Hypnosis for medical and dental procedure anxiety

What do the reviews say overall?

A 2025 meta-analysis pooled 20 randomized trials with 1,250 patients having invasive procedures and found small to moderate reductions in anxiety and pain compared with standard care, with minimal side effects. Our review of hypnosis in anesthesia charts those results.^[1]

A larger 2026 review for anesthetists included 142 studies and 9,238 patients. Hypnosis before a procedure reduced anxiety afterwards (standardized mean difference -0.76). Hypnosis during a procedure reduced pain at the time, reduced anxiety afterwards (-0.44) and lowered the risk of nausea and vomiting after surgery. The authors still concluded that its effect on most other outcomes is unknown.^[2]

What did the landmark trials test?

In a 2000 Lancet trial, 241 patients having vascular or kidney procedures got standard care, structured attention, or self-hypnotic relaxation during the procedure. Everyone could still give themselves sedation and pain medicine through a pump. Pain rose over time in the standard care group but stayed flat with hypnosis. Anxiety fell in all three groups, most steeply with hypnosis. The standard care group used about twice as much medication as the other groups, and hypnosis procedures were shorter (61 vs 78 minutes).^[3]

Note the middle group. Structured attention, a calm person paying close attention, also helped. Part of the benefit comes from being supported, not only from hypnosis.^[3]

A 2007 trial randomized 200 patients before a breast biopsy or lumpectomy to a 15-minute hypnosis session with a psychologist, or to empathic listening for the same time. Patients knew which group they were in. At discharge, the hypnosis group reported less pain, nausea, fatigue, discomfort and emotional upset, and needed less of two anesthetic drugs.^[4]

A companion trial measured anxiety before surgery itself. After a 15-minute hypnosis session, 90 women waiting for a breast biopsy reported less emotional upset and more relaxation than women who had an attention-control session.^[5]

Against a stronger comparison, the gap narrows. A 2026 trial gave 203 women one session of either hypnosis or mindfulness before breast cancer surgery. Hypnosis led to slightly less fatigue and emotional distress afterwards, with no difference in pain, nausea or discomfort. The benefit for distress was larger in women who were more anxious before surgery.^[6]

What does a session involve, and who benefits most?

The sessions in these trials were short. In one breast surgery trial, a psychologist ran a 15-minute session before surgery.^[4] In another, the 15-minute session used suggestions for more relaxation and less distress.^[5] In the 2026 trial, the session took place within two hours of surgery.^[6] In the Lancet trial, self-hypnotic relaxation happened during the procedure itself.^[3]

People who start out more anxious may gain the most. The 2025 meta-analysis found larger benefits from hypnosis tailored to high-anxiety procedures, and the 2026 trial found a larger effect on distress in women with high anxiety before surgery.^[1][6]

Does it help with dental anxiety?

A 2024 review of 173 randomized trials separated two problems. For anxiety during oral surgery, moderate-certainty evidence supported hypnosis (standardized mean difference -0.31). For long-term dental fear and dental phobia, the supported treatment was CBT.^[7]

That split is useful. In trials, hypnosis reduced anxiety during procedures like oral surgery. If fear keeps you away from the dentist altogether, ask about CBT for the fear itself.

What about children and needles?

A Cochrane review of 59 trials with 5,550 children found that hypnosis reduced self-reported pain and distress from needle procedures such as blood draws, IV insertion and vaccines. Distraction, combined CBT and breathing also helped. The quality of the evidence was very low for hypnosis, based on 5 or 6 small trials per outcome.^[8] The reviewers still judged that the potential benefits support using these approaches in practice.^[8]

How to ask for it before your procedure

• Tell your clinician you are anxious. The team can only plan for it if they know. Ask whether anyone can offer a short hypnosis session beforehand, like the 15-minute sessions studied above.
• Ask about audio during the procedure. Whether you can wear headphones depends on the procedure and on staff needing to talk to you. Ask in advance, not on the table.
• Practice beforehand. In the reviews, hypnosis before a procedure had its own benefit.^[2] Practicing in the days before, so the routine feels familiar, is our suggestion, not something the trials tested. Our guide to self-hypnosis covers the basics.
• Keep sedation and pain relief on the table. In the trials, hypnosis was added to normal care.

If the fear builds into panic, slow breathing on its own often fails at the worst moment. We explain why in why "just breathe" fails for panic. If flying is what you dread, see our relaxation sessions for travel nerves. Hypnova was not tested in any of these trials. Its sessions are a wellness tool, not the hospital protocols studied here.