Quote Originally Posted by Bolisnide View Post
Time to see a vet who is familiar with frogs or specializes in forgs. Could be parasites?
Agreed. Could be worms or another parasite. Possibly a bacterial infection. Severe stress will also cause them to have runny stool, but since he is still showing normal activity I don't believe it to be stress. You do need to see a vet that specializes in amphibians soon.