How to Use a Sauna Safely: A Complete Guide

Sauna use is safe and enjoyable for most healthy adults when done thoughtfully. This guide covers the basics of safe sauna use so you can build a routine with confidence.

This page is for general informational purposes and is not medical advice. Always consult your doctor before starting sauna use, especially if any of the precautions below apply to you.

Recommended Session Length

  • Beginners: start with 10–15 minutes at a lower temperature setting
  • Regular users: most people settle into 20–30 minute sessions, a few times per week
  • Maximum: avoid exceeding 40–45 minutes in a single session, and always exit immediately if you feel dizzy, nauseous, or unwell

Hydration Guidelines

  • Drink water before your session — don't start already dehydrated
  • Keep water nearby during your session, especially for sessions longer than 20 minutes
  • Rehydrate after your session to replace fluids lost through sweating
  • Avoid alcohol before or immediately after sauna use, as it increases dehydration risk

Who Should Check With a Doctor Before Using a Sauna

Sauna use isn't appropriate for everyone. Talk to your doctor first if you:

  • Are pregnant or trying to become pregnant
  • Have a heart condition, including arrhythmia or a history of heart attack
  • Have low or high blood pressure that isn't well-controlled
  • Are on medication that affects blood pressure, heart rate, or hydration
  • Have a condition affecting your ability to sweat or regulate body temperature
  • Have recently consumed alcohol
  • Are unwell, feverish, or fighting an infection

General Safety Tips

  1. Never use a sauna alone if you're new to it — have someone nearby, especially for your first several sessions.
  2. Exit immediately if you feel dizzy, lightheaded, nauseous, or your heart is racing uncomfortably.
  3. Avoid sauna use immediately after intense exercise — let your heart rate settle first.
  4. Don't combine sauna use with alcohol or sedating medication.
  5. Shower after your session to rinse off sweat and help your body cool down gradually.
  6. Give yourself time to cool down before driving or doing anything requiring full alertness.

Building a Safe, Sustainable Routine

Consistency matters more than intensity. A shorter, regular routine (a few sessions a week) is a safer and more sustainable way to build sauna use into your wellness routine than occasional long, high-heat sessions.

Frequently Asked Questions

Is it safe to use a sauna every day? For many healthy adults, yes — but it's best to start with 3–4 sessions a week and build up gradually, paying attention to how your body responds.

Can I use a sauna if I'm on medication? It depends on the medication. Anything affecting blood pressure, heart rate, or hydration warrants a conversation with your doctor first.

Is infrared sauna use safe during pregnancy? Sauna use, including infrared, is generally not recommended during pregnancy without direct guidance from your doctor, due to the risk of overheating. Always check with your healthcare provider first.

Have more questions about safe sauna use? Contact our team — we're happy to help.