Understanding Cannabis Regulations in Thailand (2026 Update)

Welcome to Thailand. As cannabis regulations continue to evolve, it is important for visitors and consumers to understand the current legal framework surrounding cannabis use in the country.

Thailand currently permits cannabis use primarily for medical and health-related purposes under regulated conditions. The government has shifted its focus toward a more controlled medical cannabis model, emphasizing public health, patient safety, and responsible consumption.

Current Legal Status of Cannabis in Thailand

Cannabis remains legal in Thailand; however, its use is increasingly regulated and medically oriented. Authorities are implementing stricter controls on the cultivation, sale, prescription, and consumption of cannabis products.

Recreational use is not officially endorsed under the current policy direction.

Key Regulations for Cannabis Consumers

Minimum Age Requirement

Cannabis products may only be purchased or used by individuals aged 20 years or older.

Sales and use are prohibited for:

• Individuals under 20 years of age

• Pregnant women

• Breastfeeding women

Medical Certification Requirement

Under the latest regulatory framework, consumers may be required to present:

• A medical certificate

• A prescription issued by a licensed healthcare professional

This may include:

• Medical doctors

• Thai traditional medicine practitioners

• Dentists

• Pharmacists

The purpose of this requirement is to ensure cannabis is used for legitimate medical or wellness purposes.

Purchasing Cannabis Legally

Consumers are advised to purchase cannabis products only from:

• Licensed medical cannabis clinics

• Authorized dispensaries

• Legally registered healthcare establishments

Many compliant businesses now operate under medical consultation systems and maintain patient documentation in accordance with Thai regulations.

In response to the latest regulatory developments, many establishments have also begun implementing:

• Medical Certificate verification

• PT.33 Prescription documentation

• Patient registration and consultation systems

Purchase Limits

Current proposals and regulatory practices may limit cannabis flower purchases to:

• Up to 30 grams

• Within a 30-day prescription period

This is intended to support responsible medical use and reduce unauthorized recreational distribution.

Public Consumption Restrictions

Smoking cannabis in public places is prohibited under Thai public health laws.

Restricted areas include:

• Streets

• Parks

• Beaches

• Public transportation areas

• Most restaurants and entertainment venues

Violations may result in:

• Fines of up to 25,000 THB

• Imprisonment for up to 3 months

Cannabis consumption should only take place in private locations where permitted.

Driving Under the Influence

Thailand maintains strict laws regarding impaired driving.

Operating vehicles or machinery after cannabis consumption is strongly prohibited and may result in:

• Financial penalties

• License suspension

• Criminal charges

THC Regulations

Cannabis extracts and products containing THC levels above 0.2% remain subject to stricter legal controls.

Certain products may require:

• Medical authorization

• Additional licensing

• Regulatory approval