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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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research Cutaneous Drug Eruptions Associated with the Use of Biologics and Cutaneous Drug Eruptions Mimicking Specific Skin Diseases

4 citations, January 2012 in “Chemical Immunology”

Some drugs, especially biologics, can cause skin reactions that look like other skin diseases, and stopping the drug usually helps clear up these reactions.

research Drug-Induced Skin Reactions: A Pathologist's Viewpoint

7 citations, June 2015 in “Cutaneous and Ocular Toxicology”

Some drugs can cause skin reactions, which may improve when the drug is stopped, and rapid diagnosis and stopping the drug is crucial.

research Cutaneous Reactions to Drugs

3 citations, July 2017 in “Elsevier eBooks”

Skin reactions are a common reason for emergency visits due to drug allergies, with some severe cases needing intensive care.

research A Review of Adverse Cutaneous Drug Reactions Resulting from the Use of Interferon and Ribavirin

64 citations, January 2009 in “Canadian Journal of Gastroenterology”

Interferon and ribavirin can cause serious skin reactions and other health issues.

research Dermatologic Side Effects of Psychopharmacologic Agents

16 citations, July 1996 in “Dermatologic Clinics”

Some psychiatric drugs can cause skin problems, but serious reactions are rare.

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community Diffuse hair loss and scalp biopsies

in Research 692 upvotes 4 months 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.