Is Mephedrone (4-MMC) legal in Thailand?
- Legal status
- Controlled — NAMED. Mephedrone is scheduled as a Category 1 narcotic under the Narcotics Code (cathinones controlled) and treated as an illicit narcotic.
- Consequences if caught
- Category 1 narcotic: possession and supply offences. Thailand retains capital punishment on paper but it is not applied to this substance — no death-penalty exposure for mephedrone.
- If prescribed or medical
- Category 1 narcotic with no recognised medical use and no lawful prescription route.
- Documentation
- No licit personal-import route for a Category 1 narcotic.
Drug laws and enforcement change and vary within a country. This is not legal advice. Always confirm with Thailand’s embassy or official drug authority before traveling; penalties can be severe, including imprisonment.
Before you travel
Verify current rules with the destination country’s official drug authority and your own country’s embassy before traveling. Find the destination’s U.S. embassy & official country guidance →
Non-U.S. travelers: check your own government’s travel advisory and embassy.
If you’re detained or arrested abroad
Contact your own country’s embassy or consulate in the destination immediately — not the destination’s authorities. U.S. citizens: contact the nearest U.S. embassy/consulate and the U.S. State Department at +1-202-501-4444 (from abroad). If a U.S. citizen is arrested or detained abroad →