They banned Quinine in Australia a while ago, i know it used to be great for cramps but can have some serious side affects, i did read that Qualaquin is the only brand of quinine that is approved by the FDA, so best to check up on that one.

here's some info - http://www.nlm.nih.gov/medlineplus/d...r/a682322.html
http://www.rxlist.com/cgi/generic/quinine_ad.htm