It’s a high temperature of 40°C in Chongqing, but I don’t sweat. What’s wrong with me?

Hidden diseases when hot and not sweating

When the weather is hot and humid, people will sweat profusely as long as they move a little. This is conducive to heat dissipation and maintains the normal body temperature of the human body. However, some people However, they are not so prone to sweating. This kind of people must first rule out the following diseases:

1. Congenital sweat gland dysplasia or sweat gland deficiency, which can manifest as generalized or localized anhidrosis.

2. Certain skin diseases, such as severe ichthyosis, scleroderma, leprosy, radiation dermatitis, skin atrophy, etc., can cause localized anhidrosis.

3. Certain nerve injuries, such as transverse myelitis, poliomyelitis, paraplegia, and local damage to the sympathetic nerve, medulla oblongata, and pons, can cause systemic or localized anhidrosis.

4. Certain medical diseases, such as diabetes, diabetes insipidus, chronic nephritis, myxedema, malignant tumors, vitamin A deficiency, etc., can also cause systemic anhidrosis.

Patients with yang deficiency who are not prone to sweating in summer are generally those with spleen and kidney yang deficiency. Such patients should pay attention to eating less cold food and should not stay in air-conditioned rooms for too long. Under the guidance of a Chinese medicine practitioner, you can usually eat some relatively warm and tonic foods and prepare them with Chinese herbal decoctions.

Those with physical conditions may wish to participate in 1-2 large-volume activities per week, such as badminton, football, etc., so that they can experience the feeling of "sweating freely" to strengthen the metabolism of the skin. Function. In addition, even in the hot summer, you can do some outdoor activities before 10 a.m. and after 5 p.m. to let your body feel the temperature of nature and sweat a little, which is actually beneficial to your health.

Be careful of "heat stroke" if you don't sweat on hot days

"Heat stroke" is a very serious form of heat stroke. In a high-temperature environment, the human body's temperature regulation function becomes imbalanced, and the body's heat cannot be dissipated and accumulates in large quantities, leading to symptoms such as high fever and coma. The usual symptoms of patients are: high fever, body temperature above 40°C, dry and hot skin without sweating, mental disorder, organ failure, etc. If not treated promptly and properly, the mortality rate is as high as 50%-70%.

The human body needs to dissipate heat in different ways, such as breathing, perspiration, etc. Too high air humidity will disrupt the perspiration function. Perspiration mainly relies on evaporation to remove moisture from the skin surface, so that the human body will be cool. When the humidity is high, there will be more water vapor in the air and less evaporation, making it difficult to cool yourself down.

In a hot environment, when the body temperature rises, the body will dissipate heat and lower the body temperature by increasing perspiration and breathing. However, if the ambient temperature is too high, the body temperature rises sharply, and the body is dehydrated, heat exhaustion will occur. Symptoms include dizziness, headache, nausea, shortness of breath and confusion.

If the body temperature rises again and fails to dissipate heat in time, it is more likely to cause whole-body cramps or coma, which is heat stroke. At this time, the patient must be cooled down and given first aid in time, otherwise his life will be in danger.

So once someone is in a high temperature environment but does not sweat, they must be vigilant, because they may have heat stroke at this time.