It’s common knowledge that water is essential for great health. Yet too lot of it deserve to lead come water intoxication.

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Other terms because that this include:

hyperhydrationwater toxemiawater poisoning

There aren’t any firm guidelines around how lot water can kill you, yet drinking an ext than a liter (L) or so per hour because that several hours isn’t something physicians recommend.

Read on come learn more about water intoxication, including its symptoms and also when it deserve to be life-threatening.


Symptoms of water intoxication often tend to start appearing after friend consume an ext than 3 come 4 together of water in a couple of hours.

Potential symptom include:

head paincramping, spasms, or weakness in her musclesnausea or vomitingdrowsiness and fatigue

In an ext severe cases, water intoxication can likewise cause seizures or lose of consciousness. If a human doesn’t receive treatment, water intoxication deserve to be fatal.


If friend or someone rather is showing any signs or symptoms of water intoxication, particularly seizures or drowsiness, it’s finest to seek prompt medical attention.

As liquid builds increase in the body, all of its cells, including mind cells, begin to swell. Swelling in the mind can ultimately lead to coma, seizures, and death if a doctor doesn’t treat that quickly.

Eating a salty snack may provide some short-term relief while waiting for assist to arrive.

Make sure it’s not dehydration

Water intoxication symptoms have the right to seem very similar to those of dehydration. If friend aren’t sure which one you experiencing, get immediate help. Stop drinking or withholding water till you confirm the underlying cause of your symptoms.


There isn’t a set amount the water that constantly causes life-threatening water poisoning. Instead, it’s best to think in regards to the amount of water the someone drink per hour. Someone’s age, gender, and also overall wellness can likewise play a role.

The kidney of a healthy adult have the right to flush out 20 come 28 together of water every day, however they have the right to only gain rid of around 1 L each hour. This renders it hard for your kidneys to store up once you drink more than 1 L per hour.

The kidney of enlarge adults and also children tend to be less efficient, therefore the lot of water that they deserve to safely drink every hour might be a bit lower.

Water intoxication have the right to happen an ext quickly in kids or enlarge adults.


When friend drink too lot water, the can reason hyponatremia, i m sorry happens once your blood salt concentration becomes really low. If you drink much more water 보다 your kidneys can flush out, it’ll dilute the salt in your bloodstream, resulting in cells come swell.

See more: How Many Pounds Is 4 Ounces To Pounds, Ounces To Pounds Converter

Most the the reported instances of life-threatening water intoxication have involved intense physical activity, together as army training or running a marathon. Others have actually resulted from excessive water consumption due to an underlying mental health problem or forced usage as a type of abuse.

Water intoxication has additionally been linked to utilizing the medicine MDMA, specifically at music festivals. That’s because people in these settings are often dancing for long periods the time in warm environments. This, an unified with MDMA’s tendency to raise her body temperature, deserve to make you drink a lot of water.

While this is good for staying clear of dehydration, it can quickly end up being too much since MDMA also causes pee retention. This way that you aren’t urinating frequently, permitting all that extra fluid to construct up in your body.


If girlfriend regularly discover yourself drinking a most water over a short duration of time, there are a few general rules the can help you protect against water intoxication.

Generally, it’s finest to stick with drinking water in ~ the very first feeling the thirst. Once you feel quenched, organize off until you start to feeling thirsty again.

Your urine color can additionally be a valuable indicator. Clear urine may be a authorize that she at risk of overdoing it. ~ above its own, clear urine isn’t necessarily bad, yet it’s a an excellent indicator that you don’t have to drink any type of water for a while.

If you’re about to carry out an extreme workout, consider hydrating v an electrolyte drink that contains sodium, such as a sporting activities drink.


While it’s possible to dice from drink too much water, the rare. You’d need to drink a the majority of water in a short period of time, i m sorry most people will have actually a difficult time law accidentally.

But if you an endurance athlete or do a lot of strenuous physical activity, you might have a higher risk. In these cases, you can usually look at to her urine color and thirst level to tell you whether you really must be drinking extra water.

If you concerned around your water intake, speak to your healthcare provider. Lock can give you more specific recommendations based on your overall health, size, and other factors.


last medically the review on might 22, 2019


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Medically reviewed by Elaine K. Luo, M.D. — written by decision Raypole on might 22, 2019

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