I just drank 48 ounces of water, will i get water intoxication in a few minutes?

Not likely: Your renal system can excrete a water load of this size, which is about the size of four canned beverages. People with impaired renal function may not. Compulsive water drinking, a psychiatric condition, involves ingestion of larger volumes and results in low sodium, a potentially harmful problem, exercise induced hyponatremia is a condition seen during marathons from excess drinking.