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532 DERM > Derm Pharmacology > Flashcards

Derm Pharmacology Flashcards

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Dermatology Board Prep flashcards
1
Q

How do you treat moist, weeping, exudative skin lesions?

A

Burrows solution to hasten drying and provide soothing relief.
Wet dressings help suppress inflammation through vasoconstriction of superficial vessels and promote drying of lesions and wound debridement.

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2
Q

How do you treat dry dermatitis?

A

Therapeutic agents incorporated into creams or ointments. Provides moisture and relief from pruritis.

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3
Q

When should petroleum jelly be used?

A

Biopsy sites, skin fissures and irritated skin.

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4
Q

Which vehicle is the most potent and provides the most hydration and barrier protection?
Ointments, creams or lotions?

A

Ointments

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5
Q

What classes of corticosteroids should never be used on the face or genitals?

A

Classes I-IV

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6
Q

Which vehicle is the least potent?

Ointments, creams or lotions?

A

Lotions

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7
Q

What is an example of a high potency TCS?

A

Clobetasol

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8
Q

What is an example of a medium potency TCS?

A

Triamcinolone

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9
Q

What is an example of a low potency TCS?

A

Desonide

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10
Q

Low, medium or high potency?

Psoriasis

A

High

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11
Q

Low, medium or high potency?

Lichen planus

A

High

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12
Q

Low, medium or high potency?

Severe hand eczema

A

High

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13
Q 
Low, medium or high potency?
Poison Ivy (severe)
A

High

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14
Q

Low, medium or high potency?

Hyperkeratotic eczema

A

High

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15
Q

Low, medium or high potency?

Chapped feet

A

High

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16
Q 
Low, medium or high potency?
Nummular eczema (severe)
A

High

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17
Q 
Low, medium or high potency?
Atopic dermatitis (resistant adult cases)
A

High

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18
Q

Low, medium or high potency?

Atopic dermatitis

A

Medium

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19
Q

Low, medium or high potency?

Nummular eczema

A

Medium

20
Q

Low, medium or high potency?

Asteototic eczema

A

Medium

21
Q

Low, medium or high potency?

Stasis dermatitis

A

Medium

22
Q

Low, medium or high potency?

Seborrheic dermatits

A

Medium

23
Q

Low, medium or high potency?

Intertrigo (brief course or severe cases)

A

Medium

24
Q

Low, medium or high potency?

Tinea (brief course to control inflammation)

A

Medium

25
Q

Low, medium or high potency?

Scabies (after scabicide)

A

Medium

26
Q

Low, medium or high potency?

Dermatitis on the face

A

Medium

27
Q

Low, medium or high potency?

Dermatitis of the eyelids

A

Low

28
Q

Low, medium or high potency?

Diaper dermatitis

A

Low

29
Q

Low, medium or high potency?

Mild dermatitis

A

Low

30
Q

Low, medium or high potency?

Mild intertrigo

A

Low

31
Q

If the patient is not improving on TCS consider….

A

Non-compliance or contact dermatitis.

32
Q

If a rash worsens while on TCS consider…

A

Fungal or yeast infection.

33
Q

Overuse or repeated use of TCS may cause…

A

Tachyphylaxis.

Reduce the dose and/or dosing interval.

34
Q

Which vehicle absorbs moisture, decrease friction and covers wide areas?
Lotions, creams, powders, oils, emollients, ointments, alcohol foam/spray/gel or liquids

A

Powders

35
Q

Which vehicle has occlusive properties and enhances drug absorption?
Lotions, creams, powders, oils, emollients, ointments, alcohol foam/spray/gel or liquids

A

Oils and emollients

36
Q

Which vehicle provides a cooling, soothing sensation by evaporation while helping exudative lesions to dry?
Lotions, creams, powders, oils, emollients, ointments, alcohol foam/spray/gel or liquids

A

Liquids

37
Q

Which vehicle works best on hair?

Lotions, creams, powders, oils, emollients, ointments, alcohol foam/spray/gel or liquids

A

Alcohol foam/spray/gel

38
Q

How much permethrin does it take to cover the entire body from the neck down on day 1 and day 7?

A

30g for one application. You would need to prescribe a 60g tube.

39
Q

When do you prescribe systemic anti-fungals?

A

Nail or scalp infections

40
Q

How many viral outbreaks a year does a patient need to have before prescribing suppressive therapy?

A

6 outbreaks a year

41
Q

Biologic agents are used to treat what type of skin conditions?

A

Psoriasis, psoriatic arthritis.

42
Q

What are some precautions when prescribing retinoids?

A

PG X
Sexually active women need two forms of birth control
PG test monthly

43
Q
  1. An infant has atopic dermatitis and seborrheic dermatitis with lesions on the forehead and along the scalp line. Which is correct when prescribing a corticosteroid medication to treat this condition?

a. Initiate treatment with 0.1% triamcinolone acetonide (Kenalog lotion)
b. Monitor the infant closely for systemic adverse effects during use
c. Place an occlusive dressing over the medication after application
d. Prescribe 0.05% fluocinonide (Lidex-E Cream) to apply liberally

A 
ANS:       A
Treatment with 0.1% triamcinolone acetonide is appropriate in this case, because it is a class V corticosteroid and may be used on the face and is suggested for use for these conditions. Systemic side effects are rare when topical corticosteroids are used appropriately. Occlusive dressings increase the risk of adverse effects and are not recommended. 0.05% fluocinonide is a class III corticosteroid and should not be used on the face.

REF: Topical Corticosteroids Ranked by Potency/Table 37.1: Suggested Strength of Topical Steroids to Initiate Treatment 37.2 p. 238

44
Q
  1. When recommending an over-the-counter topical medication to treat a dermatologic condition, which instruction to the patient is important to enhance absorption of the drug?

a. Apply a thick layer of medication over the affected area
b. Place an occlusive dressing over the medication
c. Put cool compresses over the affected area after application
d. Use a lotion or cream instead of an ointment preparation

A

ANS: B
Drug absorption may be enhanced up to 10 times with application of occlusive dressings. Applying a thicker layer does not increase skin penetration or effectiveness of a medication. Warm or inflamed skin absorbs medications more readily; cool compresses will decrease absorption. Lotions and creams are not as readily absorbed as ointments, which have occlusive properties.

45
Q
  1. A provider is prescribing a topical dermatologic medication for a patient who has open lesions on a hairy area of the body. Which vehicle type will the provider choose when prescribing this medication?

a. Cream
b. Gel
c. Ointment
d. Powder

A

ANS: B
Gels are an excellent vehicle for use on hairy areas of the body. Creams and ointments are not recommended for hairy areas. Powders should be avoided in open wounds.

46
Q

What is the max duration to use high potency TCS?

A

Less than 2 weeks

47
Q

When prescribing topical glucocorticoids to treat inflammatory skin conditions, the primary care pediatric nurse practitioner will

A. initiate therapy with a high ­potency glucocorticoid.
B. order lotions when higher potency is necessary.
C. prescribe brand ­name preparations for consistent effects.
D. use fluorinated steroids to minimize adverse effects.

A

ANS: C

532 DERM (8 decks)

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