For most people, although drink 8 glasses of water a day basically harmless, but not the actual need to drink water, can not bring more health benefits. And excessive drinking water may even have some potential risks. So, what are the reasons that kidney pain after drinking water?

According to the recommendation of the European Society of Urology, for some patients with kidney stones, drink plenty of water every day to more than 2000 ml of urine, help reduce the risk of stone formation, and can excrete small stones in the body; but if the body has large diameter stones, especially these stones appear in the urinary tract stenosis, blindly drink plenty of water will only increase the obstruction of the urinary system, resulting in kidney pain.

At the same time, excessive drinking water will increase blood volume, increase the burden on the heart, which for patients with heart failure or part of the elderly is a dangerous thing.

Then in addition to kidney pain after drinking water, what the harm may bring to our body that taking a lot of water?

Drinking too much water can cause poisoning, the general drinking water is unlikely to lead to water poisoning, because the body has a good regulatory mechanism, the regulation mainly by the kidney. Drink more water will be more water, drink less on the less row of some.

Although the regulation of the kidney is delicate, but it is designed for normal drinking water, the ceiling is 800 to 1000 ml of water per hour. Older people, young children and sick people, the upper limit is even lower. Excessive, too fast drinking water if the ability to adjust the kidney, the direct result is the reduction of blood sodium concentration.

In the case of normal renal function, our two kidneys work twenty-four hours a day, about 1 to 2 liters of urine. When a water into the body too much, too late to be filtered by the kidneys of water, forced to stay in the body cells, destruction of normal operation, leading to water poisoning. Light headache, edema; serious have to get medical advice. Serious can be terrible, the patient can develop epilepsy, coma, and even permanent nerve damage.

Some people may ask why people take alcohol not poisoning? Because alcohol has a certain diuretic effect: alcohol metabolism in the liver to consume a lot of water, alcohol excretion through the kidneys have to take away a lot of water. Of course, this is not to say that drinking is better than drinking water, on the contrary, excessive drinking on the human body also has various risks.

Most of the water can be prevented and avoided, the normal drinking water people do not have to worry about. Often do heavy physical labor, physical training and mental illness are high-risk groups, need to be vigilant. People who take ecstasy after bite if they are taking drugs, to stop and send medicine as soon as possible, there are many cases of water poisoning occurs after taking ecstasy. In addition, we should also pay attention not to give children within 6 months  water, which must be the common sense of childbearing. Because according to the American Academy of Pediatrics, within six months of breastfeeding babies without water, breast milk in the water is enough. The same reason, milk feeding is not too thin

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