Symptoms of water intoxication tend to start appearing after you consume more than 3 to 4 L of water in a few hours. Potential symptoms include: head pain. cramping, spasms, or weakness in your muscles.
Is 4 Litres of water a day too much?
Drinking enough water offers health benefits, however, drinking too much water, such as 3-4 liters of water, in a short period leads to water intoxication. For proper metabolism, a normal human body requires about two liters of water.
Has anyone ever drank too much water and died?
It is rare, but there have been several other highly-publicized cases of death from over-hydration. In 2007, a California woman died after drinking about two gallons of water as part of a radio station contest. The Sacramento County coroner found that Jennifer Lea Strange, 28, died of water intoxication.