Some dogs have loose upper lips (or “flews”) created by extra skin, which allows saliva to collect and eventually drip out the sides. Typical dog drooling is actually a good thing. It allows for proper digestion, keeps bad bacteria at bay, and maintains oral health. Excess drooling may be the first sign that something is wrong and you should visit the vet. Some other causes of excess drool include: Heat stroke, Nausea or Motion Sickness, Upset stomach, Dental problems, Stress or Injuries. [Read More]