Regulation: control status by country
Domestic control status of a substance in a country (narcotic, psychotropic, prescription-only) from official sources.
methylnaltrexone: status by country
- United Statesprescription only
Source: openFDA NDC · record 01a1208e-afb4-7bec-b424-584a73690f2c,01a12090-89c5-703c-b67a-3f278af2d0aa,01a12096-e8af-7cf3-b829-3e36fac5c6e6;count=3 · valid from 2026-10-09 · verified 2026-10-09