Tinea
Background
- Fungal infection caused by dermatophytes that feed on keratin
Tinea Types
- Tinea capitis (head)
- Tinea corporis (body)
- Tinea pedis (foot)
- Tinea cruris (groin)
Tinea Corporis
Tinea Capitis
Clinical Features
Differential Diagnosis
Evaluation
- Clinical diagnosis with Wood's lamp
- Kerion
- Painful, itchy, eczematous
- Hair loss
- Fever, malaise
- Lymphadenopathy
Management
- Topical antifungal treatment for all except tinea capitis
- Terbinafine 1% BID x2-3wk
- 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 treatment
- Terbinafine for 2-4 weeks is as effective of 6-8 weeks of griseofulvin[1]
- 62.5mg/day in children <20kg
- 125mg/day in children 20-40kg
- 250mg/day in children >40kg[2]
- Selenium sulfide or ketoconazole shampoos are adjunct treatment
- Okay for child to go to school
- Griseofulvin 20-25mg/kg/d or BID
- Kerion[3]
- Oral griseofulvin, itraconazole, or terbinafine for 6-8 wks
- Cephalexin 40mg/kg/d in 4 divided doses in addition to systemic antifungal treatment if there is evidence or high risk of bacterial secondary infection
- Ketoconazole shampoo, isolated towels decrease spread to household members
Disposition
- Discharge
See Also
References
- Fleece D, Gaughan JP, Aronoff SC. Griseofulvin versus terbinafine in the treatment of tinea capitis: a meta-analysis of randomized, clinical trials. Pediatrics. 2004;114(5):1312-1315. doi:10.1542/peds.2004-0428
- Andrews MD, Burns M: Common tinea infections in children. Am Fam Physician 2008;77(10):1415-1420.
- Gnanasegaram M. Kerion. DermNet NZ. 2012. http://www.dermnetnz.org/fungal/kerion.html
This article is issued from Wikem. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.