Hello Popsie, the best place to look to find out about this is my husband's website:
He is a medical microbiologist who found out about this from the people at Vanderbilt University who did all the research.
It certainly does work if you have SPMS, because it worked for me. You do need to be assiduous in taking the antibiotics, though and you have to realise that you may well feel worse before you start to get better.
An Itinerary in Light and Shadow Completed Dr Charles Stratton / Dr David Wheldon abx regime for aggressive secondary progressive MS in June 2007, after four years. Still improving with no relapses since starting. Can't run but can paint all day.