Folliculitis

Background

Inflammation of the hair follicle
Secondary to infection, trauma, or occlusion [1]

Clinical Features

Folliculitis

Papules and pustules on an erythematous base
Located around a hair follicle
Pruritus or mild discomfort

Differential Diagnosis

Skin and Soft Tissue Infection

Look-A-Likes

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

Evaluation

Clinical diagnosis

Management

Superficial folliculitis
- Antibacterial soaps, good hygiene
- Warm compress
Deep folliculitis
- Incision and drainage
- Antibiotics covering MRSA [2]

Disposition

Discharge
Outpatient management

References

Satter, E. Folliculitis. Medscape. https://emedicine.medscape.com/article/1070456-overview
Satter, E. Folliculitis. Medscape. https://emedicine.medscape.com/article/1070456-overview

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