Psoriasis Flashcards
Drugs, which can cause psoriasis
Beta-blockers, lithium, anti-malarials, withdrawal of topical or systemic steroids
What type of psoriasis may follow strep throat?
Guttate psoriasis
-usually occurs 7-10 days later
What is auspitz’ sign?
When you remove scale and then you get pinpoint bleeding (seen in chronic plaque psoriasis)
Treatment for scalp psoriasis
Olive oil
Tar shampoos
Tar/ salicylic acid ointment e.g. cocois
Treatment of guttate psoriasis
Treatment similar to chonic plaque psoriasis - phototherapy often required
How does flexural psorasis differ from normal psoriasis?
Scale not a prominent feature
Treatment of flexural psoriasis
Mild topical steroid/antifungal preparations
e.g. trimovate cream, canesten cream
What has a strong association with palmoplantar pustolosis?
Smoking
What might cause erythrodermic psoriasis?
Withdrawal of potent topical steroid or systemic steroids, drug reactions, ultraviolet burns etc
Comlications of erythrodermic psoriasis?
Hypothermia, cardiogenic shock, dehydration, anaemia, hypoproteinaemia
Treatment of erythrodermic psoriasis
Fluid balance, bed rest, emollients, systemic immunosuppressants
Conditions associated with psoriasis?
Arthritis.
Psoriasis patients have a higher incidence of obesity, diabetes, metabolic syndrome, heart disease and stroke
Burns normal skin
Stains clothing and bedding purple
Dithranol
When can you use dithranol?
Can only use on stable plaque psoriasis
When must you avoid steroids?
Must never use potent topical steroids on generalised psoriasis - risk of rebound flare-up
