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It is an endocrinal disorder where there is an increased amount of adrenocorticotropic hormone (ACTH) as a result of deficient amounts of hormones being produced from the adrenal cortex. [9] Due to this, dark pigmentation may be visible on the oral mucosa or skin. [10] Most common oral sites include: buccal mucosa, lips, gums, hard palate or ...
Melasma (also known as chloasma faciei, [1]: 854 or the mask of pregnancy [2] when present in pregnant women) is a tan or dark skin discoloration.Melasma is thought to be caused by sun exposure, genetic predisposition, hormone changes, and skin irritation. [3]
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. [1]
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 ...
Treatment: There is no specific treatment for hand, foot, and mouth disease but the CDC says that taking over-the-counter medications like acetaminophen or ibuprofen can help to relieve fever and ...
During your period, menopause, or even stressful times, hormonal imbalances can cause acne, dryness, and wrinkles. ... Skin, too, is subject to the whims of these potent chemical messengers (think ...
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]
Smoker melanosis in a patient consuming 2 packs of cigarette per day. Smoking or the use of nicotine-containing drugs is the cause to Smoker's melanosis. [10] [11] Tar-components (benzopyrenes) are also known to stimulate melanocytes to melanin production, and other unknown toxic agents in tobacco may also be the cause.