what causes my dog to have a runny nose
Dog runny nose symptoms could have a number of causes. They might be a sign of infection, allergies or dental disease. Here's some more information about the causes of runny nose symptoms in dogs.
If your dog's runny nose is chronic, he may be suffering from a severe infestation of nasal mites. This is especially the case if your dog has recently been housed in a kennel or shelter, as nasal mites are common in these facilities.