II. Causes

  1. Furunculosis (Furuncle or Carbuncle)
  2. Hot Tub Folliculitis (Pseudomonas aeruginosa)
  3. Sycosis (entire Hair Follicle inflammed)
    1. Sycosis barbae (beard area involved)
    2. Scalp involvement
  4. Gram-negative Folliculitis
    1. Associated with longterm antibiotic for Acne Vulgaris
    2. Usually involves face
    3. Caused by Klebsiella, Enterobacter, Proteus
    4. Consider treatment with Isotretoin (Accutane)

III. Symptoms and signs

  1. Painful, swollen red mass

IV. Management

  1. Specific to cause as listed above

V. Course

  1. Scarring may occur

VI. References

  1. Fitzpatrick (1992) Color Atlas Dermatology
  2. Habif (1996) Dermatology, p. 248-51
  3. Stulberg (2002) Am Fam Physician 66(1):119-24 [PubMed]

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