Legality
Legal status in Thailand
Per-substance legal status for Thailand, from sourced statutes where available. Legal information, not legal advice — drug laws change; confirm with the destination’s embassy or drug authority before you travel.
25I-NBOMe
- Legal status
- Not confirmed — verify with the Thai FDA / your embassy
- Consequences if caught
- This specific substance was not named by a reachable Thai source. Thailand controls narcotics (Narcotics Code B.E. 2564) and psychotropics (Psychotropic Substances Act), with severe penalties for unauthorised import or possession.
- If prescribed / medical
- Not confirmed — verify with the Thai FDA / your embassy before travel.
- Documentation
- Prescription or medical certificate; for narcotic Category 2 and for psychotropic supplies of 31–90 days a Thai FDA permit (Form IC-2) applied for online at least 15 days before travel; carry original packaging and declare via the Customs Red Channel.
Source · Updated 2026-06-25
2C-B
- Legal status
- Not confirmed — verify with the Thai FDA / your embassy
- Consequences if caught
- This specific substance was not named by a reachable Thai source. Thailand controls narcotics (Narcotics Code B.E. 2564) and psychotropics (Psychotropic Substances Act), with severe penalties for unauthorised import or possession.
- If prescribed / medical
- Not confirmed — verify with the Thai FDA / your embassy before travel.
- Documentation
- Prescription or medical certificate; for narcotic Category 2 and for psychotropic supplies of 31–90 days a Thai FDA permit (Form IC-2) applied for online at least 15 days before travel; carry original packaging and declare via the Customs Red Channel.
Source · Updated 2026-06-25
2C-I
- Legal status
- Not confirmed — verify with the Thai FDA / your embassy
- Consequences if caught
- This specific substance was not named by a reachable Thai source. Thailand controls narcotics (Narcotics Code B.E. 2564) and psychotropics (Psychotropic Substances Act), with severe penalties for unauthorised import or possession.
- If prescribed / medical
- Not confirmed — verify with the Thai FDA / your embassy before travel.
- Documentation
- Prescription or medical certificate; for narcotic Category 2 and for psychotropic supplies of 31–90 days a Thai FDA permit (Form IC-2) applied for online at least 15 days before travel; carry original packaging and declare via the Customs Red Channel.
Source · Updated 2026-06-25
2C-T-7
- Legal status
- Not confirmed — verify with the Thai FDA / your embassy
- Consequences if caught
- This specific substance was not named by a reachable Thai source. Thailand controls narcotics (Narcotics Code B.E. 2564) and psychotropics (Psychotropic Substances Act), with severe penalties for unauthorised import or possession.
- If prescribed / medical
- Not confirmed — verify with the Thai FDA / your embassy before travel.
- Documentation
- Prescription or medical certificate; for narcotic Category 2 and for psychotropic supplies of 31–90 days a Thai FDA permit (Form IC-2) applied for online at least 15 days before travel; carry original packaging and declare via the Customs Red Channel.
Source · Updated 2026-06-25
Benzodiazepines
- Legal status
- Psychotropic (Categories 2–4) — allowed with a prescription
- Consequences if caught
- Non-prescribed possession is a psychotropic offence.
- If prescribed / medical
- Allowed with a prescription for up to a 30-day supply; for a 31–90-day supply a Thai FDA permit (Form IC-2) is required, applied for at least 15 days before travel.
- Documentation
- Prescription or medical certificate; for narcotic Category 2 and for psychotropic supplies of 31–90 days a Thai FDA permit (Form IC-2) applied for online at least 15 days before travel; carry original packaging and declare via the Customs Red Channel.
Source · Updated 2026-06-25
Cannabis / THC
- Legal status
- Category 5 — cannabis reverted to medical-only (2025); importing cannabis products is prohibited (Narcotics Code B.E. 2564)
- Consequences if caught
- Cannabis is a Category 5 substance; it reverted to medical-only use in 2025, and importing cannabis products is prohibited.
- If prescribed / medical
- Importing cannabis products is prohibited regardless of a foreign prescription; domestic medical use is separately regulated within Thailand.
- Documentation
- None — importing cannabis products is prohibited.
Source · Updated 2026-06-25
Cocaine
- Legal status
- Controlled — Narcotics Category 2, medical use with an FDA permit (Narcotics Code B.E. 2564)
- Consequences if caught
- A Category 2 narcotic: outside authorised medical use, import or possession is a criminal narcotics offence, and unauthorised trafficking carries severe penalties.
- If prescribed / medical
- A traveller under treatment may carry up to a 90-day supply with a Thai FDA permit (Form IC-2) obtained at least 15 days before travel; declare at customs via the Red Channel.
- Documentation
- Prescription or medical certificate; for narcotic Category 2 and for psychotropic supplies of 31–90 days a Thai FDA permit (Form IC-2) applied for online at least 15 days before travel; carry original packaging and declare via the Customs Red Channel.
