What is the brown skin syndrome?

Author: Juliana D'Amore  |  Last update: Tuesday, May 6, 2025

Acanthosis nigricans is a condition that causes areas of dark, thick velvety skin in body folds and creases. It typically affects the armpits, groin and neck. Acanthosis nigricans (ak-an-THOE-sis NIE-grih-kuns) tends to affect people with obesity.

What is the cause of brown skin?

Darker areas of skin (or an area that tans more easily) occurs when you have more melanin or overactive melanocytes. Bronzing of the skin may sometimes be mistaken for a suntan. This skin discoloration often develops slowly, starting at the elbows, knuckles, and knees and spreading from there.

Does acanthosis ever go away?

How Is Acanthosis Nigricans Treated? Treating the underlying cause of acanthosis nigricans can make the dark patches of skin fade or even disappear. This can mean stopping any medicine that's causing the problem or treating diabetes and other health conditions. Losing weight will help acanthosis nigricans fade.

What is the most common cause of scalded skin syndrome?

Staphylococcus-Scalded Skin Syndrome (STAFF lo cok us SKAWL did skin SIN drome), also known as Scalded Skin Syndrome, SSSS, or Ritter's Disease, is a skin infection caused by a bacteria called Staphylococcus aureus.

Does dark armpits mean diabetes?

A dark patch (or band) of velvety skin on your neck, armpit, groin, or elsewhere could be a sign of pre-diabetes. The medical name for the condition that causes this velvety skin is acanthosis nigricans.

What Is 'Toasted Skin Syndrome?'

What do diabetic armpits look like?

Acanthosis nigricans (AN)

This skin condition causes dark patches of velvety skin in body creases such as your neck, armpits, or groin. Sometimes patches appear on your hands, elbows, or knees. Diabetes can cause skin infections or changes such as dark patches on the skin.

What is a diabetic belly?

But that doesn't mean abdominal weight gain should be ignored. It can be an early sign of so-called "diabetic belly," a build-up of visceral fat in your abdomen which may be a symptom of type 2 diabetes and can increase your chances of developing other serious medical conditions.

What is the skin condition that looks like a cigarette burn?

Rickettsialpox or tâche noire is a disease causes by the bite of a mite that lives on mice. It causes a chickenpox like rash that resembles a cigarette burn at the site of a tick bite. It can cause flu-like symptoms including fever, achy muscles, chills, and weakness.

What does SSSS look like?

Staphylococcal scalded skin syndrome (SSSS) is a response to a Staphylococcus (or “staph”) infection. It causes a reddening and blistering of the skin that gives it a scalded or burned look.

What does acanthosis nigricans smell like?

The symptoms of acanthosis nigricans include the presence of dark, thick, velvety patches of skin on the neck, armpits, groin, and other skin folds. The skin may feel rough and itchy, and in some cases, may emit a foul odor.

What are the symptoms of being insulin resistant?

There are some signs of insulin resistance that your doctor may look for. These includes a waistline over 40 inches in men, and a waistline over 35 inches in women. Skin tags or patches of dark velvety skin called acanthosis nigricans. A blood pressure reading of 130 over 80 or higher.

Why are my armpits dark all of a sudden?

Post-inflammatory hyperpigmentation – many inflammatory skin conditions like psoriasis and allergy to products like deodorant can cause darkening of the skin in the armpits and groin, especially in those with skin of colour.

What is the black stuff when I rub my skin?

The “black stuff” when you rub your skin is nothing but dead cells, dirt and surface grime. It comes off due to friction caused by rubbing your skin.

How to remove acanthosis nigricans naturally?

Treatment for the cause of acanthosis nigricans may involve : Weight management: Maintaining a moderate weight may help improve insulin sensitivity in those with insulin resistance. In turn, skin symptoms may improve.

What disease turns your skin brown?

Addison's disease: It causes patches of dark skin around skin folds or joints. Diabetes rash: If you have diabetes, you may develop discolored skin patches or spots. Medications: Some medications can cause your skin to lighten or darken. Cancer: Certain cancers or paraneoplastic syndromes can cause pigmentary changes.

What triggers SSSS?

Why do people get SSSS? SSSS is most often randomly applied to an airline passenger's ticket, without any specific reason, according to a United States Senate report from December 2023.

What does impetigo look like?

Overview. Impetigo (im-puh-TIE-go) is a common and highly contagious skin infection that mainly affects infants and young children. It usually appears as reddish sores on the face, especially around the nose and mouth and on the hands and feet. Over about a week, the sores burst and develop honey-colored crusts.

What do morgellons look like?

Morgellons disease (MD) is a dermatological condition in which lesions that contain unusual filamentous inclusions and/or projections spontaneously arise. The filaments are distinctive in part due to their varied white, red, blue, green or black coloration, and because visually they resemble microscopic textile fibers.

What is the bean skin disease?

The blue rubber bleb nevus syndrome or Bean syndrome is a rare disorder characterised by the presence of haemangiomas in the skin and gastrointestinal tract.

What is the skin burrowing parasite?

The Sarcoptes scabiei mite causes scabies. These little bugs make tunnels (burrow) under your skin to live, feed and lay eggs.

What is the foul smelling gas in diabetes?

And -- as odd as it may seem -- it also plays a critical role in protecting blood vessels from the complications of diabetes. Hydrogen sulfide is a foul-smelling gas with an odor resembling that of rotten eggs.

What is cortisol belly?

Cortisol belly is weight gain in the abdominal area, sometimes referred to as abdominal obesity, caused by an excess of the stress hormone cortisol. It can happen to anyone experiencing prolonged stress. 1. Other factors can also contribute to fat accumulation in the abdomen.

How do you feel when your blood sugar is too high?

Hyperglycemia occurs when the level of blood glucose gets too high. Hyperglycemia can affect people of any age and can cause a range of symptoms, including excessive thirst, hunger, fatigue, and/or an urge to urinate larger amounts than usual.

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