Quesmed Qs Flashcards
skin change identified with mild acne vulgaris
comedones
what are comedones
dilated sebaceous follicles in the skin - can be open or closed - due to the accumulation of bacterial and cellular debris
they are non-inflammatory lesions
what skin changes are identified in moderate severe acne vulgaris
papules, nodules, pustules
what can exacerbate psoriasis
beta blockers, stress
what can exacerbate psoriasis
beta blockers, stress,
what can relieve psoriasis
sun exposure
what is the treatment for psoriasis
> all patients should use an emollient to reduce scale and itch
1st: potent topical corticosteroid od, and topical vitamin D
2nd: stop the corticosteroid, apply topical vitamin D 2d
3rd: stop the topical vitamin D, apply potent topical corticosteroid 2d
> dithranol + tar are alternatives
phototherapy = narrowband UVB phototherapy
systemic = methotrexate, ciclosporin
biologics = infliximab, etanercept, adalimumab
what is psoriasis
a chronic autoimmune disease characterised by well-demarcated erythematous, scaly plaques
what is psoriasis
a chronic autoimmune disease characterised by well-demarcated erythematous, scaly plaques
what are the 5 types of psoriasis
chronic plaque (most common): affects extensor surfaces
flexural: affects flexures and skin folds
guttate psoriasis: multiple small, tear drop shaped erythematous plaques that occur in the trunk after a streptococcal infection in young adults
pustular psoriasis: petechiae and pustules on the palms and soles
generalised: rare but serious
what is erythema nodosum
a lymphocytic vasculitis that mainly affects women
can be caused by drug reactions, sarcoidosis, streptococcal infections and viral/chlamydial infections
appears painful, palpable, dusky blue red lesions on the lower legs
what is Henoch-Schonlein purpura
it is a vasculitis disorder that results in a purpuric rash, abdominal pain and arthralgia
what is cellulitis
bacterial infection of the skin involving deep subcutaneous tissue
risk factors for cellulitis include: DM, obesity, immunodeficiency, venous disease and minor skin injury
initially presents with systemic upset followed by localised, erythematous, swollen area of skin which is tender
is often unilateral and caused by Staph. Aureus and Strept. pyogenes
what is staphylococcal scalded skin syndrome
is a result of staph aureus infection from an injury
it results in large blisters that cover most of the skin that eventually burst and is extremely painful