Source · Updated 2026-06-25
DMT
- Legal status
- Not confirmed — verify with the Thai FDA / your embassy
- Consequences if caught
- This specific substance was not named by a reachable Thai source. Thailand controls narcotics (Narcotics Code B.E. 2564) and psychotropics (Psychotropic Substances Act), with severe penalties for unauthorised import or possession.
- If prescribed / medical
- Not confirmed — verify with the Thai FDA / your embassy before travel.
- Documentation
- Prescription or medical certificate; for narcotic Category 2 and for psychotropic supplies of 31–90 days a Thai FDA permit (Form IC-2) applied for online at least 15 days before travel; carry original packaging and declare via the Customs Red Channel.
Source · Updated 2026-06-25
Fentanyl
- Legal status
- Controlled — Narcotics Category 2, medical use with an FDA permit (Narcotics Code B.E. 2564)
- Consequences if caught
- A Category 2 narcotic: outside authorised medical use, import or possession is a criminal narcotics offence, and unauthorised trafficking carries severe penalties.
- If prescribed / medical
- A traveller under treatment may carry up to a 90-day supply with a Thai FDA permit (Form IC-2) obtained at least 15 days before travel; declare at customs via the Red Channel.
- Documentation
- Prescription or medical certificate; for narcotic Category 2 and for psychotropic supplies of 31–90 days a Thai FDA permit (Form IC-2) applied for online at least 15 days before travel; carry original packaging and declare via the Customs Red Channel.
Source · Updated 2026-06-25
GHB
- Legal status
- Prohibited — no accepted medical use (Thai FDA)
- Consequences if caught
- GHB is prohibited and has no accepted medical use; import or possession is an offence.
- If prescribed / medical
- No medical-use import pathway.
- Documentation
- None — no accepted medical use.
Source · Updated 2026-06-25
Heroin
- Legal status
- Prohibited — Narcotics Category 1, no accepted medical use (Narcotics Code B.E. 2564 / Narcotics Act B.E. 2522)
- Consequences if caught
- A Category 1 narcotic with no accepted medical use — it cannot be imported under any circumstances. Trafficking penalties are severe, up to life imprisonment plus large fines; possession and use are criminal offences.
- If prescribed / medical
- No import is permitted in any form, even with a foreign prescription — Category 1 has no medical-use pathway.
- Documentation
- None — Category 1 substances cannot be imported.
Source · Updated 2026-06-25
Ketamine
- Legal status
- Schedule II psychotropic (Psychotropic Substances Act) — not under the Narcotics Code
- Consequences if caught
- Ketamine is a Schedule II psychotropic; unauthorised possession is criminal and can include imprisonment.
- If prescribed / medical
- Permitted only with proper authorisation/prescription; verify permit requirements with the Thai FDA.
- Documentation
- Prescription or medical certificate; for narcotic Category 2 and for psychotropic supplies of 31–90 days a Thai FDA permit (Form IC-2) applied for online at least 15 days before travel; carry original packaging and declare via the Customs Red Channel.
Source · Updated 2026-06-25
Khat
- Legal status
- Not confirmed — verify with the Thai FDA / your embassy
- Consequences if caught
- Cathinone has no accepted medical use and is prohibited in Thailand (Thai FDA); khat/Catha edulis itself was not separately named by a reachable source. Thailand controls narcotics (Narcotics Code B.E. 2564) and psychotropics (Psychotropic Substances Act), with severe penalties for unauthorised import or possession.
- If prescribed / medical
- Not confirmed — verify with the Thai FDA / your embassy before travel.
- Documentation
- Prescription or medical certificate; for narcotic Category 2 and for psychotropic supplies of 31–90 days a Thai FDA permit (Form IC-2) applied for online at least 15 days before travel; carry original packaging and declare via the Customs Red Channel.
Source · Updated 2026-06-25
Kratom
- Legal status
- Category 5 substance under the Narcotics Code (Narcotics Code B.E. 2564)
- Consequences if caught
- Kratom is listed as a Category 5 substance under the Narcotics Code; unauthorised import or possession is a narcotics offence.
- If prescribed / medical
- Not an authorised import medicine; verify any pathway with the Thai FDA.
- Documentation
- Prescription or medical certificate; for narcotic Category 2 and for psychotropic supplies of 31–90 days a Thai FDA permit (Form IC-2) applied for online at least 15 days before travel; carry original packaging and declare via the Customs Red Channel.
Source · Updated 2026-06-25
LSD
- Legal status
- Prohibited — Narcotics Category 1, no accepted medical use (Narcotics Code B.E. 2564 / Narcotics Act B.E. 2522)
- Consequences if caught
- A Category 1 narcotic with no accepted medical use — it cannot be imported under any circumstances. Trafficking penalties are severe, up to life imprisonment plus large fines; possession and use are criminal offences.
- If prescribed / medical
- No import is permitted in any form, even with a foreign prescription — Category 1 has no medical-use pathway.
- Documentation
- None — Category 1 substances cannot be imported.
Source · Updated 2026-06-25
MDMA
- Legal status
- Prohibited — Narcotics Category 1, no accepted medical use (Narcotics Code B.E. 2564 / Narcotics Act B.E. 2522)
- Consequences if caught
- A Category 1 narcotic with no accepted medical use — it cannot be imported under any circumstances. Trafficking penalties are severe, up to life imprisonment plus large fines; possession and use are criminal offences.
