How much Controlled substances for personal medical use (schedules II-V) can I bring into Thailand?
Restricted
You can bring Controlled substances for personal medical use (schedules II-V) into Thailand only within the stated limits.
What you need to know
- 30 set
- Channels: Carried with the traveler
Important
This allowance applies per person, not per family or group.
Official sources
- Passenger belongings related to health products into the Kingdom of Thailand — Thai FDA Food and Drug Administration, Ministry of Public Health (Thailand)
Questions about Controlled substances for personal medical use (schedules II-V) in Thailand
- How many Controlled substances for personal medical use (schedules II-V) can I bring into Thailand?
- Thailand allows 30 sets per traveller. Above that the goods are treated as an import and duty becomes payable. The allowance is per traveller and cannot be pooled between people.
- Do I have to declare Controlled substances for personal medical use (schedules II-V) at Thailand customs?
- Only above the allowance. Up to 30 sets there is nothing to declare; beyond it you take the goods through the red channel and pay the duty.
- What happens if I do not declare Controlled substances for personal medical use (schedules II-V) in Thailand?
- If you declare the excess yourself, a flat-rate charge is applied to the excess. An administrative fine is imposed. If the goods are found without being declared, an administrative fine is imposed.
- Can I post or ship Controlled substances for personal medical use (schedules II-V) to Thailand instead of carrying it?
- Not under this allowance. It covers goods a traveller carries; a parcel is an import and is assessed under the postal rules instead.
- Can I take Controlled substances for personal medical use (schedules II-V) out of Thailand?
- Thailand publishes no separate rule for taking Controlled substances for personal medical use (schedules II-V) out; the destination's rules are what will apply.
- Does the Thailand limit for Controlled substances for personal medical use (schedules II-V) apply per person or per family?
- Per person. Each traveller carries their own allowance and it cannot be pooled with anyone else's.
- Where does this rule come from?
- The Customs Department (Thailand) states it in Passenger belongings related to health products into the Kingdom of Thailand — Thai FDA. CarryRules last confirmed that sentence at the source on 2026-09-19.
- How does Thailand compare with other countries on Controlled substances for personal medical use (schedules II-V)?
- Of the 20 countries covered here, 0 prohibit Controlled substances for personal medical use (schedules II-V), 19 limit it and 1 let it through. Thailand is among the ones that set a limit.
Source: The Customs Department (Thailand) — Passenger belongings related to health products into the Kingdom of Thailand — Thai FDA · verified 2026-09-19
Source: The Customs Department (Thailand) — Passenger belongings related to health products into the Kingdom of Thailand — Thai FDA · verified 2026-09-19
Source: The Customs Department (Thailand) — ข้อควรทราบสำหรับการนำของติดตัวเข้าทางอากาศยานสำหรับผู้โดยสาร · verified 2026-09-20
Source: The Customs Department (Thailand) — thailand postOrCourier · verified 2026-09-20
Source: The Customs Department (Thailand) — Passenger belongings related to health products into the Kingdom of Thailand — Thai FDA · verified 2026-09-19
Source: The Customs Department (Thailand) — Passenger belongings related to health products into the Kingdom of Thailand — Thai FDA · verified 2026-09-19