Addiction is one of the places where overclaiming does real harm, so the framing has to be careful. No session promises sobriety, and no honest account of hypnosis treats it as a way to quit on its own. What it might offer is small, supporting, and only sensible inside a larger plan.
The plan that has the evidence is well mapped. For alcohol and drug use disorders, established care draws on behavioral therapies such as cognitive behavioral therapy, on medication-assisted treatment where appropriate, and on support programs and ongoing recovery structures. For opioid and alcohol use disorders in particular, medications can reduce cravings and the risk of returning to heavy use, and they work best combined with counseling. That combination, not any single technique, is what carries a person through.
Hypnosis sits at the margin of this, as an adjunct with limited and mixed evidence. The idea is that focused relaxation might help with cravings, stress, or the tension that often precedes a lapse, smoothing the edges around treatment that is doing the central work. The research is thin and the findings are inconsistent, so the right description is a possible add-on, not an engine of recovery. It does not address withdrawal, it does not replace medication where medication is indicated, and it cannot stand alone.
The stakes raise the bar for honesty. Withdrawal from alcohol or certain drugs can be medically dangerous, which is one more reason a relaxation practice is no substitute for medical and clinical care. Anyone trying to stop a serious substance habit needs that care first, with hypnosis at most riding quietly alongside it.
A person reaching for help with addiction is better served by the route the evidence supports: therapy, medication where it fits, and a recovery community, guided by professionals. A calming practice can be one small voice in that chorus. It was never the one that quits for you.