What are the health risks of drinking three liters of water a day?

Drinking three liters of water a day occasionally due to sports and other reasons is not harmful to healthy adults, but for patients suffering from renal insufficiency, heart failure, water intoxication and other diseases, drinking three liters of water a day will cause too much burden on the body and aggravate the condition.
1. renal insufficiency: various causes of renal insufficiency can make the patient appear water electrolyte disorders, edema and other symptoms, if the patient drinks three liters of water a day, then it will aggravate the above symptoms.
2. Heart failure: heart failure patients who drink three liters of water a day, then it will lead to heart preload overload, aggravate heart failure, patients with respiratory distress, edema and other symptoms will also be aggravated.
3. Water intoxication: water intoxication is also called dilutional hyponatremia, which is a disease in which plasma osmolality decreases in the patient’s body and water is retained, and if patients with this disease drink three liters of water a day, it will lead to further aggravation of the above situation, and even lead to patients with headache, vomiting, coma, respiratory depression and other symptoms.
In addition to the above diseases, patients with other diseases may also be aggravated if they drink three liters of water a day. Ordinary people who drink a lot of water for a long time are also prone to increase the burden on the kidneys and affect their lives.