I couldn't deal with Maxalon it actually made me feel sicker, but I could take Stemetil.
http://www.virtualmedicalcentre.com/...title=Stemetil

Also http://www.racgp.org.au/cmi/swcsteme.pdf
It says it's not safe but it's on the B list so it can be prescribed so long as you don't over do it

Good luck.