LetterAgent

Mail physical letters by just asking your AI assistant.


Status: LetterAgent is currently in private testing ahead of public launch. Everything on this page describes the service as it works today.

Home > Guides > Cross-border prescriptions

Can I ship prescription drugs across the border?

No. LetterAgent can't do this one: our shipping labels are Canada Post Xpresspost labels for parcels moving within Canada, so cross-border movement is out of scope entirely. Separately, most countries restrict or ban mailed prescription drugs, and getting caught can mean seizure, fines, or criminal charges. This is general information, not legal advice.

Why is mailing medication across borders so restricted?

Countries regulate drugs as drugs, not as parcels. A prescription that is legal in one country may be unapproved, differently scheduled, or outright banned in another, and customs treats an incoming package of pills as an unlicensed import. That is true even when the sender has a valid prescription and the recipient does too: the prescription authorizes you to possess the drug, not to import it by mail.

The stakes scale with the drug. Mailing ordinary non-controlled medication that gets seized usually ends with a seizure letter and no package. Mailing controlled substances (opioids, stimulants, many anxiety medications) across a border can be treated as drug trafficking, with criminal penalties far out of proportion to the personal-use intent. The "it's my own prescription" defense does not travel with the package.

SituationHow it is treated
Mailing your own non-controlled prescription to yourself abroadUsually prohibited or tightly limited; seizure is the common outcome
Mailing someone else's prescription medicationDistribution of prescription drugs without a license, in most jurisdictions
Mailing controlled substances across a borderCan be prosecuted as trafficking regardless of personal-use intent
Carrying your medication in person with documentationThe standard legal route: original labeled container, prescription, doctor's letter
Buying prescription drugs from a foreign pharmacy onlineRegulated separately; many countries seize these at the border too

What are the actual legal ways to move prescriptions across a border?

Carry them yourself. The recognized route is to travel with the medication in its original pharmacy-labeled container, bring the prescription (and a doctor's letter for controlled substances), and declare it at the border if asked. Most countries allow a personal supply, typically around a 90-day amount, under those conditions. The container label is doing real work here: it ties the drug to a named patient, a prescriber, and a dispensing pharmacy.

If you have relocated and need ongoing medication, get a local prescriber. A doctor in the new country can usually continue an established treatment once they see your records, and that puts the whole supply chain inside one jurisdiction. For travelers, travel clinics and some primary-care doctors will write bridging prescriptions for extended trips. These routes exist because the mail route doesn't.

What happens if you mail them anyway?

At best, the package is seized and you get a letter saying so. Customs x-ray and drug-screening programs flag pharmaceutical shipments routinely, and "discreet" packaging does not change the outcome: it often makes it worse, because concealment suggests intent. At worst, for controlled substances, you are looking at a criminal investigation in the destination country.

There is also a carrier consequence people forget. Postal services and couriers prohibit shipping prescription drugs across borders in their terms, so a seized shipment can also get your account flagged or closed. And none of this helps the person waiting for the medication: a seized package means they go without while the paperwork gets sorted. If someone needs medication abroad, the safe move is a local prescription, not a parcel.

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LetterAgent is a working name. Prices include print, postage, and our service fee. US prices in USD, Canadian prices in CAD (Canadian prices exclude applicable sales tax, added at checkout). Currently in private testing.

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