Who Should NOT Use a Massage Chair? What Research and Real Users Say

Quick answer: For most healthy adults, a massage chair is low-risk. But "low risk" is not "no risk." Talk to a doctor first if you have osteoporosis or a past spinal fracture, a blood clot or unexplained leg swelling, a pacemaker or other implanted device, a bleeding disorder or take blood thinners, are pregnant, have had recent surgery, or have nerve damage that affects how you feel heat. Everyone else should start gentle, keep sessions short, and stop if anything hurts.

Massage chairs are often sold as something the whole family can enjoy, and for many people that is true. But a chair cannot see your X-rays or read your medical history. It presses, kneads, squeezes and warms in the same way for everyone who sits in it. This article looks at what research, health organisations and real users say about who should be careful, and why.

How risky are massage chairs, really?

The honest answer is: the risk appears to be low, but the evidence is thin. The US National Center for Complementary and Integrative Health (NCCIH) describes the risk of harm from massage as low, while noting rare reports of serious problems such as a blood clot, nerve injury or a broken bone. According to NCCIH, many of those cases involved vigorous techniques or people who were already at higher risk, such as older adults.

A 2020 overview by Ruth Werner in Massage & Bodywork collected physician-written case reports of massage-related injuries. Her key point is that such events are rare and mostly appear as one-off case reports, which cannot tell us how often they happen. She also noted that several of the reported injuries involved massage machines, including chairs and handheld devices, rather than trained therapists. A machine does not notice when you tense up or wince.

It is worth being clear about the limits here. Case reports describe what happened to one person. They show that something can happen, not that it is likely. At the same time, harms are probably under-reported, because most minor injuries never make it into a medical journal.

Bone health: the biggest concern for older users

The most direct evidence about massage chairs specifically involves weak bones.

• A 2019 case report in Osteoporosis International (Jeon and colleagues) described an older woman who felt sudden, severe upper back pain while using an automated massage chair. Scans showed a compression fracture in her mid-back linked to osteoporosis. She recovered with a brace and osteoporosis treatment, and the authors advised caution for people with osteoporosis.
• A 2022 case report in the Korean Journal of Family Medicine (Shin and colleagues) described a patient whose lower-back stress fractures had followed automated massage chair use, and who later developed a serious spinal infection.

Osteoporosis is often "silent" until a bone breaks, so many people do not know they have it. If you are buying a chair for an elderly parent in Malaysia, especially a mother past menopause, it is sensible to ask their doctor whether a bone density check makes sense first, and to use a soft intensity setting.

That said, the picture for older adults is not all negative. A 2025 randomised controlled trial in The Journal of Nutrition, Health & Aging (Kim and colleagues) gave 62 community-dwelling adults aged 65+ four weeks of massage chair sessions with a stretching mode or a standard exercise programme. The chair group improved on several physical performance measures, and the researchers reported no serious adverse events. This was a small, short, healthy sample, so it does not cover frail seniors or those with known bone disease, but it suggests that supervised, sensible use can be safe for many older adults.

Blood clots and leg swelling

Many chairs have air bags or rollers that squeeze the calves and feet. Health organisations are consistent that massage should be avoided over a known blood clot in a vein. Kaiser Permanente's health encyclopedia lists a blood clot in a vein, bleeding disorders, low platelet counts and blood thinners among the reasons to avoid massage.

A hospital article from Mandaya Hospital Group quotes a cardiologist warning people not to massage newly swollen legs before getting them checked. The concern is that swelling can be a sign of deep vein thrombosis (DVT), and a clot could break loose and travel to the lungs. Warning signs include swelling in one leg, cramp-like pain, warmth and skin colour change. This is relevant after long flights, long drives home for the holidays, surgery or long periods in bed.

Practical rule: if one leg is suddenly swollen, painful or warm, skip the leg massage and see a doctor first.

Other situations where you should check first

Pacemakers and implanted devices

Massage chairs contain motors and electronics. A typical massage chair user manual we reviewed says people with a pacemaker should not use the chair and that anyone with an implanted medical device should get their doctor's approval. Check your own chair's manual and ask your cardiologist.

Pregnancy

Kaiser Permanente advises pregnant people to check with their doctor before massage, especially if they have high blood pressure or other complications. Chair manuals commonly list pregnancy and the period just after giving birth as reasons to consult a doctor.

Recent surgery, fractures or acute injuries

Recent surgery, broken bones, and acute sprains or strains appear on most caution lists. Give the area time to heal and get your surgeon's or physiotherapist's go-ahead.

