Intertrigo Flashcards
Intertrigo
superficial inflammatory condition occurring on two closely appoximated skin surfaces (intertriginous areas)
epidemiology
occurs in hot, humid environments, in the very young and older adults due to decreased immunity.
At risk for developing intertrigo
incontinence, obesity, DM, those with limited ability
Pathogenesis
friction, moisture, lack of ventilation. Stratum corneum becomes macerated leading to inflammatory response and erosion and secondaly bacterial, yeast and fungal infections
Clinical symptoms
pruritus and burning of skin folds, erythematous plaque with peripheral scaling
dx of fungal intertrigo
potassium hydroxide from scaly edge showing spores
dx of yeast intertrigo
satellite lesions
dx of bacterial intertrigo
culture showing group A strep. woods laps will fluoresce coral red color for Corynebacterium minutissimum erythrasma
ddx
pyoderma, seb derm, inverse psoriasis
treatment
weight loss, zinc oxide topically, topical petrolatum, cotton or gauze in skin folds, encourage cotton underwear
tx yeast
clotrimazole, ketoconazole, nystain (only good for yeast)
recalcitrant yeast conditions
oral fluconazole 100mg x 7 days
fungus tx
econazole, ketoconazole apply BID until resolves
group A strep tx
mupirocin, clindamycin
Recalcitrant group a strep tx
oral keflex, PCN, rocephin, clinda