What Is an Epidermal Cyst? Skin Lump, Causes & Removal Options
What Is an Epidermal Cyst? Skin Lump, Causes & Removal Options An epidermal cyst is a usually benign skin lump that forms when skin cells and keratin become trapped beneath the skin surface inside a cyst wall. Epidermal cysts are often called epidermoid cysts or epidermal inclusion cysts, while “sebaceous cyst” is often inaccurate. This […]
What Is Eosinophilic Pustular Folliculitis? Skin Pustules, Causes & Treatment Options
What Is Eosinophilic Pustular Folliculitis? Skin Pustules, Causes & Treatment Options Eosinophilic pustular folliculitis is a rare recurrent inflammatory skin condition that causes itchy bumps and pustules around hair follicles. It is also called eosinophilic folliculitis, EPF, EF, or Ofuji disease. EPF is not ordinary acne or bacterial folliculitis by default, so persistent itchy pustules […]
What Is Ehlers-Danlos Syndrome? Skin Elasticity, Joint Signs & Care Options
What Is Ehlers-Danlos Syndrome? Skin Elasticity, Joint Signs & Care Options Ehlers-Danlos syndrome is a group of inherited connective-tissue disorders that can affect skin strength, skin elasticity, joint stability, blood vessels, organs, and wound healing. Ehlers-Danlos syndrome, or EDS, is not diagnosed from stretchy skin alone. This page covers skin signs, joint signs, other symptoms, […]
What Is Dysplastic Nevus? Atypical Mole Signs, Risks & Diagnosis
What Is Dysplastic Nevus? Atypical Mole Signs, Risks & Diagnosis A dysplastic nevus is an atypical-looking mole that may have irregular color, shape, size, border, or microscopic features, but it is usually not melanoma. Dysplastic nevus is also called an atypical mole, atypical nevus, dysplastic mole, or atypical melanocytic nevus. This page covers appearance, ABCDE […]
What Is Dyshidrotic Eczema? Hand and Foot Blisters, Triggers & Treatment Options
What Is Dyshidrotic Eczema? Hand and Foot Blisters, Triggers & Treatment Options Dyshidrotic eczema is a recurrent type of eczema that causes small, deep, itchy blisters on the palms, sides of the fingers, soles, or toes. It is also called pompholyx or dyshidrosis. This page covers symptoms, locations, causes, triggers, similar conditions, diagnosis, treatment, hand […]
What Is Dry Skin / Xerosis? Skin Tightness, Causes & Treatment Options
What Is Dry Skin / Xerosis? Skin Tightness, Causes & Treatment Options Dry skin, also called xerosis, happens when the outer skin layer loses too much moisture or lacks enough oil and water to stay smooth, flexible, and comfortable. Dry skin is not dirty skin, and harsh scrubbing can make it worse. This page covers […]
What Is a Drug Rash? Medication-Triggered Skin Symptoms & Treatment Options
What Is a Drug Rash? Medication-Triggered Skin Symptoms & Treatment Options A drug rash is a skin reaction that appears after taking, applying, injecting, or being exposed to a medication. Drug rash is not always a true allergy, and severe symptoms need urgent care. This page covers symptoms, timing, rash types, common triggers, diagnosis, treatment, […]
What Is Discoid Lupus Erythematosus? Skin Lesions, Causes & Treatment Options
What Is Discoid Lupus Erythematosus? Skin Lesions, Causes & Treatment Options Discoid lupus erythematosus is a chronic form of cutaneous lupus that causes inflamed, scaly, disc-shaped skin lesions that can leave scarring, pigment changes, or permanent hair loss when the scalp is affected. Discoid lupus erythematosus, often shortened to DLE, is not an ordinary rash. […]
What Is Dermatomyositis? Skin Rash, Muscle Symptoms & Treatment Options
What Is Dermatomyositis? Skin Rash, Muscle Symptoms & Treatment Options Dermatomyositis is an autoimmune inflammatory disease that can cause characteristic skin rashes and muscle inflammation, often leading to weakness in muscles near the shoulders, hips, neck, or thighs. Dermatomyositis is a skin-plus-muscle disease, and rash may appear before weakness in some people. This page covers […]
What Is Dermatofibroma? Firm Skin Bump, Causes & Removal Options
What Is Dermatofibroma? Firm Skin Bump, Causes & Removal Options A dermatofibroma is a usually benign firm skin growth made of fibrous tissue that can feel like a small button, pebble, or scar-like knot in the skin. Dermatofibroma is usually harmless when classic and stable, but changing or atypical bumps need medical review. This page […]