Patent ID: 8460648

Claim:
A method for the treatment of a chronic disorder associated with the presence of an abnormal or an abnormal distribution of microflora in the gastrointestinal tract of a mammalian host, the chronic disorder selected from the group consisting of: irritable bowel syndrome, chronic persistent diarrhoea, diarrhoea, flatulence, constipation, and alternating constipation/diarrhoea, which method comprises administering an effective amount of a composition comprising viable non-pathogenic or attenuated pathogenic microorganisms for a period of time sufficient to displace the existing microflora, wherein the composition comprises: at least two Clostridia selected from among Clostridium bifermentans, Clostridium butyricum and Clostridium innocuum; at least one Bacteroides selected from among Bacteroides fragilis, Bacteroides thetaiotaomicron and Bacteroides uniformis ; and Escherichia coli ; and wherein lavage or other methods of removal of at least part of the host's existing enteric microflora is omitted.