Sauna Therapy for Cancer Patients: Understanding the Benefits and Risks

Sauna therapy has been a popular practice for centuries, known for its ability to promote relaxation and detoxification. However, in recent years, it has also gained attention for its potential benefits for cancer patients. While it is not a cure, it is believed to enhance the body’s abilities to fight cancer and manage side effects of cancer treatment.

Studies have shown that sauna therapy can help reduce inflammation, increase circulation, and improve immune function. It has also been found to be an effective way to manage symptoms like fatigue, pain, and anxiety for cancer patients undergoing chemotherapy and radiation treatment.

Despite its potential benefits, there are also risks associated with sauna therapy, particularly for cancer patients. It is important for patients to consult with their healthcare provider before starting sauna therapy, as it may not be safe for everyone. High temperatures can cause dehydration, heart strain, and other complications, making it important to take precautions and listen to your body.

This article will explore the potential benefits and risks of sauna therapy for cancer patients, as well as helpful tips for incorporating it safely into your cancer care regimen.


Cancer remains one of the leading causes of death worldwide, and the search for effective treatments and therapies continues. In recent years, sauna therapy has emerged as a potential complementary treatment for cancer patients.

Sauna therapy involves exposing the body to high heat levels in a sauna or similar environment. Researchers believe that sauna therapy may help cancer patients by reducing their symptoms and improving their quality of life.

However, sauna therapy also has potential risks and side effects that should be carefully considered. In this article, we will explore the benefits and risks of sauna therapy for cancer patients, and provide an overview of the current research in this area.

What is Sauna Therapy?

Sauna Therapy is a complementary therapy that involves using a sauna or steam room to induce sweating as a means of detoxification, relaxation, and improving overall health. Sauna therapy is an ancient practice that has been used for centuries in various cultures around the world.

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The main principle of sauna therapy is to create a controlled environment in which the user experiences a rise in core body temperature. The core body temperature increase induces sweating, which is the body’s natural way of eliminating toxins and other waste products. The heat from the sauna also relaxes the muscles and increases blood flow, which can have positive effects on various systems in the body, including the immune system and cardiovascular system.

Sauna therapy has been shown to have a variety of health benefits, including reducing stress and fatigue, improving skin health, promoting cardiovascular health, aiding in weight loss, and improving sleep quality. Sauna therapy may also have benefits for cancer patients, particularly in managing symptoms such as pain, fatigue, and nausea associated with cancer treatments.

The Effectiveness of Sauna Therapy for Cancer Patients

Various studies have been conducted to determine the effectiveness of sauna therapy for cancer patients. Sauna therapy has been found to promote relaxation, improve circulation, and reduce stress levels in cancer patients.

Additionally, sauna therapy has been shown to increase the body’s production of heat shock proteins, which play an important role in protecting cells from damage caused by chemotherapy and radiation therapy. This can result in a reduction of treatment-related side effects and an improved quality of life for cancer patients.

However, it is important to note that sauna therapy should not be used as a replacement for traditional cancer treatments. While it can provide additional benefits to cancer patients, it is not a cure for cancer.

Furthermore, sauna therapy may not be suitable for all cancer patients, especially those who are currently undergoing chemotherapy or radiation therapy. It is important to consult with a healthcare provider before undergoing sauna therapy to ensure it is safe and appropriate for individual circumstances.

The Risks of Sauna Therapy for Cancer Patients

While sauna therapy has been praised for its potential benefits in aiding cancer treatment, it’s important for cancer patients and their healthcare providers to understand the potential risks.

One of the main concerns with sauna therapy is the risk of dehydration. Cancer patients may already be at risk for dehydration due to their treatments, and spending time in a hot sauna can further exacerbate this risk. It’s important for patients to drink plenty of water before and after sauna therapy sessions to prevent dehydration.

Another risk is the potential for sauna-induced hypotension, or low blood pressure. Cancer patients who already have low blood pressure or are taking medication that lowers blood pressure should use caution when considering sauna therapy. They may need to limit their time in the sauna or avoid it altogether.

There is also a risk of interaction with certain medications. The heat and sweating produced by sauna therapy can affect the way medications are absorbed and metabolized, potentially leading to dangerous interactions. Cancer patients should always consult with their healthcare provider before beginning sauna therapy to ensure it’s safe for their specific situation.

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Finally, there is a risk of burn or injury from hot sauna surfaces or devices. Cancer patients with neuropathy, or nerve damage, may have reduced sensitivity and be at greater risk for burns. It’s important for patients to use caution and follow proper safety guidelines when using a sauna.

