Summary There are limits to bringing prescriptions purchased at a Mexican pharmacy into the United States. The FDA also has a guide for the importation of drugs originally intended for foreign markets. The medication should be in its original container with a doctor’s instructions printed on the bottle, in English, and generally containing no more than a three month supply. Sosa said his business had dropped off significantly since border restrictions went into effect on March The FDA prohibits the importation of “unapproved new drugs” for the purpose of distribution and sale. Medications that are not approved by the FDA may not be allowed. His blood-pressure medicine, which he needs to prevent complications if he were infected by the coronavirus, costs more than three times more on the U.June 14, 12 PM PT. Tijuana — As coronavirus restrictions make it more difficult to cross the border, some San Diego-area residents say they are struggling to get the medications they. So they have medications here that you can buy without a prescription like certain antibiotics and Viagra. There are pharmacists on site to help you with your purchases as some names are different in Spanish. Is It Safe to Buy Prescription Drugs From a Mexican Pharmacy? Legality and Limits of Bringing Medications Into the U.S. By Marian Anne Eure. Updated on July 17, Medically reviewed by Mary Choy, PharmD. Fact checked by Heather Mercer. Table of Contents. Prescriptions From Mexico. When Is It Legal to Import Drugs? Safety Risks.