Originally Posted by
pdquick
Meanwhile, I've also run across this page from the DEA, regarding the applicable regulations in the CFR. I literally can't find a procedure for compliance with this anywhere. I'm considering sending a certified letter to CPB in advance of departure and letting it go at that.
http://www.deadiversion.usdoj.gov/21...01/1301_26.htm
This is specific to scheduled drugs, and doesn't apply to other unscheduled prescription medication.
Any individual who has in his/her possession a controlled substance listed in schedules II, III, IV, or V, which he/she has lawfully obtained for his/her personal medical use,
[...]
a United States resident may import into the United States no more than 50 dosage units combined of all such controlled substances in the individual's possession that were obtained abroad for personal medical use.
There is undoubtedly some other regulation specific to re-importation of personal quantities of unscheduled, approved prescription drugs (which are not controlled substances, and which are regulated by FDA and not DEA) and similarly for importation of the same when acquired abroad. I've never been able to find it, and I've looked -- and just looked again.
The usually-quotes 90-day supply rule actually comes from a specific exemption for un-approved prescription drugs, e.g. back in the day AZT was the big driver.
http://www.fda.gov/AboutFDA/Transpar.../ucm194904.htm