To request a transfer of your prescription, you can either call or go in person to the new pharmacy. Provide the new pharmacy with the names of all the drugs, together with the dose information and Rx numbers, that you wish to transfer. Please include the contact information for your existing pharmacy.
Do you have to declare prescription drugs at customs?
How To Transfer a Prescription to a New Pharmacy
In the event that your drugs or equipment are not included within their original packaging, you are required to carry a copy of your prescription or a note from your attending physician. Any drug that is brought into the United States needs to be accompanied by a prescription or a note from a doctor.