Puppy White Foam Nose. He looks like he has rabies at times, foaming at the nose and mouth. He'd also get super foamy at the mouth.
Other symptoms include a runny nose, sneezing, lethargy, and a loss of appetite.
I recommend getting him seen by your . Keeping your dog separate from other dogs is recommended until a veterinarian gives the okay, since he/she may have a contagious upper respiratory infection. Your dog may have ingested something bitter or toxic, burned or otherwise irritated his mouth or could be nauseated. Kilo gets it when he's been running hard;