In rare cases, it can also cause brain swelling, which can become fatal.

This article reviews the potential causes of water intoxication, signs, and treatment.

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What Happens If You Drink Too Much Water?

A runner pauses on a bridge to drink water in hot weather

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Drinking too much water can result in water intoxication.

Overhydration comes up whenever the body’s volume of water becomes more than the kidneys can process and excrete.

Sodium helps maintain water balance in and around the body’s cells.

The balance is important for muscle and nerve function and maintaining blood pressure levels.

This increase of water within the cells can lead to various health problems.

Signs and symptoms may include:

In severe cases, water intoxication can lead toseizuresor a loss of consciousness.

What Causes Water Intoxication?

Water intoxication in healthy people is rare, though it can happen.

Drug Interactions

Some drugs may make you extremely thirsty and cause hyponatremia.

Can You Die From Drinking Too Much Water?

How Much Water Is Too Much?

There isnt a set amount of water that is too much for the general population.

The amount of water they can safely drink may be lower.

Always consult a healthcare provider for guidance on what amount of water is safe for you per day.

How Much Water Do You Need Each Day?

There is no official recommendation for how much plain water everyone should drink per day.

Aim forurine colorthat is pale yellow or the color of lemonade.

How Is Water Intoxication Treated?

Treatment for water intoxication will depend on the severity and the underlying cause.

Water intoxication is rare.

Urine color may be a good indicator of hydration status, with a goal of having pale yellow urine.

Always talk with a healthcare provider for more individualized water intake recommendations.

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National Kidney Foundation.Hyponatremia (low sodium level in the blood).

Kenefick RW.Drinking strategies: planned drinking versus drinking to thirst.Sports Med.