My 4-month old mixed breed (could be a pointer shepherd mix) has been having a combination of diarrhea and soft stools for over a few weeks now. The first week he had them, the vet prescribed metronidazole for 10 days and it seemed to work for a few days but the diarrhea came back. They did a fecal exam and it turned up nothing. The second time around they gave him doxycycline and it seemed to have worked for a couple of days but his stool is back to being soft. He’s still taking the medicine and over the last few weeks he has been on probiotics as well. I’m at a loss now. Can’t figure out what the problem is. He’s otherwise pretty active and eats normal.