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GlossaryGram-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”

Isotretinoin is highly effective in treating severe acne, 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”

Isotretinoin effectively treats severe acne and similar conditions, but has common, mostly reversible side effects, requiring careful patient monitoring.

research Acneiform Dermatoses

45 citations , January 1998 in “Dermatology”

Some skin conditions look like acne but are caused by drugs, and they usually get better when the drug is stopped.

research Top Ten Clinical Pearls in the Treatment of Acne Vulgaris

15 citations , January 2016 in “Dermatologic Clinics”

Start acne treatment early to prevent scarring, consider antibiotic resistance, use maintenance therapy, and manage side effects carefully.

research Scalp Bacterial Profile and Antibiotic Susceptibility Pattern in Patients With Primary Cicatricial Alopecia

January 2025 in “Annals of Dermatology”

PCA patients have more harmful bacteria and antibiotic resistance, needing specific testing for treatment.

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community No side effects on pyrilutamide / KX-826 so far

in Research/Science 209 upvotes 4 years ago

User TopBack56 and friends tried pyrilutamide (KX-826) for hair loss without experiencing negative side effects. They observed fine vellus hairs but no thick hair growth yet, and plan to add GT20029 to their regime after safety trials.

community Dutasteride vs Finasteride and Steroid

in Progress Pictures 87 upvotes 3 months ago

Dutasteride is preferred over finasteride for hair loss due to fewer side effects. Combining dutasteride with minoxidil and RU58841 is effective for hair regrowth, even during steroid use.

community 3 months 5g Min only before/after, 26 y/o

in Is this regrowth? 451 upvotes 1 year ago

The user experienced significant hair regrowth after three months of using 5 mg oral minoxidil nightly and plans to add finasteride to maintain progress. Many recommend combining minoxidil with finasteride or dutasteride to prevent future hair loss.

community Winlevi for 1 month on scalp. Testing it out so y’all don’t have to.

in Treatment 52 upvotes 2 years ago

A user is testing clascoterone (Winlevi) on their scalp for hair loss and has noticed a reduction in scalp sebum after one month. They are also using other unspecified treatments and plan to provide an update after the second month.

community 2.5 years 1mg finasteride daily

in Progress Pictures 3727 upvotes 2 days ago

Significant hair regrowth was achieved after 2.5 years of taking 1 mg finasteride daily, without using minoxidil or microneedling. Minor side effects included a slightly thinner beard and longer time to finish during sex.

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