Search results
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Candidiasis
General Information Candidiasis, commonly called yeast infection, is a fungal infection (mycosis) of any of the Candida species. Candida albicans is the most common of the Candida species. The range of infection ranges superficial to systemic and potentially life threatening disease. A severe disease is usually confined to severely immunocompromised individuals such as AIDS patients. […]
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Cellulitis
General Information Cellulitis is an acute infection of skin and soft tissues characterized by localized pain, swelling, tenderness, erythema, and warmth. Cellulitis is unrelated to cellulite, a cosmetic condition featuring dimpling of the skin. Predisposing conditions for cellulitis include insect bite, animal bite, tattoos, pruritic skin rash, recent surgery, athlete’s foot, dry skin, eczema, injecting […]
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Chondrodermatitis
General Information Chondrodermatitis Nodularis Chronica Helicis (CNH) is a painful inflammatory condition affecting the ear sometimes called Winkler disease. CNH is most often seen in middle-aged or elderly men but may also affect women and younger adults. It results in a benign tender lump in the cartilaginous portion of the ear, the helix. The cause […]
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Condyloma Acuminatum
General Information More than 30 types (strains) of human papillomavirus (HPV) cause Condyloma Acuminatum (Genital Warts). The virus is spread by skin-to-skin contact during sexual activity; vaginal or anal penetration is not necessary to become infected. Patients that become infected with HPV will not have symptoms and will clear the infection on their own. Some […]
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Contact Dermatitis
General Information Contact Dermatitis is an inflammation of the skin caused by direct contact with an irritating substance. A history of any type of allergies is an increasing factor for this condition. Irritant dermatitis is the most common type of contact dermatitis, resulting from contact with acids, alkaline materials such as soaps and detergents, solvents, […]
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Cutaneous Drug Eruptions
General Information Cutaneous Drug Eruptions vary in their appearance, rapidity of onset and severity. Coombs and Gell proposed four types of immunologically mediated reactions: Type I is immunoglobulin E (IgE)–dependent reactions, which result in urticaria, angioedema, and anaphylaxis. Type II is cytotoxic reactions, which result in hemolysis and purpura. Type III is immune complex reactions, […]
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Dermatitis Herpetiformis
General Information Dermatitis Herpetiformis is an autoimmune disease causing clusters of intensely pruritic small blisters and hive like swellings. Despite the name, dermatitis herpetiformis is not related to the herpes virus. Prior to the blisters forming the area usually has a burning feeling. In around one to two weeks, the blisters will scab and heal, […]
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Dermatofibroma
General Information Dermatofibroma is an extremely common firm bump on the skin, representing an overgrowth of the tissue lying between the outer and inner layers of skin. Typically, small (0.5- to 1-cm) red-to-brown, darker depending on the individual’s skin color, bumps (nodules). Dermatofibromas are most commonly seen on the extremities, particularly the lower legs. Although […]
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Discoid Lupus Erythematosus
General Information Discoid Lupus Erythematosus (DLE) is a chronic skin condition that develops circular inflamed red patches with a scaling and crusty appearance, ranging from 5-10 mm in diameter. The sores are usually located on the face, ears and scalp; at times, they may be found on other parts of the body. When the lesions […]
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Drug-Induced Photosensitivity
General Information Drug-induced Photosensitivity refers to the development of a cutaneous disease resulting from both a chemical and light effect, exposure to only one component will not cause the disease. Both phototoxic and photoallergic reactions occur in sun-exposed areas of skin (e.g. the face, V of the neck, and dorsa of the hands and forearms). […]