i think it might be distemper if ur dog is showing these symptoms that r written below. i hope its not a DISTEMPER because it is a very serious disease. plz take him to the vet immediately n don't give him any medicine now n in future by urself before consulting to vet it can be dangerous for ur pet.
This disease is caused by a virus that attacks every tissue in the body.
Symptoms: Similar to a bad cold with fever. Sometimes it causes pneumonia, runny eyes and nose and diarrhea.