Conditions

Long COVIDand Recovery Modalities

Long COVID is a complex, multi-system condition, and no wellness modality is a cure. Here is an honest, evidence-graded look at where the research on recovery approaches actually stands.

Updated July 20262 modalities graded6 sources
Post-COVID conditionPASCLong-haul COVIDPost-acute sequelae of SARS-CoV-2

This page is wellness information, not medical advice. It does not diagnose, treat, or cure any condition. Modalities described here are not substitutes for evaluation and treatment by a licensed healthcare professional. Always consult your doctor before starting any new therapy, particularly with long COVID, where activity and heat tolerance vary widely.

01The condition

What long covid is

Long COVID (post-COVID condition) refers to symptoms that persist or emerge three or more months after a SARS-CoV-2 infection and can't be explained by another diagnosis. It commonly involves fatigue, post-exertional malaise, cognitive difficulty ('brain fog'), breathlessness, and autonomic symptoms, and its course varies widely from person to person. Recovery-focused modalities are sometimes explored for symptom relief and general well-being, but the evidence is early and mixed, and any use should complement — not replace — care from a qualified clinician.

Common symptoms

  • Persistent fatigue and low energy
  • Post-exertional malaise (symptoms worsen after activity)
  • Cognitive difficulty or 'brain fog'
  • Shortness of breath
  • Heart palpitations or lightheadedness on standing (dysautonomia/POTS)
  • Disrupted, unrefreshing sleep

02The evidence

What might help, graded honestly

Each modality below is graded on the strength of its research for this condition specifically — strongest first, with what every cited study actually found.

Hyperbaric oxygen

Mixed findings

Why it might help

Breathing near-100% oxygen under increased pressure raises tissue oxygenation; researchers hypothesize this may reduce neuroinflammation, improve cerebral blood flow and endothelial function, and support neuroplasticity.

What the research shows

Small sham-controlled trials of hyperbaric oxygen have reported improvements in cognition, fatigue, sleep, and pain in some people with long COVID, but a later placebo-controlled trial using far fewer sessions found no benefit over sham. The evidence is genuinely mixed and far from settled.

Sources & what they found (2)

Infrared sauna

Limited evidence

Why it might help

Gentle whole-body far-infrared heating raises peripheral circulation and may shift autonomic balance and promote relaxation; any relevance to post-viral fatigue is proposed rather than demonstrated.

What the research shows

There are no published trials of infrared sauna specifically for long COVID. Small pilot studies of far-infrared (Waon) therapy in the overlapping condition myalgic encephalomyelitis/chronic fatigue syndrome have reported reduced fatigue, so any benefit for long COVID is unproven and extrapolated.

Sources & what they found (2)

Grades run from established (consistent human trials) down to not established(no good evidence) and reflect research quality for this condition specifically — not whether a modality “works” in general.

03Safety first

Check before you book

When these modalities can be risky

  • Post-exertional malaise means 'pushing through' heat or exertion can trigger symptom crashes — pacing matters more than intensity
  • Autonomic symptoms (POTS/orthostatic intolerance) are common in long COVID; heat exposure such as saunas can worsen dizziness, fainting and palpitations
  • Hyperbaric oxygen is not appropriate with an untreated collapsed lung (pneumothorax), certain air-trapping lung conditions, or recent ear/sinus surgery, and can cause middle-ear barotrauma
  • Dehydration and overheating risk with any heat-based modality; hydrate and stop if unwell
  • Pregnancy and unstable cardiovascular disease warrant clinician clearance before heat or pressure-based sessions

When to see a doctor

See a doctor if you have new or worsening chest pain, severe shortness of breath, fainting, a racing or irregular heartbeat, signs of a blood clot (leg swelling/pain), or symptoms that are progressively disabling. Long COVID should be evaluated and managed by a qualified clinician, and any recovery modality should be discussed with them first — especially given the risk of post-exertional crashes.

04Where to try it

Where to try hyperbaric oxygen near you

Studios offering hyperbaric oxygen — the modality with the strongest evidence grade on this page (mixed findings). If any caution above applies to you, talk to your clinician first.

