@pat70 My gastroenterologist had me take Florastor. You need to be taking a probiotic with S. Boulardii in it. I too got Cdiff last year after taking Clindamycin for a sinus infection. I had such a hard time getting rid of it. The Vancomycin did not work for me. My insurance approved me taking Dificid (fidaxamycin)) after I had taken two rounds of Vanco. I even did the pulse and taper for 6 weeks. My heart goes out to you. I was encouraged by others on this site and their sharing. I had not even heard of Cdiff before getting it.