E.coli was found in my boy's urine after C&S and the vet prescribed cephalexin for 14 days. He threw up on day 2 and I gave him an antinauseant once then. The vet told me to observe him for another day and he hasn't vomited since with daily mosapride citrate and an antidiarrhea med. The issue now is his diarrhea which started on day 3. It's day 9 and has had diarrhea daily for the last 7 days. We have tried two different antidiarrhea meds but his diarrhea just won't go away. He has been getting Jarrow's saccharomyces boulardii as well. He takes his meds right after meal. Previously, he had diarrhea with clavulox. Is there anything we can try to stop his diarrhea? In-house urinalysis on day 8 at another clinic didn't find any bacteria or wbc. The regular vet is on holiday until next Monday, day 13, when we go in for another C&S. Do we just have to persevere for another 5 days? I don't think stopping the course of this treatment now is a good idea.