Dermatitis herpetiformis

Background

Autoimmune disorder associated gluten sensitivity

Evaluation

Characteristic rash

Looks like scabies, but clustered around elbows, knees, shoulders, buttox

Differential Diagnosis

Scabies

Vesiculobullous rashes

Febrile

Diffuse distribution
- Varicella
- Smallpox
- Disseminated gonococcal disease
- DIC
- Purpural fulminans
Localized distribution
- Necrotizing fasciitis
- Hand-foot-and-mouth disease

Afebrile

Diffuse distribution
- Bullous pemphigoid
- Drug-Induced bullous disorders
- Pemphigus vulgaris
- Phytophotodermatitis
- Erythema multiforme major
- Bullous impetigo
Localized distribution
- Contact dermatitis
- Herpes zoster
- Dyshidrotic eczema
- Burn
- Dermatitis herpetiformis
- Erythema multiforme minor
- Poison Oak, Ivy, Sumac dermatitis
- Bullosis diabeticorum
- Bullous impetigo
- Folliculitis

Management

Gluten-free diet
Dapsone

See Also

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