keratin | *Infection caused by dermatophytes that feed on keratin | ||
===Types=== | |||
{{Tinea types}} | |||
==Diagnosis== | ==Diagnosis== | ||
Revision as of 08:22, 18 February 2015
Background
- Infection caused by dermatophytes that feed on keratin
Types
Tinea Types
- Tinea capitis (head)
- Tinea corporis (body)
- Tinea pedis (foot)
- Tinea cruris (groin)
Diagnosis
- Scaly, variable pruritus
- Corporis: ring appearance w/ central clearing
- Capitis: patchy alopecia
Differential Diagnosis
- Pityriasis rosea
- Lichen planus
- Psoriasis
- Eczema
- Contact dermatitis
Treatment
- Topical antifungal tx for all except capitis
- Clotrimazole 1% BID x2-3wk
- Must use for 7-10d beyond resolution of lesions
- Capitis
- Griseofulvin 20-25mg/kg/d or BID
- Usually requires 8wk of tx
- Selenium or ketoconazole shampoos are adjunct tx
- Okay for child to go to school
- Griseofulvin 20-25mg/kg/d or BID
- Kerion
- Cephalexin 40mg/kg/d in 4 divided doses in addition to systemic antifungal tx