Table 5.

Differential diagnosis

Type of dermatophytosis	Differential diagnosis
Tinea corporis	Subacute cutaneous lupus erythematosus Granuloma annulare Erythema annulare centrifugum Nummular eczema Tinea versicolor Cutaneous candidiasis Pityriasis rosea Allergic contact dermatitis Irritant contact dermatitis Atopic dermatitis Seborrheic dermatitis Psoriasis Impetigo Lyme disease
Tinea cruris	Candidal intertrigo Seborrheic dermatitis Inverse psoriasis Erythrasma Allergic contact dermatitis Irritant contact dermatitis Lichen simplex chronicus
Tinea capitis	Alopecia areata Trichotillomania Seborrheic dermatitis Atopic dermatitis Allergic contact dermatitis Irritant contact dermatitis Psoriasis Traction alopecia Systemic lupus erythematous Psoriasis Pityriasis amiantacea Bacterial folliculitis Sterile folliculitis Pyoderma
Tinea pedis	Erythrasma Interdigital Candida infection Atopic dermatitis Allergic contact dermatitis Irritant contact dermatitis Palmoplantar eczema Dyshidrotic eczema Palmoplantar psoriasis Pitted keratolysis Juvenile plantar dermatosis Keratolysis exfoliative Palmoplantar keratoderma Palmoplantar pustulosis Scabies Gram negative toe web infection Plantar psoriasis Friction blisters Autoimmune blistering disorders Pityriasis rubra pilaris
Tinea manuum	Psoriasis Allergic contact dermatitis Irritant contact dermatitis Atopic hand dermatitis Occupational dermatitis Dyshidrotic eczema Keratolysis exfoliative
Tinea barbae	Bacterial folliculitis Perioral dermatitis Pseudofolliculitis barbae Contact dermatitis Herpes simplex Sporotrichosis Acne vulgaris Acne rosacea
Tinea faciei	Atopic dermatitis Seborrheic dermatitis Allergic contact dermatitis Irritant contact dermatitis Psoriasis Rosacea Actinic keratosis Perioral dermatitis Cutaneous lupus erythematosus Polymorphous light eruption Nummular eczema Sarcoidosis Granuloma annulare