I got GM in 2009, was treated with drugs unsuccessfully in 2010 and treated myself (and cured myself) in 2011. I wrote lots of posts in this discussion group. Go to google and type
Hunt around, follow threads. All my explanations about how I cured myself with calcium bentonite clay powder mixed with water are there. This is not an infection. Antibiotics are not called for here. This is an autoimmune disease.