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What to Wear, Bring and Leave Out of a Hyperbaric Session
September 27, 2026 2 min read
Short answer: Wear simple, comfortable clothing, leave anything that can spark or heat outside, and follow the manufacturer's manual over any general checklist. Oxygen-enriched air increases fire risk, so the rule is to keep flames, sparks and heat sources away from the chamber and the oxygen equipment.
Last reviewed: September 2026. General guidance only. Your chamber's manual and your physician take priority. See our disclaimer.
Checklist
| Before you start | Why |
|---|---|
| Read the manual, including how to release pressure | You should never learn the release procedure mid-session |
| Wear comfortable clothing; check the manual for fabric guidance | Comfort, and less risk of static or snagging |
| Leave lighters, matches, heaters and anything that can spark outside the room | Oxygen-enriched air makes fire more dangerous |
| Check what the manual says about phones, electronics and batteries | Some are not allowed inside; follow the manual |
| Check what the manual says about lotions, sprays and petroleum-based products | Some are flagged for use near oxygen |
| Use the bathroom and bring a drink if allowed | Sessions often run about an hour |
| Inspect zippers, seals, valves and gauges | Damage should be repaired before use |
| Tell someone at home when you start | Someone should be able to help |
Set up the room
- Keep the oxygen concentrator and compressor with clear airflow.
- No open flames, candles or space heaters nearby.
- A smoke detector and a clear path to exit.
Read hyperbaric chamber safety, what to expect in a first session and how often to use one.
Frequently asked questions
Can I bring my phone into the chamber?
Check your manual. Many manufacturers restrict electronics, batteries and anything that can spark. If in doubt, leave it outside.
How long is a session?
Sessions are often around an hour, but the manual and your physician set the exact procedure.
A hyperbaric chamber is a pressurized, oxygen-enriched environment. Use only as directed in the manufacturer's manual, keep flames, sparks and heat sources away, and consult a physician before use. Not intended to diagnose, treat, cure, or prevent any disease or medical condition.