Dermatophytosis
- interdigital pruritis, with erythematous erosions or scales
- definitive dx with culture
- transmitted via direct contact
- first line tx: topical meds
what is tinea pedis?
salmon-colored macule on the trunk measuring 2-6mm followed by pruritic, oval papules covering the body
- increased incidence in spring/fall
what is pityriasis rosea?
-type 4 hypersensitivity reaction
-well defined non-pruritic dusky, violaceous macules or blisters surrounded by ring of pallor & peripheral erythematous ring
-mild oral mucositis
what is erythema multiforme?
-erythematous, maculopapular
-cephalocaudal spread
-spares palms/soles
-disappears within 3d
-forchheimer spots
what is rubella?
treatment for SSSS
what is nafcillin
this is the causative agent of a skin condition in infants that presents with beefy, red plaques, satellite pustules that do not spare the skin folds
what is candida?
punctate bleeding with removal of plaque or scale
what is auspitz sign
erythematous/violaceous blisters and lesions involving <10% BSA
- URI prodrome
->2 mucosal sites
what is SJS?
MCC of a lacy, reticular rash sparing palms and soles
what is parvovirus B19?
white papules frequently found on nose & cheeks of infants
what is milia?
the triad commonly seen in children with pruritic & erythematous, scaly lesions, dry skin and elevated IgE
what is atopic triad?
(atopic dermatitsis, allergic rhinitis, asthma)
purple, polygonal, planar, pruritic, papules, plaques
what are the 6 Ps of lichen planus?
immediate reaction to offending agent
-ex: urticaria, angioedema
3d of high fever followed by pink, maculopapular, blanchable rash starting on the trunk and spreading to the face
what is roseola infantum?
benefit of vitamin A in treatment of measles
what is boosted immune response, decreased risk of complications and death in young/malnourished children?
hypopigmented, well-demarcated round or oval macules w/ fine scaling that is exacerbated by hot/humid weather
what is tinea versicolor?
cyclosporine, retinoids, adalimumab
- fever >5 days
what is kawasaki disease?
pruritic macules that appear in crops over days, show different stages of healing
what is varicella?
treatment for scabies and pediculosis
what is topical permetherin?
treatment for tinea capitis
what is PO griseofulvin?
small, erythematous tear drop papules with fine scales, discrete lesions and confluent plaques
- spares palms and soles, often appears after strep pharyngitis
what is guttate psoriasis?
follicular hyperkeratinization, increased sebum production, cutibacterium colonization, inflammatory reactions
what is acne vulgaris?
-high fever, yellow-white papulovesicular lesions on posterior pharynx
-spares hands and feet
-MCC coxsackie virus
what is herpangina?
organism that causes gingivostomatitis, pharyngotonsillitis, pruritis, burning, tingling pain
what is HSV-1?