Here's why:
* Congestion and diarrhea in puppies can be serious. They can be symptoms of a range of conditions, from simple allergies to potentially life-threatening illnesses.
* Only a veterinarian can properly diagnose the cause and recommend the appropriate treatment. This may involve things like medication, dietary changes, or even hospitalization.
Please don't hesitate to contact your veterinarian or an emergency animal hospital immediately. They'll be able to help your puppy get back to feeling their best.