Reiki shows some promise for pain relief in certain situations, but the evidence is mixed and generally not strong enough for major health organizations to endorse it as a pain treatment. A 2018 meta-analysis found that reiki produced a statistically significant decrease in pain scores compared to control groups, yet the National Center for Complementary and Integrative Health states that reiki “hasn’t been clearly shown to be effective for any health-related purpose,” citing inconsistent results and low-quality research across most studies.
That gap between individual positive studies and the broader scientific verdict is the core of the reiki-and-pain question. The answer depends heavily on what type of pain you’re dealing with.
What the Overall Evidence Shows
A meta-analysis pooling data from multiple trials found that people who received reiki reported notably lower pain scores than those in control groups. The effect size was meaningful on paper. But when you zoom into individual, well-designed trials, the picture gets less clear. Many of the studies that show benefits are small, lack proper blinding, or don’t include a convincing sham comparison. When researchers tighten up study design, the positive results tend to shrink or disappear.
This is a common pattern with hands-on therapies. The act of lying still in a quiet room while someone gives you calm, focused attention can itself reduce how much pain you perceive. Separating that relaxation effect from a specific reiki effect is extremely difficult, and most studies haven’t managed to do it convincingly.
Cancer and Palliative Care Pain
The strongest positive findings for reiki come from cancer and palliative care settings. A randomized controlled study of patients with stage III and IV cancer found that those receiving reiki experienced significant reductions in pain levels over time compared to a control group. They also used fewer pain medications and reported less fatigue. The improvements were statistically significant across all three measures.
This makes some intuitive sense. People dealing with advanced cancer often carry enormous physical and emotional tension. A calming, touch-based practice in that context may help the body relax enough to lower the overall pain experience. Whether that’s a unique property of reiki or a broader benefit of compassionate, focused touch remains an open question, but for patients in palliative care, the practical result matters more than the mechanism.
Postoperative Pain
For pain after surgery, reiki has not performed well in controlled trials. A double-blind, randomized trial in pediatric patients recovering from oral surgery found no statistically significant difference between the reiki group and the control group on any outcome: pain scores, opioid use, side effects, or family satisfaction. A single preoperative reiki session showed no evidence of benefit for reducing pain intensity or the need for pain medication.
Acute surgical pain involves significant tissue damage and inflammation, which are physical processes that pain medications target directly. It’s not surprising that a practice centered on relaxation and energy work wouldn’t meaningfully reduce that kind of pain on its own.
Fibromyalgia and Chronic Pain
A well-designed randomized controlled trial specifically tested reiki for fibromyalgia in 100 adults. The study used a factorial design, comparing real reiki practitioners against actors performing sham reiki, and in-person treatment against distant reiki. The results were clear: neither reiki nor touch improved pain, fatigue, well-being, or physical or mental functioning. All outcome measures were nearly identical across all four treatment groups throughout the trial.
There was one interesting finding buried in the data. Participants assigned to real reiki practitioners used about 29% fewer pain medications than those seen by actors. But since their actual pain scores didn’t differ, this is hard to interpret. It may reflect a placebo-related shift in how people perceive their need for medication, rather than a true reduction in pain.
For people living with fibromyalgia or other chronic pain conditions, this trial suggests reiki is unlikely to provide meaningful symptom relief.
How Sessions Typically Work
During a reiki session, you lie fully clothed on a treatment table while a practitioner places their hands lightly on or just above various points on your body. Sessions typically last 30 to 60 minutes. The experience is quiet and still, and many people find it deeply relaxing regardless of any specific therapeutic effect.
A recent meta-analysis of randomized trials found that session structure matters for quality-of-life outcomes. Short, acute sessions of 20 minutes or less showed benefits, as did longer courses of eight or more sessions lasting at least 60 minutes each. Single sessions or inconsistent schedules were less effective. If you’re considering trying reiki for pain, a one-time visit is less likely to tell you much than a committed series of sessions.
Why Results Vary So Much
Several factors explain why reiki studies contradict each other. Study size is one: many trials enroll fewer than 50 people per group, which makes results unreliable. Blinding is another major issue. It’s nearly impossible to blind participants to whether someone is actually touching them or hovering their hands nearby, and expectations strongly influence pain perception. Studies that use sham reiki (actors mimicking the hand positions) tend to show smaller or no differences, which suggests that the ritual and context of the session may matter more than the technique itself.
There is also no scientific evidence supporting the existence of the “universal life energy” that reiki theory is built on. This doesn’t automatically mean the practice can’t affect pain, since relaxation, human touch, and focused attention all have documented physiological effects. But it does mean the proposed mechanism doesn’t hold up, and the benefits that do appear likely come from those more conventional pathways.
What This Means Practically
If you’re considering reiki for pain, the realistic expectation is this: it may help you feel more relaxed and perceive less pain in the short term, particularly if you’re dealing with cancer-related pain or high levels of stress and tension. It is unlikely to replace conventional pain management for acute injuries, surgical recovery, or well-defined chronic pain conditions like fibromyalgia. Reiki carries essentially no physical risk, so trying it as a complement to other treatments is a low-stakes decision. But investing in it as a primary pain strategy, especially for conditions where effective treatments exist, means potentially delaying approaches with stronger evidence behind them.