Hyperhidrosis, which causes a lot of sweat on the hands and feet, is not only inconvenient, but in severe cases, there is a risk of depression or dehydration.

There are many people who are reluctant to take treatment because they are worried about side effects.


23-year-old Jang Tae-kyung visited the hospital because her hands and feet sweat a lot.

[I'm sweating like this...


[Taekyung Jang/Hyperhidrosis patient: When it was an important exam or such an important position (even worse), I used to be a driver, but after I finished, I first heard that it was sticky and salty…


In Korea, 15,000 people receive treatment every year, and the actual number of patients is estimated to be 10 times more.

27% of people with hyperhidrosis suffer from depression.

In hot weather, you can sweat up to 10 liters, which puts you at risk of dehydration.

Infectious diseases or medications may temporarily cause excessive sweating.

Excessive sweating occurs on both sides of the body at least once a week, symptoms start before the age of 25, have a family history, or if two or more of these occur, it can be considered hyperhidrosis.

Medicines and botox injections are also used, but the fundamental treatment is surgery.

In the past, the sweat glands were mainly blocked between the 2nd and 3rd ribs, but there were many side effects of compensatory hyperhidrosis, where the sweating area moves.

However, when Severance Hospital blocked the sweat glands between the 4th ribs, the side effects were greatly reduced.

[Lee Sung-soo/Professor of Thoracic Surgery at Gangnam Severance Hospital: Recently, when the 4th (rib) sympathetic nerve was resected, if the amount of sweat on the hand was 100 before the operation, now it is reduced to 15, and compensatory hyperhidrosis has also decreased significantly.]

Another option is to divide the operation in half.

[Lee Sung-soo / Professor of Thoracic Surgery at Gangnam Severance Hospital: Only one side is operated first.

I felt the half-compensatory hyperhidrosis now coming when I had sympathectomy on the right side only...


Recently, different surgical methods are used depending on sweaty areas such as hands, feet, and armpits.

(Video coverage: Jeon Gyeong-bae, video editing: Yoon Tae-ho, CG: Jang Seong-beom, Kim Jeong-eun)