Is Infrared Sauna Safe? What You Need to Know

If you're considering infrared sauna therapy for the first time, safety is likely your top concern — and rightfully so. The good news? Infrared saunas are widely considered safe for most healthy adults when used properly, and decades of clinical research support their therapeutic use.

At REDSOL Wellness Club in League City, TX, we use medical-grade infrared sauna technology designed to meet the highest safety standards. Here's everything you need to know about infrared sauna safety before your first session.

How Infrared Saunas Differ From UV Radiation

One of the most common misconceptions is confusing infrared light with ultraviolet (UV) radiation. They're completely different:

UV radiation (from the sun or tanning beds) damages DNA, causes sunburn, and increases skin cancer risk
Infrared light is on the opposite end of the electromagnetic spectrum — it produces gentle, therapeutic heat without any UV exposure
Infrared is the same type of heat your body naturally emits and receives from sunlight (minus the harmful rays)

In fact, infrared technology has been used safely in hospitals for decades, including neonatal intensive care units to warm premature infants.

What About EMF Exposure?

Electromagnetic field (EMF) exposure is a valid concern with any electrical device. Here's what the science says:

High-quality infrared saunas are designed with low-EMF or ultra-low-EMF heaters that fall well below safety thresholds
The World Health Organization considers EMF levels below 100 milligauss safe for prolonged exposure
Premium infrared saunas typically emit 0.5–3 milligauss — far below safety limits
At REDSOL, our saunas are tested and certified for ultra-low EMF emissions

Clinical Classification and Research

Infrared saunas are classified as Class II medical devices, the same category as powered wheelchairs and blood pressure monitors. This classification means they've undergone rigorous review for safety.

Clinical studies published in peer-reviewed journals — including the Journal of the American College of Cardiology and the Journal of Clinical Rheumatology — have documented the safety profile of infrared sauna therapy across thousands of sessions.

Medical Considerations: Who Should Be Cautious

While infrared saunas are safe for most people, certain conditions warrant caution or medical clearance:

Consult Your Doctor First If You:

Are pregnant or trying to conceive
Have cardiovascular disease or recent heart events
Take medications that affect sweating or heat regulation (diuretics, beta-blockers, anticholinergics)
Have multiple sclerosis or other heat-sensitive neurological conditions
Have hemophilia or bleeding disorders
Have a fever or active infection

Generally Safe For:

Healthy adults of all fitness levels
People with arthritis, fibromyalgia, or chronic pain (often recommended)
Athletes and active individuals
People with mild to moderate hypertension (studies show benefit)
Those seeking stress relief and relaxation

How to Use Infrared Sauna Safely

Following these guidelines ensures a safe, enjoyable experience:

Hydrate before, during, and after — Drink at least 16–24 oz of water before your session. We provide water at REDSOL.
Start with shorter sessions — Beginners should start at 15–20 minutes and gradually work up to 30 minutes.
Listen to your body — If you feel dizzy, lightheaded, or nauseous, exit the sauna immediately.
Avoid alcohol before sessions — Alcohol impairs your body's ability to regulate temperature.
Remove metal jewelry — Metal can heat up and cause discomfort.
Cool down gradually — Don't jump into cold water immediately. Allow your body to cool naturally.