Precautions to Take Before Trying Sauna Therapy

Before undergoing sauna therapy as a cancer patient, it is crucial to take certain precautions to ensure your safety and health. Here are some important considerations:

  • Consult with your healthcare provider: The first step is to talk to your doctor or oncologist about your intention to try sauna therapy. They can advise you on whether or not it is safe, given your specific health situation and treatment plan.
  • Avoid sauna therapy if you have certain medical conditions: Individuals with certain medical conditions such as uncontrolled hypertension, heart disease, or kidney problems should avoid sauna therapy as it poses certain risks to their health.
  • Stay hydrated: Sauna therapy can be dehydrating, so it is important to drink plenty of water before and after your session in the sauna.
  • Start with short sessions: Begin with shorter sessions and gradually build up to longer ones as your body adjusts to the heat. Sessions should be limited to no longer than 20-30 minutes.
  • Monitor your body: Listen to your body during and after each sauna session. If you experience dizziness, nausea, or any other discomfort, stop immediately and seek medical attention if necessary.

How to Safely Use a Sauna as a Cancer Patient

Step 1: Consult with Your Doctor

Before using a sauna, it is important to consult with your doctor to ensure that it is safe for you to use given your specific cancer diagnosis and treatment plan. Your doctor may have specific recommendations regarding the length of time you can spend in a sauna or whether it is even safe for you to use one at all.

Step 2: Stay Hydrated

Drinking plenty of water before entering the sauna and throughout your sauna session is crucial to avoid dehydration. Cancer patients may already be at risk for dehydration due to their treatments, so it is essential to avoid any further risk.

Step 3: Don’t Stay in Too Long

Cancer patients may be more sensitive to heat and may find it difficult to tolerate the high temperatures inside a sauna. To avoid overheating or exhaustion, it is recommended that you limit your session to no more than 10-15 minutes at a time.

Step 4: Use a Lower Temperature

Most saunas allow you to adjust the temperature to your liking. As a cancer patient, it is recommended that you use a lower temperature setting to avoid any discomfort or adverse effects. A temperature of around 140 degrees Fahrenheit is typically recommended for cancer patients.

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Step 5: Avoid Sauna Use During Chemotherapy

Using a sauna during chemotherapy is not recommended due to the potential for dehydration and changes in blood pressure. It is best to avoid sauna use during chemotherapy and to talk to your doctor about safe activities and self-care practices during this time.

Step 6: Monitor Your Symptoms

It is essential to monitor how your body responds to sauna therapy. If you experience any discomfort, dizziness, or other adverse effects, it is important to immediately stop using the sauna and seek medical attention if necessary.

Tips for Choosing the Right Sauna for Cancer Therapy

Before starting sauna therapy, it is crucial to find the right sauna that will provide the most benefits for cancer patients. Here are some tips to consider:

1. Choose the Right Type of Sauna

There are different types of saunas available such as infrared saunas, traditional Finnish saunas, and steam saunas. Infrared saunas are popular for cancer therapy as they produce heat that can penetrate deeper into the body. However, traditional Finnish saunas are also effective as they produce a higher temperature that can increase blood circulation.

2. Look for Low EMF Saunas

It is essential to find a sauna with low EMF (electromagnetic field) levels. High EMF levels can potentially cancel out the benefits of the therapy and lead to adverse effects such as headaches and nausea.

3. Check for Adequate Ventilation

Adequate ventilation is essential for ensuring that the air in the sauna is fresh and clean. Look for saunas with proper ventilation to prevent inhaling toxins and pollutants.

4. Ensure Temperature Control

The right temperature is crucial for cancer patients to receive the full benefits of the therapy. Look for a sauna that has accurate temperature control settings to ensure the right temperature is maintained throughout the session.

5. Seek Professional Advice

It is always recommended to seek advice from a health professional before starting sauna therapy. They can provide guidance on the right type of sauna and temperature for each individual’s specific needs.


Overall, there exists a significant amount of evidence suggesting that sauna therapy can provide benefits to cancer patients. However, it is important to note that sauna therapy should not be considered a substitute for conventional cancer treatments.

While some studies have demonstrated the potential for sauna therapy to improve cancer-related symptoms and quality of life, other research is needed to fully understand the mechanisms behind these benefits. In addition, some degree of caution is warranted as sauna therapy may carry risks for certain cancer patients, such as those with cardiovascular issues.

Therefore, it is recommended that cancer patients considering sauna therapy first consult with their healthcare provider to determine if it is a safe and appropriate option for them. If deemed safe, sauna therapy can be incorporated into a comprehensive treatment plan that includes conventional cancer treatments and a healthy lifestyle.

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