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In this text, we deal with night sweats that appear in men less than 40 years of age. As there can be many factors that can have impact on night sweat, we will try to elaborate on each one of them. In medicine, this condition is classified as nocturnal hyperhidrosis or sleep hyperhidrosis and it can be very disturbing because pajamas can wet completely and this can wake up from sound sleep. In some men it appears every night, while in others it can appear more rarely. There is a misbelieve created on a false assumption that this appears only in women during menopause, but the reality says that it is a frequent trouble in men under 40.

Common Causes of Night Sweats in Men Under 40

Causes for night sweats in men may vary from some that are harmless to some more severe medical conditions. One of the causes is idiopathic hyperhidrosis and it is a condition that causes around the clock sweating, not exclusively during the night. The reason for this condition isn’t yet determined. Food can also contribute to night sweats, because some spicy food, alcohol, garlic and onion may cause sweating through out the night. It is also noticed that some medicines cause cold night sweats as one of the side effects. Medicines that belong to that group include includes anti-depressants, acetaminophen, nitroglycerin, sildenafil drugs and some other similar medicines. There can also be another underlying medical cause of the night sweat occurrence related to some severe infections. Because of the infection, body temperature rises above the normal level and that leads to night fever. Infections that can cause those kinds of night sweats include tuberculosis, endocarditis, osteomyelitis and HIV infection. Another cause for night sweats can also be andropause. Even though it usually appears after 40, if may also occur at 35 and in this case, the level of hormones is changing, which causes misbalance. The good thing about andropause is that it is just a temporary phase and that doesn’t last for too long.

There are also other causes for night sweat in men who are under 40, but they appear less often, and include some disorders, thyroid problems, lymphoma (cancer) etc.


As we have seen from this article, there are more than just a few causes of night sweats in men, and the best would be to visit a doctor in order to determine the cause of night sweat before the treatment begins. There is a different method of treatment for every cause and in some cases, doctors can recommend Botox injection to block nerves of hands, feet and arm because they create the biggest amount of sweat. If the cause for night sweats in men doesn’t have any medical roots, then the best solution would be to change life style and introduce healthy living in your everyday life.

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