That is the standard Libertarian position.
The standard medication is colchicine, an extract of meadow saffron that has been in use for several thousand years.
Colchicine is used primarily to treat pain associated with gout. It is very toxic with as many as 85% of the people who use it experiencing some adverse effects even when taken in normal therapeutic doses.http://www.flytrap.demon.co.uk/digests/1897.txt