Webmaster Doc - too funny!
I've lived and travelled in Mexico, Peru, Costa Rica and Spain, hence my viewpoint on meds from foreign pharmacies.
If you are going to get meds, you MAY need a prescription - it may depend on the pharmacist on duty. Generally for non-narcotic you don't need a prescription, for narcotics you do. (your foreign pharmacy may vary) In many Latin American countries, folks talk to the pharmacist just like a doctor - give symptoms and the pharmacist doles out the meds - usually without any examination. However pharmacists are not doctors, nor are they as extensively trained. So if you are considering buying meds,
1. know what you are buying - dosage, maker, any generic equivalents. Many meds share a common name, others do not - and there are equivalents. I've done fine with some Bayer pharmaceutical products produced in Latin America - generics.
2. know about potential drug interactions with other meds you may be taking or side effects - don't count on receiving a nifty printout or information about possible side affects or interaction information
3. keep the meds in the original packaging (obviously this may be the prescription vial itself, the box, the foil, etc - but keep the original packaging). This helps if you are searched during customs or if you have a reaction to the meds.
4. remember shelf life - some folks tend to stock up on a medicine, but shelf life may matter in effectiveness - check expiration date on meds you receive and don't stock up too much.
I agree with previous posters - prices are great in Mexico - my Mother lives in Phoenix and she, along with other seniors, make a trip to Mexico every few months for refills - for a senior on a fixed income and little health insurance, this is one of the only ways to afford medication. How sad.
On another side, I have come to appreciate the easy access to meds in foreign pharmacies when I am travelling - as long as I know what I need.