IRATHERM® 1000M · Whole-Body Hyperthermia

A fever you choose,

not one you catch

We raise your core temperature to 38.5–39.5°C in a monitored clinical setting — the same signal your body uses to fight illness, deployed on purpose to activate circulation, immunity, and repair.

Class BHSA/SMDR & MDA registered device
40+ yrsGerman clinical research, Von Ardenne Institute
Doctor-ledScreened & monitored every session
IRAsoft®Real-time temperature & vitals tracking

Core Temperature

Session live
38.9°C
37.037.938.539.5°C
Target range reached in roughly 45 min, held for a monitored plateau, then gradually cooled.
The Mechanism

Your body has already run this program — when it was sick.

A fever isn't a malfunction. It's your immune system raising the temperature on purpose because heat helps it work. Hyperthermia treatment borrows that same physiology, in a setting where the rise is gentle, exact, and supervised.

01

Circulation & oxygen delivery

Blood vessels dilate under sustained warmth, moving oxygen and nutrients more efficiently through tissue.

02

Immune activation

Elevated core temperature mobilises the same immune signalling your body uses to fight infection.

03

Inflammation & pain

Patients report reduced stiffness and chronic pain, with effects that can outlast the session itself.

04

Detox & mental balance

Deep warmth supports detoxification pathways and is consistently described as deeply relaxing.

IS THIS YOU?

Six groups of patients ask us about this most.

Hyperthermia is used as a primary therapy for some conditions, and as a supportive complement to existing treatment for others. A clinician reviews which applies to you before you begin.

Pain & musculoskeletal

  • Chronic back pain
  • Fibromyalgia
  • Neuralgia
  • Ankylosing spondylitis
  • Rheumatic disease

Inflammatory & autoimmune

  • Chronic/subacute inflammation
  • Autoimmune conditions
  • Systemic scleroderma

Respiratory & allergic

  • Bronchial asthma
  • Hay fever
  • Neurodermatitis

Cardiovascular & metabolic

  • Blood pressure regulation
  • Metabolic support
  • Detoxification support

Oncology support

  • Adjunct to chemotherapy
  • Oncological pain relief
  • Immune system support

Stress, recovery & wellness

  • Burnout, stress, low mood
  • Post-COVID symptoms
  • Post-exercise recovery
  • Skin & anti-aging
The EVIDENCE

Nearly three decades of German trials, read honestly.

The results are consistently positive and the therapy is well tolerated — and the strongest results come when it's used alongside your existing care, not instead of it.

41
patients, sham-controlled RCT — the only trial of its kind in fibromyalgia
p=0.015
significantly lower pain at 4 weeks, persisting at 7 months (p=0.002)
d≈0.60
moderate added pain reduction vs. rehabilitation alone, 139 inpatients
0
withdrawals due to side effects across the sham-controlled trial
The Technology

Water-filtered infrared-A, not a sauna.

The IRATHERM®1000M, developed by the Von Ardenne Institute, uses water-filtered infrared-A radiation — the deep-penetrating part of natural sunlight, with the surface-burning wavelengths filtered out.

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Warm-up
Core temperature reaches ~39°C in roughly 45 minutes, gently and evenly.
Irradiation
Six radiators deliver uniform whole-body heat distribution.
Comfort
Open net design — no enclosed chamber, no claustrophobia.
Monitoring
IRAsoft® tracks temperature and vital signs throughout, in real time.
Session length
60–90 minutes total, including cool-down.
WHAT TO EXPECT

One session, four stages.

RELAX

Lie down comfortably

You settle into the open IRATHERM system — no chamber, unrestricted access.

WARM

Gentle temperature rise

Your core temperature is slowly, evenly raised toward the therapeutic range.

HOLD

Therapeutic plateau

The target temperature is maintained under continuous monitoring.

COOL

Gradual return

Your body is brought back to baseline before you leave. Stay hydrated throughout.

Before You Book

Who should hold off.

Hyperthermia is well tolerated by most patients, but it isn't right for everyone. We complete a full clinical screening before every first session — this therapy may not be suitable if you have:

  • A current febrile illness, or core temperature already above 37.5°C
  • Significant cardiovascular disease, including heart failure
  • Severe somatic or psychiatric comorbidities
  • Pregnancy

Please tell us about every medication you take, particularly anything affecting fluid balance or thermoregulation.

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Frequently Asked

Common questions before a first session.