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Tinea Barbae
Aka: Tinea Barbae
- See Also
- Skin Infection
- Cutaneous Fungal Infection
- Superficial Folliculitis
- Epidemiology
- Adult males
- Seen now in farmers related to animal exposure
- Etiology
- Trichophyton verrucosum
- Trichophyton mentagrophytes
- Pathophysiology
- Dermatophyte infection of the beard and mustache area
- Trichomycosis (Invasion of Hair Shaft)
- Resembles Tinea Capitis infection
- Symptoms
- Pruritus
- Local tenderness
- Signs
- Distribution
- Beard and mustache area
- Eyelashes and eyebrows (rare)
- Pustular Folliculitis
- Hair Follicles surrounded by inflammation
- Papules and Pustules
- Superimposed exudate and crust
- Hair easily removed
- Circular reddish patches with scale
- Hairs broken off at surface
- Differential Diagnosis
- Bacterial Folliculitis (Staphylococcus aureus)
- Furuncle or Carbuncle
- Acne Vulgaris
- Rosacea
- Perioral Dermatitis
- Pseudofolliculitis Barbae
- Contact Dermatitis
- Herpes Simplex Virus (Eczema herpeticum)
- Labs: Potassium Hydroxide (KOH) of plucked hair
- Hyphae seen invading Hair Shaft
- Management: Systemic Antifungal Medications
- Treat for 2-3 weeks after lesion resolution (typically requires 4-6 weeks of treatment)
- See Tinea Capitis for Antifungal medication options and dosing
- Complications
- Staphylococcus aureus superinfection
- Kerion
- Reference
- Fitzpatrick (1992) Color Atlas Dermatology
- Hainer (2003) Am Fam Physician 67(1):101-8 [PubMed]