Regulation: control status by country
Domestic control status of a substance in a country (narcotic, psychotropic, prescription-only) from official sources.
protriptyline: status by country
- United Statesprescription only
Source: openFDA NDC · record 01a1208d-1798-73b8-9810-e14cacb1b568,01a1208f-aa07-741a-8166-9fbb71767505,01a1208f-aa0c-7bad-bb78-ade8846e0b5f,01a12093-69c4-71e2-8bbe-a782f67130d4;count=4 · valid from 2026-10-09 · verified 2026-10-09