As a preventative you can use

Posted by Fiona on Wednesday, 21. April 2010 at 16:36 Bali Time:

In Reply to: Antibiotics for gut infection posted by elly on Wednesday, 21. April 2010 at 14:34 Bali Time:

doxy. Of course, there are sideeffects, so I have not telling you what to use.
As a treatment flagyl forte 500 works a treat.