This is from an article in 2007, don't know if this helps..
* Australia - With Rx, but usually difficult to get from a physician.
* Bahamas - With/without Rx.
* Belgium - With Rx
* Canada - Not at all.
* Costa Rica - With/without Rx.
* Dominican Republic - Without Rx.
* Egypt - Without Rx.
* England - Not at all.
* France - With Rx.
* Germany - With Tx.
* Greece - With/without Rx.
* Hong Kong - With/without Rx.
* Japan - With Rx.
* Korea - With/without Rx.
* Mexico - With/without Rx.
* Puerto Rico - With/without Rx.
* South Africa - With/without Rx.
* Sweden - Not at all.
* Switzerland - With Rx.
* Thailand - With/without Rx.
* Turkey - no Rx.
* United States - Not at all.
Alot of these and other countries will let you possess and use but not sell.