Derm 1 Flashcards

1
Q

Dx for scabies?

A

Skin scrape

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2
Q

Tx for head lice?

A

Topical 1% permethrin

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3
Q

Oral contraceptive use can cause hormonal changes that manifest as what skin condition?

A

Melasma

During pregnancy it’s called Cholasma.

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4
Q

Tx for perioral dermatitis?

What should you definitely not give?

A

Metronidazole or Erythromycin.

Don’t give topical glucocorticoids.

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5
Q

Go to oral antibiotics for suspected MRSA?

A

Bactrim or Doxy

Linezolid is a heavy hitter.

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6
Q

Which burn is painful to air, temp, and touch vs painful only to deep pressure?

A
Superficial partial (2nd) air, temp, and touch. 
Deep partial (2nd) deep pressure only.
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7
Q

Tx for melasma?

A

Sunscreen and avoid sun exposure.

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8
Q

presents with painful, grouped vesicles on the lateral aspect of a finger. It’ss caused by the herpes simplex virus and usually unilateral, in contrast to dyshidrotic eczema, which is characteristically symmetrical and bilateral.

A

Herpetic whitlow

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9
Q

is when lesions appear at the site of mechanical or thermal trauma. This is an isomorphic response that can be observed in psoriasis, vitiligo, and lichen planus. Lichen planus is an inflammatory disease of skin and mucous membranes.

A

Koebner’s sign or phenomenon

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