Quoting Rista Kat:" <blockquote><b>Quoting L♥vey 4wks!:</b>" I had it in March last year after an ... [snip!] ... So its caused from antibiotics? If so, he hasn't been on any in like 6+ months. He never really gets sick so this is new to me."
No sometimes antibiotics just kill all the good bacteria and allow the c diff to grow. Other things can cause it. If he doesn't have regular stools soon or isn't eating/drinking get him to the doctor. It could be something else but with diarrhea you just have to worry about dehydration too.