Bleeding risk and blood thinners

Werner's overview includes a report of an older man on warfarin, who also had kidney cysts, who developed internal bleeding after two vigorous massage chair sessions. People who bruise easily or take blood thinners should use gentle settings and ask their doctor.

Reduced feeling, heat and diabetes

Many chairs have heating pads. Manuals warn that people with reduced sensation, for example from diabetes-related nerve damage, may not notice heat building up and can get low-temperature burns. If you cannot feel your feet or back well, keep heat off or very short.

Spine conditions, cancer and fever

Acute disc problems, spinal nerve conditions, active cancer, fever or infection, and skin wounds or inflamed skin are also common reasons to pause and ask a professional. NCCIH notes that people with cancer can benefit from massage with appropriate precautions, which a fixed chair programme may not provide.

What real users say

We read through forum discussions from massage chair owners and people trying chairs in shops. A few patterns came up again and again:

• Pain can come later. On a scoliosis patient forum, several people said a chair felt fine in the showroom but left them very sore hours later. People with curved spines or prominent bones found rollers pressed in the wrong places. One user found a softening pad helped.
• Fit matters. Owners on a general tech forum mentioned calf and leg rollers that were too tight for their body, and cheaper chairs that simply felt uncomfortable.
• Regular users report real benefits. Some long-time owners describe relief in the lower back and shoulders and deep relaxation after a 30-minute session.
• Not everyone is convinced. A few people sold their chair or felt a small handheld massager was enough for them.

These are personal experiences, not evidence of how common problems are, but they match the advice from health sources: start gentle and listen to your body.

Common mistakes to avoid

1. Going straight to maximum intensity. Start on the lowest setting for the first few sessions.
2. Very long sessions. The manual we reviewed suggests no more than about 30 minutes per session and not focusing on one area for too long.
3. Using it after alcohol or falling asleep with heat on. Both are warned against in manuals.
4. Massaging through sharp pain. Soreness the next day can happen when you are new; sharp or worsening pain is a signal to stop.
5. Letting children or frail elders use it unsupervised. Someone should be nearby who can stop the programme.

Who should be careful / talk to a doctor first

• People with osteoporosis, a past spinal fracture, or older adults who have never had a bone check
• Anyone with a known blood clot, or new swelling, pain or warmth in one leg
• People with a pacemaker or other implanted medical device
• People with a bleeding disorder, low platelets or on blood thinners
• Pregnant women and those who recently gave birth
• Anyone recovering from surgery, a fracture or an acute injury
• People with diabetes-related nerve damage or reduced sensation (especially with heat)
• People with active cancer, fever, infection, or acute disc or nerve problems

The bottom line

For most healthy adults, a massage chair used gently and sensibly appears to be a low-risk way to relax. The rare serious problems in the medical literature tend to cluster around weak bones, blood clots, bleeding risk and vigorous use. If any of those apply to you or a family member, a short conversation with your doctor is worth it.

If you are exploring options for yourself or your parents, you can browse our massage chair collection, or try different intensity levels in person at a SnowFit showroom before deciding. Our team can show you how to start on gentle settings.

References

1. Massage Therapy: What You Need To Know - National Center for Complementary and Integrative Health (NCCIH)
2. "Low Risk" Does Not Equal "No Risk": An Overview of Reports of Adverse Events - Werner R., Massage & Bodywork (ABMP), 2020
3. Case report: electrical automated massage chair use can induce osteoporotic vertebral compression fracture - Jeon CH et al., Osteoporosis International, 2019
4. A Rare Case of Spinal Epidural Abscess Following Urinary Tract Infection in a Patient with Pre-existing Stress Fractures of the Lumbar Spine - Shin W et al., Korean Journal of Family Medicine, 2022
5. Effect of the BFR-7211 on lower limb muscle strength in older adults: a randomized controlled trial - Kim Y et al., The Journal of Nutrition, Health & Aging, 2025
6. Massage Therapy - Kaiser Permanente Health Encyclopedia
7. Don't Get a Massage Carelessly! Swollen Legs Could Be a Sign of Deep Vein Thrombosis (DVT) - Mandaya Hospital Group
8. Massage chairs (patient forum discussion) - National Scoliosis Foundation forum
9. What are the reasons to buy a massage chair? (owner discussion) - Overclock.net forum

This article is for general information and is not medical advice.