Key Points
*Skin condition similar to acne in appearance
*Caused by bacterial infection
*Consists of pustules, often red in color
Gram negative folliculitis is a skin condition which appears similar to acne. It consists of a red rash of pustules in any area with hair, most commonly the face. Unlike acne, there are usually no comedones or papules involved in its presentation.
Gram negative folliculitis is caused by an infection by bacteria which are gram negative, meaning it does not take a stain in laboratory testing. These bacteria include escherichia coli, pseudomonas aeruginosa, serratia marcescens, klebsiella and proteus species. Gram negative folliculitis may also occur related to long-term use of tetracycline or topical antibiotics.
Differential Diagnosis (Other conditions with similar appearance)
Acne Vulgaris
Acneiform Eruptions
Perioral Dermatitis
Diagnosis
Key Points
*Diagnosis based on skin appearance
*Other tests may be performed to confirm diagnosis
Gram negative folliculitis is usually diagnosed based on appearance of the affected area. Health care professionals may perform gram stains and cultures to confirm the diagnosis.
Treatment
*Clear quickly with proper treatment
*Primary treatment involves the prescription of Antibiotics or Isotretinoin
Gram negative folliculitis is easily and quickly treated. Once the causal organism is identified