- If prescribed / medical
- No import is permitted in any form, even with a foreign prescription — Category 1 has no medical-use pathway.
- Documentation
- None — Category 1 substances cannot be imported.
Source · Updated 2026-06-25
Mescaline
- Legal status
- Not confirmed — verify with the Thai FDA / your embassy
- Consequences if caught
- This specific substance was not named by a reachable Thai source. Thailand controls narcotics (Narcotics Code B.E. 2564) and psychotropics (Psychotropic Substances Act), with severe penalties for unauthorised import or possession.
- If prescribed / medical
- Not confirmed — verify with the Thai FDA / your embassy before travel.
- Documentation
- Prescription or medical certificate; for narcotic Category 2 and for psychotropic supplies of 31–90 days a Thai FDA permit (Form IC-2) applied for online at least 15 days before travel; carry original packaging and declare via the Customs Red Channel.
Source · Updated 2026-06-25
Methamphetamine
- Legal status
- Prohibited — Narcotics Category 1, no accepted medical use (Narcotics Code B.E. 2564 / Narcotics Act B.E. 2522)
- Consequences if caught
- A Category 1 narcotic with no accepted medical use — it cannot be imported under any circumstances. Trafficking penalties are severe, up to life imprisonment plus large fines; possession and use are criminal offences.
- If prescribed / medical
- No import is permitted in any form, even with a foreign prescription — Category 1 has no medical-use pathway.
- Documentation
- None — Category 1 substances cannot be imported.
Source · Updated 2026-06-25
PCP
- Legal status
- Not confirmed — verify with the Thai FDA / your embassy
- Consequences if caught
- This specific substance was not named by a reachable Thai source. Thailand controls narcotics (Narcotics Code B.E. 2564) and psychotropics (Psychotropic Substances Act), with severe penalties for unauthorised import or possession.
- If prescribed / medical
- Not confirmed — verify with the Thai FDA / your embassy before travel.
- Documentation
- Prescription or medical certificate; for narcotic Category 2 and for psychotropic supplies of 31–90 days a Thai FDA permit (Form IC-2) applied for online at least 15 days before travel; carry original packaging and declare via the Customs Red Channel.
Source · Updated 2026-06-25
Peyote
- Legal status
- Not confirmed — verify with the Thai FDA / your embassy
- Consequences if caught
- This specific substance was not named by a reachable Thai source. Thailand controls narcotics (Narcotics Code B.E. 2564) and psychotropics (Psychotropic Substances Act), with severe penalties for unauthorised import or possession.
- If prescribed / medical
- Not confirmed — verify with the Thai FDA / your embassy before travel.
- Documentation
- Prescription or medical certificate; for narcotic Category 2 and for psychotropic supplies of 31–90 days a Thai FDA permit (Form IC-2) applied for online at least 15 days before travel; carry original packaging and declare via the Customs Red Channel.
Source · Updated 2026-06-25
Psilocybin
- Legal status
- Category 5 — psilocybin mushrooms (Narcotics Code B.E. 2564)
- Consequences if caught
- Psilocybin mushrooms are listed as a Category 5 substance; import or possession is a narcotics offence.
- If prescribed / medical
- No recognised medical-import pathway; verify with the Thai FDA.
- Documentation
- None — no recognised medical-import pathway.
Source · Updated 2026-06-25
Salvia divinorum
- Legal status
- Not confirmed — verify with the Thai FDA / your embassy
- Consequences if caught
- This specific substance was not named by a reachable Thai source. Thailand controls narcotics (Narcotics Code B.E. 2564) and psychotropics (Psychotropic Substances Act), with severe penalties for unauthorised import or possession.
- If prescribed / medical
- Not confirmed — verify with the Thai FDA / your embassy before travel.
- Documentation
- Prescription or medical certificate; for narcotic Category 2 and for psychotropic supplies of 31–90 days a Thai FDA permit (Form IC-2) applied for online at least 15 days before travel; carry original packaging and declare via the Customs Red Channel.
Source · Updated 2026-06-25
Xylazine
- Legal status
- Not confirmed — verify with the Thai FDA / your embassy
- Consequences if caught
- This specific substance was not named by a reachable Thai source. Thailand controls narcotics (Narcotics Code B.E. 2564) and psychotropics (Psychotropic Substances Act), with severe penalties for unauthorised import or possession.
- If prescribed / medical
- Not confirmed — verify with the Thai FDA / your embassy before travel.
- Documentation
- Prescription or medical certificate; for narcotic Category 2 and for psychotropic supplies of 31–90 days a Thai FDA permit (Form IC-2) applied for online at least 15 days before travel; carry original packaging and declare via the Customs Red Channel.
Source · Updated 2026-06-25
Drug laws and enforcement change and vary by country. This is not legal advice. Always confirm with the destination’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 authorityand 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 consulatein the destination immediately — notthe 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 →