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GlossaryLichenoid Reaction

inflammatory skin condition resembling lichen planus with itchy bumps

A Lichenoid Reaction, also known as Lichenoid Dermatitis, is an inflammatory skin condition characterized by a rash that resembles lichen planus. It often presents as small, itchy, purple or red bumps on the skin and can be triggered by medications, infections, or autoimmune diseases. This reaction involves an immune response where T-cells attack the skin, leading to damage and inflammation.

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Is There a Pathogenetic Link Between Frontal Fibrosing Alopecia, Androgenetic Alopecia, and Fibrosing Alopecia in a Pattern Distribution?

research Is There a Pathogenetic Link Between Frontal Fibrosing Alopecia, Androgenetic Alopecia, and Fibrosing Alopecia in a Pattern Distribution?

15 citations , December 2017 in “Journal of The European Academy of Dermatology and Venereology”

Frontal fibrosing alopecia and androgenetic alopecia may be related, with a possible shared cause.

research Eosinophilic Folliculitis of the Scalp Associated with PD-1/PDL1 Inhibitors

9 citations , April 2020 in “Journal of Cosmetic Dermatology”

Immune checkpoint inhibitors can cause scalp inflammation and hair follicle issues.

research Lichenoid Red Tattoo Reaction and Alopecia Areata

June 2011 in “International Journal of Dermatology”

A man's red tattoo caused a skin reaction and hair loss in his beard, which improved after treatment.

research Ashy Dermatosis: Histologic Findings and Potential Associations

21 citations , November 1981 in “Archives of Dermatology”

Ashy dermatosis may be linked to atopy and thyroid disease and can be treated with topical steroids.

research Post-Menopausal Frontal Fibrosing Alopecia

49 citations , January 2003 in “Clinical and Experimental Dermatology”

The document concludes that post-menopausal frontal fibrosing alopecia is a poorly understood condition that does not respond well to common treatments.

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community Losing Hair on Dutasteride? You might have LPP

in Research/Science 96 upvotes 1 year ago

Men with hair loss might have lichen planopilaris (LPP), which can mimic androgenetic alopecia, leading to misdiagnosis and ineffective treatment with finasteride or dutasteride. Proper diagnosis, including biopsies, is crucial to distinguish between androgenetic alopecia and conditions like LPP.

community One year of progress (Fin, 1mg)

in Is this regrowth? 281 upvotes 1 year ago

The user started finasteride (1mg) a year ago for hair thinning, experiencing stabilization but not significant regrowth. Suggestions included adding minoxidil, microneedling, and considering a hair transplant for improved results.

community DUPA/Retrograde might not be DHT based...GET A BIOPSY QUICK or permanent Hair Loss!

in Research/Science 39 upvotes 1 year ago

DUPA and retrograde alopecia may not be solely DHT-based, and a biopsy is crucial for accurate diagnosis and treatment. Treatments mentioned include dutasteride, oral minoxidil, pioglitazone, clobetasol, calcipotriol, ketoconazole, and doxycycline, depending on the specific condition.

community If You Have DUPA, PLEASE READ THIS: Everyone Should Be Scalp Biopsied

nkrata in Research 830 upvotes 1 year ago

Scalp biopsies are crucial for diagnosing hair loss conditions like Diffuse Unpatterned Alopecia (DUPA) and retrograde hair loss, as treatments like finasteride and dutasteride may not be effective if other conditions are present. Combining PPAR-GAMMA agonists with retinoids could improve treatments for conditions like Lichen Planopilaris.