Dermatology Flashcards
Distribution of eczema with age
Infants: face + trunk Older children: flexor + friction surfaces
Complications of eczema
Infection with staph or strep Infection with HSV leading to eczema herpeticum
Management of eczema in children
Emollients Corticosteroids Immunomodulators Abx with hydrocortisone
S+S impetigo
Lesions of face, mouth, nose Ulcerating blister with golden crust
Management of impetigo
Cetermide baths Oral flucloxacillin or topical mupirocin
Causes of nappy rash
Irritant dermatitis Infantile seborrhaeic dermatitis Candida infection (usually in skin creases)
What is Steven Johnsons + what causes it?
Immune complex mediated hypersensitivity disorder Usually caused by drugs: Allopurinol, carbamazepine, sulfonamides, anticonvulsants, NSAIDs
S+S Steven Johnsons
URTI Mucocutaneous lesions on palms + soles Ocular symptoms - red eye, photophobia
Causes of erythema nodosum
Strep infection TB IBD Lupus
S+S erythema nodosum
Tender nodules on legs, shiny red lumps Fever Arthralgia Aching legs + swollen ankles
S+S scabies
Severe itching, worse at night Marked in interdigital spaces
Management of scabies
Malathion or permethrin
How long does seborrhaic dermatitis last for, and what treatment is there?
Lasts 12 months No treatment
Appearance of meningococcal rash
Non blanching purpuric or petechial rash Accompanied with pyrexia, malaise, meningitis
Appearance of steven johnsons syndrome
Widespread blisters + bullae over erythematous/ haemorrhagic skin Start on face then spreads Positive Nikolsky sign
Kawasaki disease rash
Polymorphous erythematous rash Strawberry tongue Erythema of palms + soles
Appearance of nappy rash
Flexure sparing + buttcrack
Appearance of erythema multiforme rash
Target like lesions on skin, progressing to erosions of bullae
Appearance of measles rash
Maculopapular rash lasting 6-8 days Also with Koplik spots + fever/ coryza/ conjunctivitis
Rash after treating glandular fever… with what?
Penicillin
Appearance of chicken pox rash
Starts on head and trunk, spreads Red macules then papules then pustules
What is contraindicated in chicken pox?
Aspirin due to Reye’s syndrome NSAIDs due to risk of skin infection
Appearance of erythema nodosum rash
Red/ violet nodules on shins
Appearance of molluscum contagiosum
Flesh coloured dome shapred papules on skin
S+S niacin deficiency
Causes Pellagra - inflamed skin, diarrhoea, dementia + mouth sores
Casal’s necklace rash
What is roseola infantum + what is it linked with?
Viral infection causing very high fever, associated with febrile fits
Caused by herpes virus 6
