The strongest therapeutic case in the literature, and still more modest than the marketing.
The 2017 National Academies review rated the evidence for chronic pain in adults "substantial", its highest tier. But average effect sizes are small: many patients try cannabis-based products, a minority report meaningful relief.
NASEM 2017, The Health Effects of Cannabis ↗Diabetic neuropathy, post-herpetic neuralgia and MS-related pain show the most repeatable response in trials, which is where approved cannabinoid medicines aim their indications.
Cannabinoids & neuropathic pain, PubMed ↗Observational studies show some patients reduce opioid use alongside cannabis, and some jurisdictions show lower opioid prescribing after legalization. But observational data cannot prove cause: no randomized trial has demonstrated opioid-sparing.
Cannabis & opioid substitution, PubMed ↗Cannabis use disorder develops in roughly 1 in 10 users overall, and more with daily use. When use is daily and open-ended, that trade-off deserves to be discussed explicitly with a physician.
Cannabis use disorder prevalence, PubMed ↗Cannabis is not an approved treatment for chronic pain in most jurisdictions, and nothing here recommends using it. If chronic pain affects your life, bring this research, literally, these sources, to a physician and decide together. Laws differ by country and state; check CannabisLaws.ai before anything else.
Is it legal where you live? Tell us your city to see the law status and minimum age.
Status for all 64 jurisdictions on CannabisLaws. Not legal advice.