Chloasma and Definition and Treatment

Definition of Chloasma Chloasma is a pattern of hyperpigmentation, often temporary, that typically affects the face. Chloasma, also called melasma, develops with elevated blood levels of estrogens, such as occurs during pregnancy, with some oral contraceptive (birth control pill) formulations, and in chronic liver disease. When the cause is hormonal, the hyperpigmentation fades when hormone levels return to normal. […]

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Frostbite – Definition, Symptoms and Treatment

Definition of Frostbite Frostbite – Damage to the skin that results from prolonged exposure to extremely cold temperatures. Frostbite occurs when the fluid in cells crystallizes into ice, causing the skin and often the underlying tissues to freeze. The fingers, hands, toes, feet, nose, and ears are most vulnerable to frostbite. People who have impaired peripheral circulation are […]

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Macule – Skin Lesion – Definition and Information

Definition of Macule A small skin lesion that is flat, smooth, and discolored. Macules are common and may appear as the presenting symptom for numerous dermatologic and other health conditions. Often the only symptom they present themselves is discoloration, though some macules itch or hurt. The discoloration may be hyperpigmentation (darker than the surrounding skin) or hypopigmentation (lighter than the […]

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Pruritus – Itching – Definition, Causes and Treatment

Definition of Pruritus Pruritus – the clinical term for itching, especially itching that engenders the uncontrollable urge to scratch. Pruritus is a symptom of innumerable health conditions and may be localized (confined to a specific area or to lesions) or generalized (widespread, involving much of the skin’s surface). The skin may appear reddened (erythema), swollen (edema) or […]

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Vesicle and Definition

Definition of Vesicle Vesicle is a small, blisterlike lesion on the skin that contains serous fluid. Vesicles typically occur in clusters and indicate infection, such as with herpes simplex virus (HSV), or irritation, such as results from contact with poison ivy. Skin vesicles often hurt or itch. Treatment may include topical medications to relieve discomfort, with oral analgesic medications (pain relievers) or antihistamine […]

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Corns on Feet and Toes – Definition and Treatment

Definition of Corns Corns are growths of thickened skin on the tops and sides of the toes. Corns result from accumulations of keratocytes that develop in response to repeated pressure, typically from shoes that are too tight, and are the body’s effort to protect the skin and underlying tissues. A corn has a hard inner core with […]

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Furuncle – Definition, Symptoms and Treatment

Definition of Furuncle An infected hair follicle, commonly called a boil. A furuncle develops when bacteria normally present on the surface of the skin (typically staphylococcus) causes a collection of dead cells and fluid (pus) to block the follicle. The blocked follicle becomes reddened, inflamed, enlarged, and usually quite painful. Furuncles are most likely to develop in the underarm area, groin, […]

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Miliaria – Small Bumps Skin – Definition

Definition of Miliaria Miliaria are small bumps that form on the skin in environmental conditions of high heat and humidity, when the body produces much sweat that cannot evaporate and instead pools on the surface of the skin. The bumps may be red (miliaria rubra) or clear and filled with fluid (miliaria crystallina). Clothing may further inhibit sweat […]

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Pseudofolliculitis Barbae – Definition and Treatment

Definition of Pseudofolliculitis Barbae and Treatment Pseudofolliculitis Barbae is a condition in which large numbers of the hairs in the beard region on a man’s face grow inward after shaving, causing irritation and inflammation. Pseudofolliculitis barbae, sometimes called razor RASH or razor bumps, occurs most frequently in men whose facial hair is tightly curled, and is particularly common among […]

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Vitiligo Disease – Symptoms, Treatment and Causes

Definition of Vitiligo disease Vitiligo – a condition of hypopigmentation in which melanocytes die in patches of skin, leaving macules that are pale and depigmented. Dermatologists believe vitiligo is an autoimmune disorder in which the immune system produces antibodies that attack melanocytes, the skin cells responsible for producing pigment. Vitiligo affects people of all races and ethic backgrounds, though […]

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