Cancun Travelers Guide to Pharmacies and Prescription Drugs

In practice, border officials have been less restrictive of people transporting medications across the border, although they have made arrests, especially when large quantities are involved. We advise that if you plan to bring pharmaceuticals back to the U.S., have a copy of a doctor's prescription and/or a doctor's letter with you, as well.

Travelling with medication - Travel.gc.ca

The information on this page will help you if you're travelling abroad with prescription, over-the-counter medication or medical equipment. Medications may come under intense scrutiny when going through border controls in other countries or at the land border between Canada and the United States. On this page. Before you leave; While you're ...

Bringing Items into Mexico / U.S. - U.S. Embassy & Consulates in Mexico

For information about bringing pets into Mexico you may wish to contact the nearest Mexican Consulate in the United States, or the "Dirección General de Inspección Fitozoosanitaria" in Mexico City, Tel. 52-55-5571-3124 Fax 52-55-5784-3231. You may also obtain useful information from several U.S. agencies, including: