Tinea: Difference between revisions

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==Diagnosis==
==Diagnosis==
[[File:TineaCorp.jpg|thumb|Tinea Corporis]]
[[File:TineaCapit-001.jpg|thumb|Tinea Capitis]]
*Scaly, variable pruritus
*Scaly, variable pruritus
*Corporis: ring appearance w/ central clearing
*Corporis: ring appearance w/ central clearing
*Capitis: patchy alopecia
*Capitis: patchy alopecia
[[File:TineaCorp.jpg|center|frame|500px|Tinea Corporis]]
[[File:TineaCapit-001.jpg|center|frame|500px|Tinea Capitis]]


==Differential Diagnosis==
==Differential Diagnosis==

Revision as of 08:21, 18 February 2015

Background

  • Infection caused by dermatophytes that feed on keratin
  • Variations
    • Tinea capitis
    • Tinea corporis
    • Tinea pedis
    • Tinea cruris

Diagnosis

Tinea Corporis
Tinea Capitis
  • 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
  • Kerion
    • Cephalexin 40mg/kg/d in 4 divided doses in addition to systemic antifungal tx

Source

See Also