Regulation: control status by country
Domestic control status of a substance in a country (narcotic, psychotropic, prescription-only) from official sources.
interferon beta-1b: status by country
- United Statesprescription only
Source: openFDA NDC · record 01a1209d-6f98-740c-9539-2e2270e78b7a;count=1 · valid from 2026-10-09 · verified 2026-10-09