I have a 3 1/2 month old puppy. He was initially treated with a general dewormer but after I told my vet his mother was a stray she immediately put him on Panacur. He took that for 5 days and had a little bit of diarrhea (which I understand is normal when deworming) but he has been done with the medication for 4 days now and every other stool is runny. What concerns me more is that the last one had a little bit of blood in it. Is this still the Panacur working or do I have a more serious problem? Could that be from over feeding him? He's been eating less since the dewormer. I just don't know what to do for him. He still has energy and has been drinking water all day.