Why Do I Feel Dizzy After Sauna? (& How to Prevent It)

Saunas are a popular way of relaxing and unwinding after a long day. They offer various health benefits, such as detoxification and stress relief.

However, some people may experience dizziness after using a sauna.

This article aims to explore the reasons why people feel dizzy after sauna and ways to prevent it.

How does a sauna work?

Saunas work by increasing the body's core temperature, which causes sweating.

Sweating is a natural way for the body to regulate its temperature. When we sweat, our body releases heat, which helps to cool us down.

The heat from the sauna also causes blood vessels to dilate, which increases blood flow to the skin's surface.

This increased blood flow helps to deliver oxygen and nutrients to the skin.

Benefits of using a sauna

Using a sauna offers various health benefits, including:

  • Detoxification: Sweating helps to flush out toxins from the body.

  • Stress relief: Saunas can help to reduce stress and promote relaxation.

  • Improved circulation: Increased blood flow helps to deliver oxygen and nutrients to the skin and other organs.

  • Pain relief: Saunas can help to reduce muscle and joint pain.

  • Improved skin health: Increased blood flow can help to improve skin health.

What causes dizziness after sauna?

Dizziness after sauna can be caused by several factors, including:


Sweating in a sauna can cause significant fluid loss, which can lead to dehydration.

When we are dehydrated, our blood volume decreases, which can cause a drop in blood pressure.

This drop in blood pressure can cause dizziness, lightheadedness, and even fainting.

Low blood pressure

Sauna use can also cause a drop in blood pressure, especially in people who already have low blood pressure.

When blood pressure drops, less oxygen and nutrients are delivered to the brain, which can cause dizziness and lightheadedness.

Heat exhaustion

Heat exhaustion occurs when the body's core temperature rises above normal levels, and the body is unable to cool down.

This can happen when a person spends too much time in a sauna or does not drink enough fluids.

Heat exhaustion can cause symptoms such as dizziness, headache, nausea, and weakness.

Ways to prevent dizziness after sauna

There are several ways to prevent dizziness after using a sauna:


One of the most important ways to prevent dizziness after sauna is to stay hydrated.

Drinking plenty of water before, during, and after sauna use can help to replace fluids lost through sweating and prevent dehydration.

Avoid alcohol and drugs

Alcohol and drugs can also cause dehydration and can exacerbate the effects of sauna use.

It's important to avoid consuming alcohol or drugs before or during sauna use to prevent dizziness and other side effects.

Gradual cooling down

After using a sauna, it's important to cool down gradually.

Jumping into a cold pool or taking a cold shower immediately after sauna use can cause a sudden drop in body temperature, which can lead to dizziness and lightheadedness.

Instead, it's recommended to cool down slowly by resting and drinking plenty of fluids.


Dizziness after sauna can be a concerning and uncomfortable side effect.

However, it's typically caused by dehydration, low blood pressure, or heat exhaustion.

By staying hydrated, avoiding alcohol and drugs, and cooling down gradually, it's possible to prevent dizziness after sauna and continue to enjoy the many health benefits of sauna use.


  1. Is it safe to use a sauna if I have low blood pressure?
  • Sauna use can cause a drop in blood pressure, which can be concerning for people with low blood pressure. It's recommended to speak with a healthcare professional before using a sauna if you have low blood pressure.
  1. Can using a sauna cause heat stroke?
  • While it's possible for sauna use to cause heat stroke, this is rare. However, it's important to use a sauna safely and to stay hydrated to prevent heat-related illnesses.
  1. How often should I use a sauna?
  • The frequency of sauna use depends on personal preference and individual health status. It's recommended to start with shorter sessions and gradually increase the time spent in the sauna.
  1. Can sauna use improve skin health?
  • Yes, sauna use can improve skin health by increasing blood flow to the skin's surface, which delivers oxygen and nutrients to the skin.
  1. Can children use saunas?
  • Children under the age of 16 should not use saunas, as their bodies are not fully developed and may not be able to regulate temperature as effectively as adults.

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