Many people feel embarrassed wearing light-colored clothing, anxious when shaking hands, standing close to others, or participating in crowded activities due to persistent underarm sweating. Excessive underarm sweating is not only an aesthetic issue but may also be related to disorders of the sympathetic nervous system or certain systemic diseases.
- Why do armpits sweat more in hot weather?
- How does underarm sweating affect daily life?
- Overcoming underarm sweating through lifestyle changes.
So what causes excessive underarm sweating in hot weather, and what are effective solutions to control this condition?
Why do armpits sweat more in hot weather?
Sweating is a natural physiological mechanism that helps the body regulate temperature. When the weather is hot or the body is exercising vigorously, the sweat glands increase their activity to cool the body.
However, in some people, the sweat glands in the armpits are overactive, causing an abnormally large amount of sweat to be produced, even when not exercising or in cool environments.
According to medical studies, changes in ambient temperature and the intensity of solar radiation are directly related to the body's sweating rate.

Excessive underarm sweating and unpleasant odor can significantly impact daily life and self-confidence in social interactions.
When the outdoor temperature rises, the sympathetic nervous system becomes more strongly stimulated. This is the nervous system that controls the activity of the sweat glands. As a result, the sweat glands in the armpits continuously increase their secretion, causing a feeling of dampness and discomfort.
The impact of sunlight
High solar radiation intensity forces the body to work harder to cool down. This increases the need to sweat, especially in areas with a high concentration of sweat glands such as the armpits, palms, and soles of the feet.
Stress
Many people find that the more nervous, anxious, or stressed they are, the more they sweat in their armpits. This happens because stress stimulates the sympathetic nervous system to become more active than usual.
How does underarm sweating affect daily life?
Although not life-threatening, excessive underarm sweating significantly impacts quality of life.
Patients often experience:
- Lack of confidence when communicating.
- Reluctant to wear light-colored clothes.
- Worried about body odor.
- Difficulty concentrating at work.
- It affects social relationships.
Furthermore, prolonged dampness in the armpits creates favorable conditions for bacteria to grow, causing folliculitis, skin irritation, and unpleasant odor.
Overcoming underarm sweating through lifestyle changes.
According to experts, in many mild cases, adjusting lifestyle habits can effectively help control excessive sweating.
- Keep a relaxed mind.
Stress and tension stimulate the sweat glands to become more active. Therefore, it is necessary to maintain a stable mental state, get enough sleep, and avoid prolonged stress.
People who frequently experience anxiety can try relaxation techniques such as yoga, meditation, or deep breathing exercises.
- Choose appropriate clothing.
Loose-fitting clothing made of cotton or breathable fabrics is recommended to help keep the underarm area dry and airy.
Avoid wearing tight-fitting clothes or materials that trap heat, as these can easily increase sweating.
- Adjust your diet.
Some foods can stimulate the sweat glands to become more active, such as:
- Chili peppers, black pepper, spicy food.
- Onions, garlic.
- Coffee, alcohol, and tobacco.
People who sweat excessively should limit their intake of these foods.
Instead, you should increase your intake of green vegetables, vitamin-rich fruits, and drink enough water every day to help regulate body temperature. Adequate hydration helps the body regulate temperature more effectively and reduces sweat gland stimulation.
- Appropriate training
Regular exercise helps improve overall health and supports the regulation of the autonomic nervous system.
However, people who sweat excessively should avoid strenuous sports or exercising in excessively hot environments.
If excessive underarm sweating persists, significantly affects daily life, or is accompanied by unusual symptoms such as weight loss, rapid heartbeat, hand tremors, or persistent fatigue, patients should seek medical attention.
The examination helps determine the cause and rule out related endocrine or neurological conditions.
In summary: Excessive underarm sweating is not simply a physiological issue but also significantly impacts psychology and quality of life.
Instead of accepting and living with feelings of low self-esteem, patients can completely control this condition by changing their lifestyle and combining it with appropriate treatment methods.
If underarm sweating persists and affects daily life, people should proactively seek specialist consultation to receive advice on effective, safe, and appropriate treatment methods for their health condition.
Source: https://suckhoedoisong.vn/4-cach-khac-phuc-mo-hoi-nach-mua-nang-nong-169260515161748457.htm







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