Cerenia will help N&V but if Metronidazole not helping his GI tract by now, maybe a culture/susceptibility test is in order to see what will work. I'd be sure he's not getting low on fluids, electrolytes, if he's not going IH.
__________________  Jeanie and Tibbe One must do the best one can. You may get some marks for a very imperfect answer: you will certainly get none for leaving the question alone. C. S. Lewis |