OnlineMedEd: Dermatology - "Skin Infections" Flashcards Preview

MS3 - USMLE Step 2 CK > OnlineMedEd: Dermatology - "Skin Infections" > Flashcards

Flashcards in OnlineMedEd: Dermatology - "Skin Infections" Deck (9)
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1
Q

______________ presents as a honey-crusted lesion.

A

Impetigo

2
Q

The treatment for impetigo is __________.

A

mupirocin

Next (for larger infections) is amoxicillin or cephalexin.

3
Q

True or false: impetigo can cause rheumatic fever.

A

False

It can cause PSGN, though.

4
Q

Describe the physical appearance of erysipelas.

A
  • Dark red
  • Indurated
  • Well-defined
5
Q

Review the “ladder” of acne treatment.

A
  • 1st (for mild, non-inflamed acne): topical retinoids
  • 2nd (for inflamed pustules on the face): topical benzoyl peroxide
  • 3rd (for widespread acne): doxycycline/minocycline
  • 4th (for refractory acne): isotretinoin
6
Q

Remember the ____________ before isotretinoin treatment.

A

pregnancy test

7
Q

Go over the names of fungal infections based on location.

A
  • Foot: tinea pedis
  • Groin: tinea cruris
  • Trunk: tinea corporis
8
Q

All kinds of superficial fungal infections except _______________ get treated with topical antifungals.

A

tinea capitis (griseofulvin – think of the GReaSEr’s hair) and onychomycosis (terbinafine –toebinafine)

9
Q

How is the diagnosis and management of fungal infections different for tinea capitis and onychomycosis (compared with tinea cruris/pedis/corporis)?

A

Because onychomycosis and tinea capitis require long-term antifungal treatment, you need to confirm the diagnosis with a KOH prep first. The other fungal infections can be treated empirically.

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