Legal
Thailand Cannabis Rule Changes in 2026
What changed in the 2025–2026 official requirements and what an adult visitor should verify.
The short answer
Thailand's 2026 cannabis position cannot be reduced to simply legal or illegal. Official material treats cannabis flower as a controlled herb, restricts sales channels and describes a medical route involving a licensed professional and PT33. Before taking any step, check a current primary source, the service format and the documents that apply.
Key 2026 changes to verify
| Topic | What the official material says | What a visitor should check |
|---|---|---|
| Cannabis flower | The 2568 (2025) notification treats flower as a controlled herb | Check the current official document and licensed service route |
| Electronic sales | The official summary states that electronic sales and vending machines are prohibited | Use a website for information and process checks, not as an automatic online purchase |
| Medical route | The 2569 (2026) material describes eligible establishments and professional oversight | Confirm the establishment, professional and documents that apply |
| PT33 form | PT33 connects the prescriber, patient, condition, amount, period and signatures | Check every field; the form states a maximum of 30 days per issuance |
A concise 2026 update on controlled cannabis flower, electronic-sale restrictions, the medical route, PT33 and primary DTAM sources.
What to check first
Start with the official 2568 (2025) controlled-herb notification and the 2569 (2026) DTAM material. This page focuses on changes relevant to 2026. For an evergreen overview, use the general Thailand cannabis rules guide.
What changed by 2026
The 2568 (2025) Ministry of Public Health notification replaced the earlier 2565 (2022) notification and tightened controls around cannabis flower, sale, commercial processing and advertising. DTAM's 2569 (2026) material connects the medical route to eligible establishment types, professional oversight and documented dispensing. Older articles from the period immediately after decriminalisation should not be used as instructions.
Electronic sales and the role of a website
The official summary of the 2568 (2025) notification states that electronic sales and vending machines are prohibited. A website or messenger is useful for checking an address, opening hours and the official process. Do not treat a chat as an automatically completed online purchase.
What PT33 means for a visitor
The official English PT33 form records the prescriber's identity and licence, the patient's identity, disease or condition, daily amount, number of days, total quantity and signatures. It prints a maximum of 30 days per issuance; that is a limit, not a promised period. The qualified professional makes the decision.
What to check before making an enquiry
- Exact address and current opening hours.
- The official contact channel.
- Who performs the medical review and which documents apply.
- Who receives and retains personal information.
Hotels, public places and travel
PT33 is not permission for public use, does not override hotel or villa rules and is not a universal permit for airports, carriers or international borders. Check each of those questions separately with the property, carrier, airport and competent authority.
How to verify later changes
Use the DTAM controlled-herb portal and the DTAM Controlled Herb Service Center for newer material. Check the document date and issuing body. If a summary conflicts with a current primary source, follow the primary source.
FAQ
Is cannabis fully legal in Thailand in 2026?
There is no useful one-word answer. Cannabis flower is regulated as a controlled herb, while access, sale, documentation and service format depend on current requirements.
Can cannabis be purchased through a website or messenger?
The official summary of the 2568 (2025) notification states that electronic sales are prohibited. Websites and messaging are useful for information and process checks, but a chat should not be treated as an automatically completed online purchase.
What is PT33?
PT33 is the official controlled-herb prescription form. It connects a licensed prescriber and identified patient with the condition, amount, period and signatures.
How long can a PT33 prescription cover?
The official English form states a maximum of 30 days per issuance. A qualified professional may choose a shorter period and makes the decision for the individual case.
Does PT33 allow use in a hotel or public place?
No. The document does not override accommodation rules, public-space requirements, carrier policies, airport rules or another jurisdiction.
Where should current requirements be checked?
Use the DTAM controlled-herb portal, Division of Medical Cannabis publications and the DTAM service centre. Check the date and issuing body instead of relying only on older travel articles.
Official sources
Checked: 24 August 2026
- Controlled-herb cannabis notification 2568 (2025)Division of Medical Cannabis, DTAM · 2568 (2025) document · language: Thai.
- Medical-establishment guidance 2569 (2026)Division of Medical Cannabis, DTAM · 2569 (2026) material · language: Thai.
- Controlled-herb regulation material 2569 (2026)Division of Medical Cannabis, DTAM · 2569 (2026) regulatory material · language: Thai.
- Official English PT33 form — PDFDTAM · controlled-herb prescription form · language: English.
- DTAM Controlled Herb Service CenterDTAM · official contact page · language: Thai.
