Skin

Acanthosis Nigricans: What You Need to Know

Acanthosis Nigricans (AN) is a skin condition characterized by dark, velvety, thickened patches or plaques, typically appearing in body folds and creases. Common sites include the axillae (armpits), posterior...

Stevens-Johnson Syndrome: A Deadly Drug Reaction

Stevens-Johnson Syndrome (SJS) is a rare but life-threatening hypersensitivity reaction, most commonly triggered by medications. It ranks among the most severe dermatologic emergencies, with...

Angioedema: What Triggers Swelling and How to Manage It

Angioedema is a condition where fluid builds up deep under your skin or inside your body, which results in sudden swelling. When angioedema involves...

Lupus Vasculitis: Causes, Symptoms, and Diagnosis

Lupus vasculitis is an inflammatory complication of systemic lupus erythematosus or SLE. It occurs when your body’s immune system mistakenly causes inflammation in your...

Hypotrichosis: What It Is, Causes, Symptoms, Treatment

Hypotrichosis is a condition characterized by an abnormal deficiency of hair on the scalp or body. It may affect various areas, including the scalp,...