Why do dog foam in their mouths? In fact, dogs foam at mouth may be due to excessive sensitivity to their surroundings. They may become nervous or even anxious due to external sounds, odors or irritants, and therefore will foam reflexibly. It may also be infections of bacteria and parasites in the dog's mouth, which may cause discomfort in the tongue and may also cause foam in the mouth.

The reason for foaming in the dog's mouth must be judged in combination with other symptoms. First, dog foaming and twitching and fever, and obvious gastrointestinal and respiratory symptoms may be caused by canine distemper.

Second, after dogs eat something, foaming, diarrhea, difficulty breathing, etc., which may be caused by poisoning.

Third: If a dog foams and there are insect eggs or insect bodies in the feces, it may be caused by excessive parasites.

4: If the dog vomits a small amount of white foam and is delicate, it may be caused by indigestion.

Therefore, once the owner finds that the dog foams at the mouth, it is best to go to the pet hospital for treatment in time to avoid delaying the condition and causing serious consequences.