Coughing in dogs may be easy to miss. Here's how to tell if your dog has a cough and tips to keep them safe as a mystery respiratory illness spreads in the U.S. It's the first symptom in most dogs who ...

Tucker, a 7-year-old American yellow Labrador retriever, is feeling much better these days. His owner — Amanda House, of Royal Oak — said Tucker had a cough that started in September and lasted for ...