Derm Flashcards
1
Q
Mx impetigo
A
- Flucloxacillin 500mg QID for 7 days
(Trimethoprim + Sulfamethoxazole 160/800mg BD for 3 days - penicillin allergy)
- Topical Mupirocin 2% TDS for 5 days
2
Q
Seborrheic dermatitis (facial, flexure) - mx
A
Hydrocortisone 1% + clotrimazole 1% cream
3
Q
Phytophotodermatitis
A
- phototoxic reaction to contact with certain plants
4
Q
Pompholyx
A
- itchy vesicles, usually on fingers
- lasts weeks, tends to recur
- may be larger vesicles on palms / soles
- can be precipitated by tinea of the feet
5
Q
Adverse effects of roacutane
A
- dry lips, eyes, mucosal lining of nose
- early flare of acne
- chelitis
- sun sensitivity
- impaired night vision
- headache
- lethargy
6
Q
Mx guttate psoriasis
A
- coal tar topical 1% emulsion BD for 1/12
- potent topical corticosteroids - mometasone 0.1% daily for 2/52
- calcipotriol topical daily
- antihistamine for pruritis
7
Q
Erythromelalgia tx (red hot painful extremities)
A
Aspirin 300mg daily
8
Q
Peri-oral dermatitis mx
A
Belongs to rosacea spectrum of disease
- Doxy 50-100mg daily 8/52
9
Q
DDx rosacea
A
- Seborrhoeic dermatitis
- Peri-oral dermatitis
- Acne vulgaris
- Keratosis pilaris
- SLE
10
Q
Triggers associated with worsening rosacea
A
- hot or cold
- wind
- spicy food
- alcohol
- sun exposure
- exercise
- dairy
- certain skin products, makeup, cosmetics
11
Q
Non-pharmacological mx rosacea
A
- inform patient of chronic, intermittent, inflammatory condition
- identify and avoid triggers
- broad spectrum sunscreen
- moisturiser if skin is dry
- avoid abrasive products
- cosmetics with green tint can camouflage erythema
12
Q
DDx atopic dermatitis (eczema)
A
- allergic / irritant dermatitis
- seborrhoeic dermatitis
- psoriasis
- scabies
13
Q
Vitiligo mx options
A
- cosmetic camouflage
- potent topical steroid Diprosone 0.5% cream BD 3/12
- topical pimecrolimus 1% cream BD 3/12
- phototherapy
- do nothing if pt happy to leave alone
14
Q
Erythema multiforme (target lesions) - 3 possible causes
A
- idiopathic
- HSV
- medications
Self limiting, can tx with potent topical steroid
15
Q
Drugs that can cause photosensitivity
A
- oral abx Doxy
- NSAIDs
- roaccutane
- amiodarone
- thiazides
