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Glossary Gram-negative folliculitis

bacterial infection of hair follicles resistant to certain antibiotics

Gram-negative folliculitis is a bacterial infection of the hair follicles caused by Gram-negative bacteria, which are a group of bacteria that do not retain the crystal violet stain used in the Gram staining method of bacterial differentiation. This condition often occurs as a complication in individuals who have been on long-term antibiotic therapy for acne, leading to an overgrowth of these resistant bacteria. Symptoms include pustules and inflammation around hair follicles, typically on the face and neck.

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research Action of isotretinoin in acne rosacea and gram-negative folliculitis

175 citations , April 1982 in “Journal of The American Academy of Dermatology”

This study found that oral isotretinoin achieved good to excellent clinical results in treating severe inflammatory acne, severe rosacea, and gram-negative folliculitis.

research Isotretinoin treatment of acne and related disorders: An update

126 citations , October 1983 in “Journal of The American Academy of Dermatology”

This report verifies isotretinoin's significant efficacy in treating severe acne over the past year in the U.S., highlighting the need for careful patient selection and monitoring due to potential side effects.

research Acneiform Dermatoses

45 citations , January 1998 in “Dermatology”

This review examines acneiform eruptions, often drug-induced, highlighting that they differ from acne vulgaris in causes and characteristics, with no new clinical results reported.

research Top Ten List of Clinical Pearls in the Treatment of Acne Vulgaris

15 citations , January 2016 in “Dermatologic Clinics”

This article offers strategies for managing acne effectively and safely, emphasizing treatment optimization, patient tailoring, and addressing antimicrobial resistance, but reports no new clinical results.

research Bacteria Display Differential Growth and Adhesion Characteristics on Human Hair Shafts

33 citations , September 2018 in “Frontiers in Microbiology”

This study demonstrated that human hair shafts can inhibit the growth of Gram-positive bacteria but have no effect on Gram-negative bacterial growth, offering insights into hair and scalp health.

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