# Poisonous drugs and medicines — Postal shipping restrictions by item category

For Poisonous drugs and medicines, carrier is USPS; restriction type is restricted; scope is domestic mail; conditions is Mailable only from manufacturers or dealers to licensed professionals (physicians, surgeons, dentists, pharmacists, etc.) per 18 U.S.C. 1716, recorded from its source on 2026-08-04.

- **Item category:** Poisonous drugs and medicines
- **Carrier:** USPS _(our reading, not quoted from the source)_
- **Restriction type:** restricted _(our reading, not quoted from the source)_
- **Scope:** domestic mail _(our reading, not quoted from the source)_
- **Conditions:** Mailable only from manufacturers or dealers to licensed professionals (physicians, surgeons, dentists, pharmacists, etc.) per 18 U.S.C. 1716 _(unconfirmed — we could not tie this to the quote below)_

## What the source says

> Poisonous Drugs and Medicines: Poisonous drugs and medicines may be sent only from manufacturers or dealers to licensed professionals, including physicians, surgeons, dentists, pharmacists, druggists, cosmetologists, barbers, and veterinarians

## Source

- https://pe.usps.com/text/pub52/pub52c3_025.htm

Last verified: 2026-08-04. Review by: 2027-08-04.
Part of [Postal shipping restrictions by item category](https://referencesource.org/shipping-restrictions-by-class/).