Regulation: control status by country
Domestic control status of a substance in a country (narcotic, psychotropic, prescription-only) from official sources.
trihexyphenidyl: status by country
- United Statesprescription only
Source: openFDA NDC · record 01a1208c-d45f-778e-8f2d-25ce17539e0b,01a1208d-a2e6-7960-a517-8c7ec1a83d7a,01a1208d-a31d-74a2-81f5-b2becf128c4e,01a1208f-9b1a-7e85-9206-1dd2f25d9028,01a12094-c30e-7437-9949-e4a6b15d7072;count=16 · valid from 2026-10-09 · verified 2026-10-09