Educational Information Only
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Drug Act Section 4 — Drug classes
Drug Act (พระราชบัญญัติยา) — Section 4.
Plain-English Summary
Defines classes fixed by ministerial notification: household remedies (sold freely), dangerous drugs (ยาอันตราย, sold at a pharmacy with a pharmacist present) and specially-controlled drugs (ยาควบคุมพิเศษ, the most restricted).
Official Text
Official Thai text at the Royal Gazette / Office of the Council of State. Translation summary only.
Consult official sourceParent Statute
Drug Act
พระราชบัญญัติยา · B.E. 2510 (1967)
The Drug Act B.E. 2510 (1967) regulates medicinal drug registration, manufacture, import, and sale in Thailand. The Thai FDA administers. Drugs are classified (modern household, ready-packed, dangerous, special-controlled) with different licensing and sale rules. The Act is distinct from the Narcotics Code B.E. 2564 (2021) covering controlled-substance criminal offences.
The summary above is a plain-English educational paraphrase of Section 4 of the Drug Act. It is not an authoritative translation. For the binding Thai text, consult the Royal Gazette or the Office of the Council of State. Educational use only — not a substitute for advice from a Thai-qualified lawyer.
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