Frequently asked travel questions
Medicine and Narcotics:
A traveler requiring medicines that contain habit-forming drugs or narcotics (e.g. cough medicine, diuretics, heart drugs, tranquilizers, sleeping pills, antidepressants, stimulants, etc.) should:
Have all drugs, medicines, and similar products properly identified and in their original containers.
Carry only such quantity as would normally be used by an individual having a health problem requiring the drugs or medicines.
Obtain either a prescription or written statement from your personal physician that the medicine is for use under a doctor's direction and that it is necessary for your physical well being while traveling.
Declare such drugs or medications to the Customs and Border Protection (CBP) officer.
Narcotics and dangerous drugs are prohibited entry. There are severe civil and/or criminal penalties if imported. Cannabis in any form, even if prescribed as medication is prohibited.
For more information, please read the relevant answer in the Q&A section of CBP.