Which clinical history findings are characteristic of gram-negative folliculitis?

Updated: Aug 07, 2019
  • Author: Mordechai M Tarlow, MD; Chief Editor: William D James, MD  more...
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A history is helpful in suggesting the diagnosis of gram-negative folliculitis.

Patients usually have been receiving a course of antibiotics for a prolonged period. Patients with gram-negative folliculitis may present with one of two histories.

A history of apparent acne, usually of the nodulocystic form, may be present. The acne has not been responding to antimicrobial therapy or other therapy. A history of acne that has responded well to therapy and suddenly flares may be present.

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