rashes Flashcards
A 5-year-old boy presents with superficial erosions and crust in the peri-oral region for 3 days. He is generally well with no recent history of fever, sore throat, nausea, diarrhoea, or changes in appetite or energy level. There is a history of similar eruption in other children at his nursery.
What is the most likely diagnosis?
impetigo
impetigo is a highly contagious and common bacterial infection of the skin and affects young kids with poor hygiene - what is the common organism
staph aureus or strep spp
treat with topical fusidic acid cream
A 12-year-old female presents with dry, itchy skin that involves the flexures in front of her elbows, behind her knees and in front of her ankles. Her cheeks also have patches of dry, scaly skin. She has symptoms of hay fever and has recently been diagnosed with egg and milk allergy. She has a brother with asthma and an uncle and several cousins who have been diagnosed with eczema.
What is the most likely diagnosis? Atopic Dermatitis Psoriasis Irritant Contact Dermatitis Allergic Contact Dermatitis
atopic dermatitis
atopic dermatitis is most commonly referred to as eczema - symptoms
fam history -atopic triad dry falky erythematous pyritic skin flexor surfaces
topical emollients
steroid creams
allergen avoidance
A 22 year old medical student comes to see the GP with a two week history of total body pruritus at night. It is gradually getting more severe and he cannot sleep. He does not notice it during the day. It is worse on his forearms and between his fingers and toes, but he feels itchy all over. He is otherwise fit and well with no known allergies.
What is the best management plan? Oral Fluconazole Topical 0.1% Hydrocortisone Topical 5% Permethrin cream Topical Malathion
topical 5% permethrin
scabies
scabies is highly contagious and caused by sarcoptes scabei
symptoms
whole body itch
worse at night or after hot bath or shower
very contagious
skin to skin
burrows and scaby areas
treatmetn
whole body permethrin 5% - 2 applications 7 days apart
topical malathion 2nd line
Erysipelas is localised skin infection caused by Streptococcus pyogenes.
Streptococcus pyogenes - version of cellulitis
treatment for erysipelas - localised on the cheek normally - sup infection and blistering
The treatment of choice is flucloxacillin.
an elderly patient with lowered immunity (diabetes mellitus) with an elevated, well-demarcated, painful rash
common presentation for erysipelas
