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Addison's disease, also known as primary adrenal insufficiency, [4] ... In secondary and tertiary forms of adrenal insufficiency, skin darkening does not occur, as ...
Acanthosis nigricans is a medical sign characterised by brown-to-black, poorly defined, velvety hyperpigmentation of the skin. [1] It is usually found in body folds, [2] such as the posterior and lateral folds of the neck, the armpits, groin, navel, forehead and other areas.
Most people with primary Addison's disease have darkening (hyperpigmentation) of the skin, including areas not exposed to the sun; characteristic sites are skin creases (e.g. of the hands), nipple, and the inside of the cheek (buccal mucosa), new scars become hyperpigmented, whereas older ones do not darken.
Addison’s disease is an autoimmune condition — affecting about one in 100,000 people — in which the body attacks its organs, ... or a darkening of the skin that can make people appear bronzed.
In short, melasma is a chronic skin condition that appears as darkened areas on the face due to an overproduction of melanin, says Gina Charles, MO, a family physician specializing in skincare. It ...
Hyperpigmentation can be caused by sun damage, inflammation, or other skin injuries, including those related to acne vulgaris. [1] [2] [3]: 854 People with darker skin tones are more prone to hyperpigmentation, especially with excess sun exposure. [4] Many forms of hyperpigmentation are caused by an excess production of melanin. [4]
Addison's disease, or primary adrenal insufficiency, is an uncommon chronic illness characterized by insufficient production of cortisol and aldosterone by the adrenal glands. [17] Chronic primary adrenal insufficiency is typically characterized by an extended period of malaise, fatigue, anorexia, weight loss, joint and back pain, and skin ...
Postinflammatory hyperpigmentation (PIH) is a skin condition characterized by the darkening of the skin (hyperpigmentation) following an inflammatory injury, such as acne, dermatitis, infectious disease, or trauma. Less frequently, it may occur as a complication of a medical procedure performed on the skin. It is a common cause of skin ...