In the span of just a few years, Thailand went from being the first Asian country to broadly relax cannabis laws to ushering in some of the strictest controls in the region. Once celebrated as a progressive cannabis-friendly destination, the country is now reinforcing a “medical only” policy with real teeth. Authorities have moved to reclassify cannabis as a tightly controlled substance, limit its use to cases supported by legitimate prescriptions and clamp down on informal sales and advertising. This reversal comes amid wider conversations worldwide about how best to regulate cannabis, especially where medical use is concerned.
From Pioneering Reform to Regulatory Retracement
Back in June 2022 Thailand decriminalised cannabis. That upheaval of decades-old narcotics policy sparked rapid growth of dispensaries, cafes and marketing aimed at foreign visitors. For a while the streets of Bangkok and beach towns like Pattaya buzzed with cannabis shops and bright green signage, giving rise to the impression that weed was squarely legal for both locals and travellers.
But that chapter has closed. On 26 June 2025, new regulations were published in the Royal Gazette that reclassify cannabis flowers as “controlled herbs” and restrict their sale, possession and consumption to medical situations with a valid prescription from a licensed professional. Skip that prescription and even possession can attract fines or custodial sentences. Licensed cannabis sellers are now expected to operate under stricter oversight, maintain detailed inventory records, and serve only patients with documented medical need.
The government says the move is about public welfare and control. It reflects growing concern that the free-for-all era had led to greater recreational use, especially among young people, and even smuggling operations. Recent reporting from The Japan Times notes rising backlash over cannabis use by minors, underlining political pressure to rein in the market.
What This Means for Global Cannabis Interest
At the same time Thailand tightens its domestic rules, global interest in medical cannabis continues to rise sharply. Data suggest search interest in medical cannabis has jumped by over 120 percent year-on-year, with hundreds of thousands of searches each month as patients, carers and curious citizens seek clarity on legal access and therapeutic applications. That surge reflects broader public attention to cannabis beyond recreational contexts, as well as regulatory changes happening in many countries.
This global shift toward medical frameworks is mirrored in industry analyses showing rapid market growth, with projections that sectors such as CBD and medical cannabis oils could be worth hundreds of billions of dollars in the decade ahead. What’s driving this attention is not just tourism or curiosity but deepening research into potential clinical benefits for conditions from chronic pain to neurological disorders.
Yet even as demand rises, the global regulatory picture remains complex. In some markets, tighter controls are being introduced in the name of safety and evidence-based practice, a pattern similar to Thailand’s current approach. Recent coverage of the global cannabis industry notes that the once heady optimism around broad liberalisation has tempered, with regulators and policymakers treading more cautiously into 2026.
The Traveller Perspective
For travellers thinking about Thailand, this policy shift has real consequences. The relaxed vibe of recent years has given way to enforcement that looks and feels very different on the ground. According to travel advisories and local reporting, cannabis products are now controlled and only available through vetted channels with prescriptions. Tourists need to be aware that public consumption can be treated as a public nuisance offence, and importing or exporting cannabis across borders remains illegal regardless of any medical status.
The wider lesson extends beyond Thailand. Just because a destination once let something pass doesn’t mean the old rules apply forever. Online chatter and outdated travel tips may still reflect the cannabis “wild west” era, but the law has shifted decisively toward a regulated medical framework. For anyone considering travel with cannabis in mind the safest bet is clear: get up-to-date legal guidance well before you go and treat medical cannabis rules as if they will be enforced, because in many places they now are.
This evolving landscape highlights a broader tension in cannabis policy internationally: balancing legitimate medical access with public health and safety concerns, all while navigating shifting perceptions and expectations among the public and tourists alike. That tension is likely to be with us for years to come.