How hypnosis works

Is Hypnosis Safe? What to Know About the Risks

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Can you book a hypnosis session without worrying about harm? For most healthy adults working with a trained professional, yes. The NCCIH includes hypnosis among approaches that are generally safe for healthy people when performed appropriately, and the side effects WebMD lists occur only in rare cases. The real risks sit in a few specific places, namely certain mental health conditions, attempts to “recover” memories, and the person running the session, and each of them is easy to check before you start.

What side effects can a session cause?

WebMD’s medically reviewed overview of hypnosis risks describes side effects as rare and lists four: anxiety, headaches, dizziness and drowsiness. None of these is a reason to avoid hypnosis on its own, but each is worth mentioning to the practitioner if it happens, because it can change how the next session is run.

Two practical points follow from that list. Drowsiness is the one that matters after you leave: if you still feel drowsy, wait until you feel alert before you drive. And anxiety during a session is information, not failure. A good practitioner should slow down, change the approach or stop when you say something feels wrong.

Who should not try it without specialist care?

WebMD names the groups for whom hypnosis can be dangerous: people with hallucinations or delusions, people with drug or alcohol misuse, and people with schizophrenia. It also notes that hypnosis is safest for people with less serious mental or physical conditions. Read the list as a reason for an assessment led by a clinician, not as an automatic ban: whether hypnosis fits depends on the condition, the current symptoms, the treatment setting and the clinician’s expertise.

If any of that describes you, the safe route is not a hypnotist found online but a conversation with the clinician who already treats you. WebMD notes that doctors use hypnosis as part of treatment for problems such as anxiety, depression and pain, so the option is not closed; the decision simply belongs with someone who knows your history.

Can hypnosis plant false memories?

Yes, when it is used for the wrong job. WebMD warns that using hypnosis to bring back memories, especially with someone who is not a trained professional, could create fake memories and further confuse the mental health problem it was meant to help.

The safeguard is simple. Be wary of anyone who offers to uncover what “really happened” in your past, to confirm abuse you do not remember, or to settle a disputed event. The false-memory risk WebMD describes is tied to that retrieval use, which is why present-day goals, such as a fear, a habit or pain, are the safer ground.

Does it matter who runs the session?

A great deal. WebMD points out that not every U.S. state requires certification to practice hypnotherapy, so the title alone tells you little. Its advice is to look for someone with a license in hypnotherapy or membership in the American Society of Clinical Hypnosis or the Society for Clinical and Experimental Hypnosis.

Training matters for a reason beyond technique. A practitioner who screens for the conditions above, keeps away from memory recovery and knows when to refer you on deals with the main risks before the first session starts.

When does relying on hypnosis become the risk?

A separate hazard has nothing to do with the hypnotic state: using hypnosis instead of an assessment you need. WebMD’s example is chronic pain: before trying hypnosis for it, make sure a doctor has checked you for conditions that medication or surgery can treat. The same logic applies to any new, worsening or unexplained symptom. Get it looked at first, then decide whether hypnosis has a place alongside that care.

Recordings and apps follow the same rule. If a self-hypnosis track ever leaves you feeling worse rather than calmer, stop using it and mention it to a clinician.

Before you book, check three things

  • Your health. If you live with psychosis, schizophrenia, hallucinations or delusions, or you are currently using drugs or alcohol heavily or at risk of withdrawal, talk to your treating clinician before any hypnosis.
  • The goal. Present-day targets are fine. Offers to recover buried memories are the red flag.
  • The person. Ask about licensure or membership in ASCH or SCEH, and whether they screen new clients before the first session.

If all three check out, the remaining risk is small, and you can judge the sessions on whether they help.

This article is general information, not medical or psychological advice; talk with a licensed clinician about your own situation, especially if you have a mental health condition.

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