what are the symptoms of drinking too much water?
Water intoxication or poisoning is a life-threatening condition caused by excessive water drinking that results in a drop of blood sodium levels orâwith a medical termâdilutional hyponatremia (1) . Drinking as little as 2 liters of water per hour for few successive hours can result in water intoxication. Symptoms and signs of water overdose in adults can include headache, vomiting, swelling of the hands and feet, confusion, seizures, coma or even death.