DOC's

5 modalities

Wall, NJ

5.0· 1 reviews

DOC's is a Wall, NJ recovery facility offering innovative holistic therapies for athletic performance and life extension — whole-body cryotherapy, hyperbaric oxygen, Normatec compression, Sunlighten infrared sauna, and Theralight red light.

CryotherapyHyperbaric oxygenCompression therapyInfrared sauna+1
Website ↗
Next Health West Hollywood — recovery studio in West Hollywood, CA

West Hollywood, CA

5.0· 2250 reviews

West Hollywood wellness center for NAD+, IV drips, hormone therapy, infrared therapy, hyperbaric oxygen, EBOO ozone & plasma exchange on the Sunset Strip.

CryotherapyHyperbaric oxygenInfrared saunaRed light therapy+1
Website ↗
Next Health — recovery studio in Los Angeles, CA

Next Health

4 modalities

Los Angeles, CA

5.0· 1493 reviews

Wellness center in Century City with IV drips, NAD+ infusions, hormone optimization, hyperbaric oxygen, infrared therapy, EBOO ozone & plasma exchange.

CryotherapyIV & hydrationHyperbaric oxygenRed light therapy
Website ↗

Next Health

5 modalities

New York, NY

5.0· 1217 reviews

Advanced wellness & longevity center on Madison Ave

CryotherapyIV & hydrationHyperbaric oxygenInfrared sauna+1
Website ↗
Restore Hyper Wellness - Houston, TX - West University — recovery studio in Houston, TX

Houston, TX

5.0· 1163 reviews

Personalized, science-backed recovery therapies in Houston West University including whole-body cryotherapy, red light therapy, infrared sauna, compression, IV drip therapy, and mild hyperbaric oxygen therapy to decrease inflammation, optimize sleep, and boost energy.

CryotherapyRed light therapyInfrared saunaCompression therapy+2
Website ↗

Kansas City, MO

5.0· 1047 reviews

Full-service hyper-wellness studio in Kansas City's Zona Rosa offering cryotherapy, infrared sauna, IV drips, red light, compression, and mild hyperbaric oxygen therapy.

CryotherapyLocalized cryotherapyInfrared saunaRed light therapy+3
Website ↗

05Questions

Frequently asked questions

Does hyperbaric oxygen therapy work for long COVID?

The evidence is mixed. A sham-controlled trial using 40 sessions reported improvements in cognition, fatigue, sleep and pain, while a later placebo-controlled trial using only 10 sessions found no benefit over sham. It may help some people, but it is not an established treatment, and it should only be considered with medical guidance.

Can infrared sauna help long COVID fatigue?

There's no direct trial evidence in long COVID. Small pilot studies in the related condition ME/CFS have reported reduced fatigue with far-infrared (Waon) therapy, so it's a preliminary, extrapolated signal at best. Because heat can worsen autonomic symptoms in some people, start gently and clear it with your doctor first.

Is it safe to use a sauna or cold plunge if I have long COVID?

It depends on your symptoms. People with post-exertional malaise or POTS-type autonomic symptoms can react badly to heat or cold stress, and 'pushing through' can trigger a crash. If you try any temperature-based modality, keep sessions short, monitor how you feel over the next 24-48 hours, and stop if symptoms flare.

What actually has the strongest evidence for long COVID recovery?

Currently, symptom-guided medical care and paced rehabilitation — not any single wellness modality — have the most support. Among the modalities here, hyperbaric oxygen has the most formal trial data, but those trials disagree with each other. Treat all recovery modalities as complementary and unproven, not as primary treatment.

Why is the evidence so uncertain?

Long COVID is a young, heterogeneous condition, and the trials so far are small, use different protocols, and sometimes conflict. That's why credible sources hedge: modalities may help some people, but 'may help' is not the same as 'proven to work.'

Turn the evidence into a plan

Take the 60-second Fit Check and get an evidence-aware starting point — which modalities to look at first, and which to run past your doctor.

Wellness information, not medical advice. Recovery modalities do not treat or cure any condition and never replace care from a qualified clinician.