Blister – Definition and Treatment

Definition of Blister Blister is a fluid-filled pocket that develops between the layers of skin in response to friction or pressure. Blisters are most common on the feet and hands though can develop nearly anywhere on the body, often hurt. Their outer layer of skin is vulnerable to tearing, which allows the fluid to leak out. Though the […]

Read More

Epidermolysis Bullosa – Types, Symptoms and Treatment

Definition of Epidermolysis Bullosa Epidermolysis Bullosa – The collective term for a group of inherited skin disorders that result in blisterlike formations (bullae) on the skin. Severity can range from mild (a few bullae) to debilitating (bullae covering large areas of the body). Dermatologists classify epidermolysis bullosa according to the layer of the skin where the bullae originate. […]

Read More

Keratoacanthoma – Skin Cancer – Treatment

Definition of Keratoacanthoma Keratoacanthoma is a form of squamous cell carcinoma (skin cancer) that appears suddenly and grows rapidly, though has a low rate of metastasis (spreading). Like other forms of skin cancer, keratoacanthoma is the consequence of extensive sun exposure that manifests decades later. Researchers have identified a number of chromosomal abnormalities that appear connected with keratoacanthoma, […]

Read More

Photosensitivity Rash – Treatment and Definition

Definition of Photosensitivity Photosensitivity is a heightened reaction to sunlight or other ultraviolet light that results in a rash or sunburn at much lower or shorter exposure than would ordinarily cause sunburn. Photosensitivity may develop as a reaction to a medication, such as the antibiotic medication tetracycline or the herbal antidepressant remedy St. john’s wort (hypericum), or as […]

Read More

Stretch Marks – Causes, Removal and Laser Therapy

Definition of Stretch Marks Irregular, discolored streaks or lines in the skin. Stretch marks represent, as the name suggests, changes in the tissue structure and appearance that result from the skin stretching and separating from the underlying supportive tissues. Such stretching most commonly occurs with pregnancy, breast augmentation surgery, and weight gain and loss, and affects the abdomen, […]

Read More

Skin Bulla – Blister – Definition and Treatment

Definition of Bulla Bulla is a large (5 millimeters or greater) blisterlike formation, raised and fluid filled, that may hurt or itch. Infection, contact irritants, immune response, and systemic health conditions may cause bullae. Bullous dermatitis may result from contact with plants such as poison ivy, oak, or sumac. To determine the cause of bullous eruptions, […]

Read More

Erysipelas Infection – Treatment

Definition of Erysipelas Infection Erysipelas is a streptococcal infection of the dermis, the middle layer of the skin. Infection commonly follows strep throat, with the bacteria likely carried on the hands to the skin where a scratch or other breach allows the bacteria to colonize into an infection. The infection presents characteristic symptoms that allow prompt clinical diagnosis. These symptoms include Redness […]

Read More

Keratosis Pilaris – Definition and Treatment

Definition of Keratosis Pilaris Keratosis Pilaris is a very common condition in which the keratocytes produce excessive keratin, clogging the hair follicles and forming small bumps on the skin that resemble goose bumps. The bumps may be the same color as the skin or slightly reddened and create a texture like rough sandpaper on the skin’s surface. Occasionally the bumps itch. […]

Read More

Pilonidal Disease – Cysts, Abscess and Treatment

Definition of Pilonidal Disease Pilonidal Disease is a chronic condition in which hair-filled cysts form at the base of the spine. The cysts typically originate when the skin closes to form saclike structures with hair trapped inside. The sac fills with fluid, cells, and other debris. Often there are indentations or pits over the tops of the cysts, and […]

Read More

Tinea infection – Ringworm – Capitis, Corporis

Definition of Tinea Tinea is a common fungal infection of the skin, involving the layers (including the hair and nails) that are cornified (composed of dead keratinocytes). Several species of fungi, known collectively as dermatophytes, cause tinea infection (also called dermatophytosis). People commonly refer to some forms of tinea as ringworm because the lesions have the appearance of […]

Read More