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The Daily Insight

What happens when sweat glands are damaged?

Author

Andrew Mclaughlin

Updated on March 02, 2026

Some people aren’t able to sweat typically because their sweat glands are no longer functioning properly. This condition is known as hypohidrosis, or anhidrosis. It can affect your entire body, a single area, or scattered areas. The inability to sweat can cause overheating.

Is sweat a circulation?

Sweating gives your skin glowing results It boosts your circulation and delivers more nutrients to your skin via increased blood flow[4].

What diseases affect sweat glands?

Hidradenitis suppurativa (HS) is a chronic condition characterized by swollen, painful lesions, occurring in the armpit (axillae), groin, anal, and breast regions. This disease occurs due to obstruction of hair follicles and secondary infection and sometimes inflammation of certain sweat glands (apocrine glands).

What controls your sweat glands?

The eccrine sweat gland, which is controlled by the sympathetic nervous system, regulates body temperature. When internal temperature rises, the eccrine glands secrete water to the skin surface, where heat is removed by evaporation.

What does lack of sweating mean?

Anhidrosis is the inability to sweat normally. When you don’t sweat (perspire), your body can’t cool itself, which can lead to overheating and sometimes to heatstroke — a potentially fatal condition. Anhidrosis — sometimes called hypohidrosis — can be difficult to diagnose. Mild anhidrosis often goes unrecognized.

Why am I not sweating when working out?

The most common reason for lack of sweat during a workout is dehydration, says Gallucci. “Dehydration before a workout means that your body will be severely lacking in fluids. And since sweat is primarily composed of water, not having enough of it may mean that your body is unable to sweat,” he said.

Is sweat reabsorbed?

Sweating may have a detoxifying effect on your body by allowing small toxins to leave through your skin. But lounging in your workout gear may cause you to reabsorb all the stuff you just sweat out, so just make sure to change and shower when you get home!

Why does sweat smell bad?

Body odor happens when your sweat meets the bacteria on the surface of your skin and makes an unpleasant smell. Sweating is your body’s way of regulating temperature. While sweat itself is virtually odorless, bacteria use it as a breeding ground and multiply rapidly.

What hormone is responsible for sweating?

Thyroxine helps regulate the body’s metabolism. Too much thyroxine can increase the speed of someone’s metabolism, causing excessive sweating.

Which organ is responsible for sweating?

Sweat glands, also known as sudoriferous or sudoriparous glands, from Latin sudor ‘sweat’, are small tubular structures of the skin that produce sweat. Sweat glands are a type of exocrine gland, which are glands that produce and secrete substances onto an epithelial surface by way of a duct.

Why do sweat glands stop working?

Anhidrosis occurs when your sweat glands don’t function properly, either as a result of a condition you’re born with (congenital condition) or one that affects your nerves or skin. Dehydration also can cause anhidrosis.

Why do some people have no sweat glands at all?

Some people may inherit a damaged gene that causes their sweat glands to malfunction. An inherited condition called hypohidrotic ectodermal dysplasia causes people to be born with either very few or no sweat glands. What are the symptoms of hypohidrosis?

What is the connection between sweat glands and ectodermal dysplasia?

Sweat glands and ectodermal dysplasias are more intertwined than many may realize. Most people think about hypohidrotic ectodermal dysplasia (HED) when they hear hypohidrosis. However, people affected by other types of ectodermal dysplasia may experience this symptom as well.

What is it called when you don’t sweat a lot?

The inability to sweat is called hypohidrosis and caused by a decrease in sweat glands. However, you might also hear this condition referred to as anhidrosis, meaning no sweat glands.

What is the structure and function of the sweat glands?

Structure and function of the sweat glands. Sweat glands are small, coiled, simple tubular glands that produce sweat. They are found in the dermis of the skin, throughout the body. Sweat glands are sometimes referred to as sudoriferous or sudoriparous glands. These names are derived from the latin word ‘sudor’ which means ‘sweat’.