Fungi & yeast Flashcards
Tinea manuum
Hand
Tinea cruris
“ jock itch”
Groin
Tinea pedis
” Athlete Foot”
Tinea corporis
“ ringworm “
Body, trunk and limbs
Tinea unguium
- onychomycosis
Fungal infection of nail
Tinea capitis
Head
Dermatophytosis Dx
KOH - potassium hydroxide wet mount preparation
- dissolves keratin but fungal walls remain intact
- branching, filamentous hyphae
DTM culture for Tinea capitis
Tx of Tinea capitis
Systemic:
Griseofulvin 8wk course
Terbinafine
Itraconazole
Try to clear fomites from home
Candidiasis
- Yeast infection
- Affects intertriginous area, mouth, esophagus
Candidiasis Tx
Anti fungal cream
Tinea Versicolor
“Pityriasis Versicolor”
Caused by:
- Pityrosporum orbiculare or
- Malassezia furfur
Pityriasis Versicolor Tx
Anti-fungus
Adult fungal tx
Tinea pedis
Tinea corporis
Tinea cruris
First line tx:
- clotrimazole cream
- miconazole cream
Onycholysis is
Oral Terbinafine 12 wks
Tinea Versicolor
“Pityriasis Versicolor”
KOH exam
- “Spaghetti and meatballs”
- short hyphae and small round spores ( yeast form)
Tinea Versicolor
“Pityriasis Versicolor”
Light or dark macula and patches with mild prupritis
Tinea Versicolor
“Pityriasis Versicolor”
Tx
- Anti fungal shampoos
- Imidazole cream
- ketoconazole
- clotrimazole
Intertrigo
= inflammation of large skin folds - inframammary fold - gluteal cleft - inguinal creases - folds under pannus (abdomen) Up to 10% of intertrigo is complicated by candida yeast colonization
Candida
Fungal culture may be more sensitive than KOH for candida.
Candida
Tx clotrimazole
Seborrheic dermatitis
Inflammatory reaction to Malassezia (Pityrosporum ovals) yeast that thrives on Seborrheic (oil-producing) skin
Seborrheic dermatitis
Erythema scaling patches on the scalp, hairline, eyebrows, eyelids, central face and nasolabial folds, external auditory canals, or central chest.
Seborrheic dermatitis
Ketoconazole cream
Steroids cream
