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YSMU Department of Dermatology, STI and CosmetologyPyodermas,Parasitic skin diseasesLecturer: Edgar Manukyan MD, MS
Folliculitis, Follicular PustulesHair follicle inflammation Staphylococcus aureusPerifollicular erythema, papules and/or pustulesUnder magnifying glass: hair follicles are involvedAs all other infectious processes, folliculitis get mores severe and persistent course
Folliculitis, Follicular Pustulestreatment local Lotion with saline hypertonic solution Local antibiotics and antisepticsEvacuation of pus and dubbing with Betadine solution, iodine 2%
SycosisChronic folliculitisStaphylococcus aureusbeard region, neck, scalp, legs and pubic areasInfiltration, pustules, crustItching and burningNo oozing or weepingDifferentiate from tinea barbaeTreatment local with antibiotics
Furuncle, Furunculosisdeep-seated infectious folliculitis and perifolliculitis with a purulent core Young menPredisposing factors: alcoholism, drug abuse, diabetes mellitus, AIDS and chronic diseases of the liver Staphylococcus aureus
Furuncle, Furunculosisslightly raised inflammatory erythema central necrosis and puscore ruptures and drainstrunk, extremities, faceparenteral antibiotics like oxacillin and doxycyclinelocal Ichthyol ointment 10 50%, local heat application, local antibiotics is used in recurrent lesions to eradicate carrier sites
Furuncle, Furunculosisslightly raised inflammatory erythema central necrosis and puscore ruptures and drainstrunk, extremities, faceparenteral antibiotics like oxacillin and doxycyclinelocal Ichthyol ointment 10 50%, local heat application, local antibiotics is used in recurrent lesions to eradicate carrier sites
CarbuncleLarge indurated plaque resulting from confluence of multiple furuncles; same treatment as for furuncles.
Sweat Gland Abscesses (hidradenitis suppurativa )apocrine glands of the axillary, inguinal, perianal, and perigenital regionsnodular swelling with and without pus formationinflammatory erythema may occurSystemic and local antibioticsIsotretinoin for advanced cases
Impetigo Contagiosamost frequent bacterial skin infection in childrenStreptococcus spp.Superficial infectionVery contagious, develops rapidlypoor familiesmoist, hot
Impetigo Contagiosagolden yellow to dark yellow crusts distinct marginserythematous base.face and occasionally the intertriginous areas, but the disease can affect any part of the bodymoderate pruritus is presentlocal only, systemic antibiotic -widespread vesicular impetigo
Vesicular Impetigo (staph, strept)
Staphylococcal Scalded Skin Syndrome (SSSS)Ritter Exfoliative Dermatitissevere vesicular staph impetigo small children, otitis mediaexfoliatin toxinlarge ruptured bullae, erythema systemic symptoms: fever, fatigue hospital treatmentparenteral fluids, antibiotics, electrolytes
Erythrasmachronic superficial bacterial infection Corynebacterium minutissimum smooth reddish, sharply delineated plaques, fine scaleinguinal areas, axillae, interdigital spaces of the toesErythromycin locally, oral if resistant
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Scabiesitch mite, Sarcoptes scabiei close contact, also sexuallyIncubation ~ 3 weekscolored or reddened papules or raised burrows 1 cm longerosions, crusts, and scales are predominate, secondary scratch marks Intensive itching, worse at night, other infected cases in families
Scabies
Scabies
Scabies
Scabies
Scabies
ScabiesTreatment: benzyl benzoate 20-25%sulphur ointment 33%Permethrine 5% creamSpregal sprayAntihistamines may be indicated for severe pruritusAll contacts must be treated to avoid reinfections regardless of clinical manifestation
Licehead lice (pediculus capitis)body lice (pediculus corporis)recurrent feverpubic lice (pediculus pubis)gamma benzene hexachloride shampoo50/50 vinegar for nits removalAntihistamines may be indicated for severe pruritusclothes desinfestation
Lice
Lice
Licehairy regions with apocrine glands (anal and genital regions, axillae,eyebrows and eyelashes)close contact, sexually intercourse caeruleae, pale blue spots of up to fingernail size due to bitesPermethrine 5% cream
Lice
Lice
Lice