Fast facts
Cannot replace doctors or medication
NCCIH: low quality, inconclusive
Works for some, not all
$50-$150 per session
Ongoing practice often needed
Limitations, Not Harms
The Real Downsides of Reiki Practice
Let us be clear: Reiki itself is very safe. It does not cause harm. The downsides of Reiki are not about side effects or dangers. They are about limitations and misuse.
The most serious downside is not from Reiki itself but from what people might do instead of Reiki. If someone has chest pain and goes to a Reiki practitioner instead of an emergency room, that is a deadly mistake.
Other downsides are more mundane: Reiki does not work for everyone. The evidence is limited. Sessions cost money. Effects are often temporary. These are real downsides. They do not mean Reiki has no value. They mean Reiki should be used appropriately.
The Complete List of Reiki Downsides
An honest assessment of Reiki's limitations.
- Not a medical treatment: Reiki cannot cure disease, set broken bones, or treat infections. It should never replace medical care.
- Limited scientific evidence: The NCCIH states evidence is low quality and inconclusive. Skeptics argue effects are placebo.
- Variable effectiveness: Works for some people and some conditions. Does not work for others. Unpredictable.
- Temporary effects: Relief may not last without ongoing sessions or self-practice.
- Cost: Sessions typically $50-$150. Regular sessions add up financially.
- Not covered by insurance: Most insurance does not cover Reiki.
- Practitioner quality varies: No standardized licensing or training requirements.
- False hope risk: Unethical practitioners may present Reiki as a cure for serious illness.
- Delayed medical care risk: The most serious downside. People may delay seeing a doctor.
- Temporary discomfort: Some people experience fatigue, emotional release, or mild headaches after sessions.
Reiki Downsides by Category
Organizing the downsides into logical categories.

Medical Limitations
Not a cure. Cannot replace medical care. Risk of delayed treatment.
Evidence Limitations
Low quality evidence. Inconclusive. Skeptics say placebo.
Practical Limitations
Cost ($50-$150/session). Not covered by insurance. Variable practitioner quality.
Experiential Limitations
Does not work for everyone. Temporary effects. Possible temporary discomfort.
The Most Important Downside
Reiki Is Not a Medical Treatment
This is the most important downside. Reiki is not medicine. It does not cure cancer. It does not treat infections. It does not set broken bones. It does not replace doctors, medications, or surgeries.
The danger is not Reiki itself. The danger is what people might do instead of Reiki. If someone has symptoms of a heart attack and goes to a Reiki practitioner instead of an emergency room, that is life-threatening.
Ethical Reiki practitioners always emphasize that Reiki is complementary, not alternative. But not all practitioners are ethical. And not all clients hear the message. The risk of delayed medical care is real.
What Science Does Not Know
The Limited and Inconclusive Evidence for Reiki
The scientific evidence for Reiki is not strong. The National Center for Complementary and Integrative Health (NCCIH) states that evidence is low quality and inconclusive.
Most studies are small. Blinding is difficult. The placebo effect is strong. Skeptics argue that Reiki's effects are entirely due to placebo, relaxation, or compassionate touch.
This does not mean Reiki does not work. It means we do not have high-quality scientific proof that it works. For some people, this uncertainty is a downside. They want evidence before spending time and money.
Money, Time, and Access
The Practical Downsides of Reiki
Reiki sessions typically cost $50 to $150 per hour. For a single session, this is comparable to a massage. For regular sessions, the cost adds up quickly.
Most insurance does not cover Reiki. It is an out-of-pocket expense. For many people, this is a significant barrier.
There is also no standardized licensing or training for Reiki practitioners. Quality varies widely. Some practitioners have years of training and experience. Others have a weekend certificate. It can be hard to know who is qualified.
How Practitioners Acknowledge Reiki's Downsides
I tell my clients that Reiki is not a cure. It does not replace medical care. It does not work for everyone. Some people feel nothing. That is okay. Reiki is a tool, not a magic wand.
The downsides are real. Reiki is not a medical treatment. The evidence is limited. It does not work for everyone. But these downsides do not erase the benefits. For many people, Reiki helps. The key is honest expectations.
Never use Reiki instead of medical care. If you have a serious or undiagnosed condition, see a doctor first. Reiki can be used alongside medical care, not instead of it.
Key takeaways
- Reiki is not a medical treatment and should never replace conventional care.
- The scientific evidence is limited and inconclusive.
- Reiki does not work for everyone or every condition.
- Sessions cost $50-$150 and are usually not covered by insurance.
- Effects are often temporary. Ongoing practice may be needed.
- The most serious downside is delayed medical care, not Reiki itself.
Frequently asked questions
Can Reiki be harmful?
Reiki itself is very safe. The main harm risk comes from delaying or replacing medical care, not from Reiki directly.
Is Reiki a waste of money?
For some people, yes. For others, no. It depends on whether Reiki helps you. Try a few sessions and decide for yourself.
Why does Reiki not work for some people?
No one knows for sure. Possible factors: individual sensitivity, expectations, the condition being treated, practitioner skill.
Is Reiki just a placebo?
Some researchers argue yes. Others argue that placebo is itself a real effect worth having. The evidence is inconclusive.
Should I try Reiki if I have a serious illness?
Yes, but only alongside medical care, not instead of it. Tell your doctor. Keep taking prescribed medications. Use Reiki for stress relief and well-being support.
Sources
- National Center for Complementary and Integrative Health (NCCIH), Reiki Research.
- Bronwen and Frans Stiene, The Reiki Sourcebook, 2003.
- Practitioner ethics guidelines.
- Skeptical literature on Reiki.





