Cutanrous Fungal Infections Flashcards
treatment goals
provide symptomatic relief
eradicate existing infection
prevent future recurrent infections
how often should you apply imidazoles/azikes
apply thin layer in the morning and evening
adverse effects of clotrimazole and miconazole
local skin irritation
burning redness - hypersensitivity
when can nystatin be used
candidal infections
apply 2-3 times daily
why are dermatophytes restricted to the scalp, nails, superficial skin
requires keratin for growth
how are dermatophytes spread
person to person - daycare
soil
animals
fomites
signs and symptoms of tinea corporis
oval ring like red scaly patches sharp margins inner clear
areas affected by tinea cruris
bilateral thighs
inguinal folds
buttocks
not scrotum or penis
risk factors for tinea cruris
warm humid condition increased sweating wet clothing obesity immunocompromised
signs and symptoms of tinea cruris
well marginated red half moon plaque
itchy
bright red
risk factors for tinea pedis
heat and dampness occlusive footwear public bathing facilities high impact sports sharing footwear with infected people prolonged topical steroid application excessive sweating
commonly affected areas in tinea pedis
toe webs between 4th and 5th toe
may spread to soles or toenails
symptoms of tinea pedis
interdigital maceration at web space
fissuring and scaling
itchy or stinging
malodour
referral for tinea pedis
delayed wound healign - diabetes, immunocompromised, cancer, elderly under 12bc uncommon toenail infected require prescription lesion is oozing, inflammed subtypes where on the soles of feet
tinea pedis non pharms
avoid occlusive footwear
change to dry socks 2-3 times daily
change or alternat shoes
dry between toes bid and after showering
treatment of the tineas
imidazole twice daily for 4 weeks apply 2 cm past affected area
continue 1-2 weeks after symptoms resolution to ensure full eradication and prevent relapse
risk factor for pityriasis versicolor
tropical environments
adlescents and young adults
signs and symptoms of pityriasis versicolor
hypo/hyperpigmentation
fine scale
cosmetic not itching
where does pityriasis versicolor
back
chest
upper arms
pityriasis versicolor treatment
selenium sulfide 2.5% shampoo
apply for 10 min then wash off daily 7-14 weeks then once a month prevention
risk factors for candida intertrigo
diabetes immunocompromised tropical poor hygiene contact dermatitis obesity overuse of cornstarch hands in water excessively
when should you refer candida candiddiasis
cause unknown unsuccessful initial treatment systemic or recurrent secondary bacterial infection under 2
treatment of cutaneous candidiasis
keep area dry with non medicated powder
imidazoles or nystatin twice daily for 2-3 weeks
severe use topical corticosteroid as well
monitoring for cutaneous candidiasis
relief of itching within 1-2 weeks
monitor daily for infection
lesions should clear within treatment timeframe
condition worsens or no improvement within 1-2 weeks refer
non pharms for cutaneous fungal infections
use separate towel for infected area
do not share towels
hair dryer on low heat to dry intertriginous spaces
launder contaminated towels and clothing separatly in hot water
cleanse skin daily with soap and water
avoid clothing that allow the skin to stay wet
