You must have one from a Mexican doctor to but drugs that are prescription here. And some very strong diet meds. Note that it is illegal to fail to declare imported medications with CBP agents properly. The Canadian International Pharmacy Assn. All medications must be declared upon arrival at the border. It is more common for shipments that do get through to be detained for several days pending FDA inspection. Before doing business with an online pharmacy, confirm it is licensed in its country of origin and that the country has strong pharmacy regulations, says Dr.Available at most pharmacies in Cozumel. Mega had the generic brand and I am not quite sure of the cost there, I seem to remember $ We found her Eric seretide at . Is there an over-the-counter Viagra? Viagra is only available with a prescription in the United States, Canada, and most other countries. Viagra is sold under the generic name . The U.S. has the highest prescription drug costs in the world, prompting many people to seek savings by buying their medicines from Canadian or Mexican pharmacies. But if .