View source for Dermatophytosis

==Background==
*Also known as ringworm
*Common [[fungal infection]] of the skin, hair and nails
*Mode of transmission via direct contact to the organisms (eg. using unwashed wrestling mats)
*These dermatophytes are filamentous fungi that live off the keratin

==Clinical Features==
[[File:Dermatophytosis.png|thumb|]]
Subtypes of infections include:
*[[Tinea corporis]] (ringworm)
**Body except for feet, groin, face, scalp hair or beard hair
**Clinical manifestation:
***[[Pruritus|Pruritic]], circular scaly [[rash|patch]] or plaque → central clearing → annular plaque
*[[Tinea pedis]] (athlete's foot)
**Foot
**Clinical manifestation:
***Between digit spaces
***Pruritic
***Erosions
***Scales
***Bullous
*[[Tinea cruris]] (jock itch)
**Groin
**Clinical manifestation:
***Erythematous patch on proximal inner thigh → central clearing with sharp borders and vesicles
***Scrotum typically spared
*[[Tinea capitis]]
**Scalp hair
**Clinical manifestation:
***Scaly patches with alopecia
*Tinea unguium (Dermatophyte onchomycosis)
**Nail
**Clinical manifestation:

==Differential Diagnosis==
===[[Tinea pedis]]===
*Interdigital [[candida]] infection
*Erythrasma
*[[Atopic dermatitis]]
*Chronic [[contact dermatitis]]
*Acute palmoplantar [[eczema]]
*Palmoplantar [[psoriasis]]
*Pitted keratolysis
*Juvenile plantar dermatosis
*Keratolysis exfoliativa
*Keratodermas
*Acute palmoplantar [[eczema]]
*Acute [[contact dermatitis]]
*Palmoplantar pustulosis
*[[Scabies]]
===[[Tinea cruris]]===
*Inverse psoriasis
*Erythrasma
*Seborrheic dermatitis
*Candidal intertrigo
===[[Tinea corporis]]===
*Subacute cutaneous [[lupus]] erythematosus (SCLE)
*Granuloma annulare
*Erythema annulare centrifugum

==Evaluation==
KOH prep for diagnosis
==Management==
===Tinea corporis===
*Topical [[antifungals]] (azoles, allylamines, butenafine, ciclopirox, and tolnaftate)
*Oral antifungals for those who fail topical treatment
===Tinea pedis===
*Topical antifungals
*Oral antifungals ([[terbinafine]], [[itraconazole]], or [[fluconazole]])
===Tinea cruris===
*Topical antifungals
===Tinea capitis===
*1st line
**[[Griseofulvin]]
**[[Terbinafine]] 
===Tinea unguium===
*Mild to moderate
**1st line
***Oral [[terbinafine]]
***Topical efinaconazole, amorolfine, tavaborole, and ciclopirox
*Moderate to severe
**[[Terbinafine]], [[itraconazole]]

==Disposition==
*Discharge

==See Also==
*[[Rashes]]
*[[Tinea]]

==External Links==

[[Category:Dermatology]]

==References==
*https://www.uptodate.com/contents/dermatophyte-tinea-infections?source=search_result&search=dermatophytosis&selectedTitle=1~150#H68628070
*https://www.uptodate.com/contents/onychomycosis-epidemiology-clinical-features-and-diagnosis?source=search_result&search=tinea%20unguium&selectedTitle=2~15#H522098449
*https://www.uptodate.com/contents/onychomycosis-management?source=search_result&search=tinea%20unguium&selectedTitle=1~15
*https://www.uptodate.com/contents/tinea-capitis?source=search_result&search=tinea%20capitis&selectedTitle=1~39
<references/>