Tinea Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

What is tinea?

A

Fungal infection from DERMATOPHYTE FUNGUS (ringworm)

Tinia = dermatophyte
Candida = candida
Pityriasis versicolor = malassezia

Tinea given different names depending on where it affects:

tinea pedis = athletes foot

tinea corporis = affets limbs (aka ringworm)

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2
Q

How do you get tinea?

A

Usually caught from infected individual:
- shared towels, skin contact, barefoot changing rooms

Tinea pedis:

  • occlussive footware
  • excessive sweating / exercise
  • diabetes

Use of steroids and immunosuppression.

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3
Q

Presentation of tinea?

Diagnosis?

A
  • acute or gradual onsite
  • usually itchy and inflammed (particularly feet)
  • pedis affects spaces between toes, can be scaly

DIAGNOSIS
clinical
skin scraping can be sent (culture can take months but typical features might be seen on microscopy)

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4
Q

Differential Dx when considering tinea?

A

Tinea pedis:

  • eczema
  • psoriasis
  • contact dermatitis

Tinea corporis:

  • impetigo
  • seborrheic dermatitis
  • psoriasis
  • eczema
  • lichen simplex
  • contact dermatitis
  • pityriasis rosea
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5
Q

Management of tinea?

A

General:

  • dry thoroughly
  • avoid occlusive footwear
  • use sandal in shared shower / changing

TOPICAL

  • OD or BD
  • terbinafine (lamsil)
  • clotrimazole
  • miconazole

ORAL

  • resistant cases
  • terbinafine 250mg for 2 weeks
  • fluconazole 150mg once weekly for 6 weeks
  • itraconazole
  • treat shoes with anti-fungal powder
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