Pressotherapy should not cause sharp pain. Firm compression may feel normal, but numbness, increasing pain, a cold foot, a change in colour or sudden, unusual swelling mean you should stop the session. Serious adverse effects from compression are rare when it is used correctly and individual risk factors are taken into account.
Key points
- You may feel the compression; sharp pain is not normal.
- Discomfort and skin irritation are among the less serious reactions reported with compression treatments.
- A high maximum pressure is never a target to aim for.
- Persistent tingling, numbness, a cold foot or a change in colour mean you should stop the session.
- Do not automatically attribute sudden pain in one calf with swelling, redness or warmth to the boots.
- Side effects and contraindications are two different subjects.
Is pressotherapy dangerous?
For someone without a relevant medical risk, using a well-fitting device at a comfortable pressure, serious complications from compression are considered rare.
An international review of risks associated with compression treatments mainly identifies skin irritation, discomfort and pain among the less serious reactions reported. More serious complications, including skin, tissue or nerve injury, have been described, but are very rare and are mostly linked to pre-existing risk factors or unsuitable compression.
The useful question is therefore less whether “pressotherapy is dangerous” in the abstract, and more whether the device, setting and individual circumstances make its use appropriate.
What side effects might you feel during a session?
A rhythmic feeling of pressure or being gently held is expected. The session should still feel comfortable and should not cause clear pain.
Possible reactions or sensations include:
- an unfamiliar feeling of compression during the first cycles;
- discomfort if the pressure is set too high;
- skin irritation or sensitivity;
- a pressure point if a garment is positioned poorly or has a fold;
- tingling or numbness if the compression is poorly tolerated;
- unusual marks on the skin if the fit or pressure is unsuitable.
None of these sensations proves that the session is “draining better”. In particular, pain is never a sign of effectiveness.
Our guide “Is pressotherapy painful?” looks at causes related to pressure, programmes, body shape and how the accessory is positioned.
What signs mean you should stop a session immediately?
Stop the compression if it becomes painful or an unusual symptom appears. Simply lowering the pressure may not be enough when there is a warning sign.
| What you feel | Recommended response |
|---|---|
| Firm but comfortable compression | Monitor how you feel and keep the setting comfortable |
| Pinching or localised discomfort | Deflate, then check the positioning and size |
| Sharp or increasing pain | Stop the session |
| Persistent tingling or numbness | Stop and do not resume until you understand the cause |
| A cold, very pale, blue or purple foot | Stop immediately and seek medical advice |
| Pain in one calf with swelling, warmth or redness | Do not continue; seek prompt medical advice |
| Chest pain, sudden breathlessness or feeling seriously unwell | Seek urgent medical assessment |
An essential point
Sudden pain, unusual swelling or a change in colour should not be interpreted as a normal reaction to “drainage” or “detox”. An unusual symptom should be assessed on its own merits, regardless of the session.
Can too much pressure be dangerous?
Yes. Excessive compression can increase discomfort and create unnecessary pressure points. Using the device at its maximum setting does not automatically produce better results.
The pressure you feel also depends on:
- the programme selected;
- the number of chambers inflating at the same time;
- body shape;
- the size of the accessory;
- tissue sensitivity;
- the position of your legs during the session.
With an adjustable device, the sensible approach is to start low, pay attention to how you feel and increase only if the compression remains entirely comfortable.
For more guidance, see our guide to pressotherapy pressure and programmes.
Can pressotherapy boots leave bruises?
Significant or repeated bruising is not an intended result of pressotherapy. If bruises appear, pause your routine and check the pressure, accessory size and positioning, as well as any particular tendency to bruise.
If you take anticoagulants or bruise easily, be especially attentive and seek advice if you notice unusual or repeated marks.
Is pain after pressotherapy normal?
Persistent pain after a session should not be dismissed as proof that “the drainage worked”.
Your first session may leave an unfamiliar sensation, but real pain, discomfort that increases over the following hours or very localised pain warrants pausing use until you understand why it happened.
A comfortable session should end without significant pain.
Can pressotherapy cause a blood clot?
It would be misleading to suggest that pneumatic compression normally causes blood clots: intermittent pneumatic compression is, in fact, used in some medical protocols to help prevent thrombosis.
However, anyone who already has unexplained calf pain, sudden swelling in one leg, redness or localised warmth should not use a home wellness device on their own in an attempt to “improve circulation” in that area. A healthcare professional should first rule out thrombosis.
The distinction matters: a consumer pressotherapy device used at home is not a hospital pneumatic compression protocol.
Danger and contraindication: what is the difference?
A side effect is something that can occur during or after use. A contraindication is a condition present before the session that may make use unsuitable or require professional advice.
For example, pain or numbness during a session relates to tolerance and side effects. Unstable heart failure, an acute infection or suspected thrombosis instead calls for assessment before use.
Mainly wondering whether pressotherapy is suitable for you?
Our dedicated guide distinguishes when it is better to avoid a session, seek medical advice or simply adapt how you use the device.
How can you reduce the risk of side effects at home?
Safety depends chiefly on increasing pressure gradually, choosing a device that fits, following the instructions and stopping immediately if something does not feel right.
Before the session, the accessory should not feel excessively tight while deflated. During it, the compression should feel even and comfortable. Afterwards, your skin and sensations should soon return to normal.
Eclipse devices offer several levels and programmes to adjust the sensation. The maximum available pressure is a technical capability, never a target for a session.
Pressotherapy that responds to how you feel
Eclipse devices let you adjust the pressure and programme instead of imposing a single intensity. Starting gently remains the most important rule.
Frequently asked questions about pressotherapy risks
Is pressotherapy dangerous for the legs?
Used correctly by someone without a known risk factor, it is generally well tolerated. Pain, numbness, a cold foot or unusual swelling should never be ignored.
What are the main side effects of pressotherapy?
Discomfort, skin irritation and pain are among the less serious reactions described with compression. Poor fit or excessive pressure may also cause pressure points.
Is tingling normal?
Persistent tingling or numbness is not something to aim for. Stop the session, release the compression and do not resume until you understand the cause.
Is a very intense session more effective?
No. Maximum pressure is not a target, and a painful session is not a more effective one. Adjust the setting gradually and keep it comfortable.
Can you use pressotherapy if you take anticoagulants?
Taking anticoagulants does not, on its own, settle whether a session is appropriate. Discuss the reason for your treatment and your risk of bruising or bleeding with the healthcare professional who looks after you.
When should you seek prompt medical advice?
Sudden pain in one calf with swelling, warmth or redness needs prompt assessment. Chest pain or sudden breathlessness requires urgent medical care.
Further reading
Pressotherapy contraindications: when should you avoid it?
Sources and method
This resource distinguishes reactions to compression from medical conditions that call for an assessment before use. Findings from medical compression are not used to present Eclipse wellness devices as medical devices.
- Rabe E. et al. — Risks and contraindications of medical compression treatment: international consensus statement, 2020.
- Schwahn-Schreiber C. et al. — S1 guideline on intermittent pneumatic compression.
- Chelsea and Westminster Hospital NHS — Intermittent Pneumatic Compression.
- Haute Autorité de Santé — intermittent pneumatic compression and prevention of thromboembolism.
Author: Maxime Collier — Eclipse
Updated: 10 August 2026
Transparency: Eclipse sells pressotherapy devices intended for home wellness use. This article draws on publications about medical compression to explain safety principles; it does not make Eclipse devices medical devices or replace individual professional advice.
