This involves transfer of entire bacterial flora from a healthy donor to the sick recipient. It has been used successfully to treat refractory as well as severe/recurrent cases of C. difficile colitis as well as inflammatory bowel disease (IBD).
• Protocols/recepies vary. I am not aware of any randomized controlled trials to examine most issues related to fecal transplantation.
NOTE: This article has been written in response to general requests for info, and NOT in any way to indicate this as a potential treatment for autism.