--- type: restriction id: usps-prescription-medications-containing-controlled-substances asset: shipping-restrictions-by-class title: "prescription medications containing controlled substances — Postal shipping restrictions by item category" sources: - https://pe.usps.com/text/pub52/pub52c4_020.htm source_quote: "Prescription medicines containing mailable narcotic drugs (controlled substances), when mailed by drug manufacturers or their registered agents, pharmacies, medical practitioners, or other authorized dispensers" generated: true harvested: 2026-08-04 stale_after: 2027-08-04 item_category: "prescription medications containing controlled substances" carrier: "USPS" restriction_type: "allowed" scope: "domestic mail - from authorized dispensers" conditions: "Prescription medicines containing mailable narcotic drugs (controlled substances) may be mailed only by drug manufacturers or their registered agents, pharmacies, medical practitioners, or other authorized dispensers, as permitted by 21 CFR Section 1307.11" verified: false unverified_fields: carrier, conditions, item_category, restriction_type --- **Item category:** prescription medications containing controlled substances **Carrier:** USPS **Restriction type:** allowed **Scope:** domestic mail - from authorized dispensers **Conditions:** Prescription medicines containing mailable narcotic drugs (controlled substances) may be mailed only by drug manufacturers or their registered agents, pharmacies, medical practitioners, or other authorized dispensers, as permitted by 21 CFR Section 1307.11 > Prescription medicines containing mailable narcotic drugs (controlled substances), when mailed by drug manufacturers or their registered agents, pharmacies, medical practitioners, or other authorized dispensers Source: