Streptococcus and it’s mental impact

A reader asked if Streptococcus was known to be associated with any psychiatric disorders.  My immediate response is YES, Dr Philippe Bottero had an reported remission rate of over 75% in treating patients at a psychiatric hospital with antibiotics back in the late 1990’s.  His success with a non-conventional approach resulted in his ability to practise being severely restricted by the establishment (according to private information) – Report is here on treatment.

Jump ahead a few decades and what do we find on PubMed?

And for other bacteria:

Bottom Line

The presence or absence of some bacteria can cause psychiatric effects. This is not restricted to Streptococcus.