Dogs vomiting yellow foam and mucus may be caused by gastroenteritis, parasitic infection, infectious disease and other reasons. First of all, if the dog eats improperly and causes gastroenteritis, it will vomit yellow foamy mucus in the later stages and needs timely medical treatment. Secondly, dogs will also vomit yellow liquid after being infected with internal parasites and need to be dewormed in time. Finally, if the dog has not been vaccinated, it is important to consider that it is infected with canine distemper virus, parvovirus and other infectious diseases, and it needs to go to the pet hospital for examination and treatment in time.

1. Gastroenteritis

If your dog eats irregularly, often overeating or going hungry after a full meal, it can easily cause gastroenteritis and cause the dog to have an appetite. Symptoms include decline or even exhaustion, listlessness, vomiting, diarrhea and other symptoms. In the early stage, the dog's vomitus is chyme, and in the later stage, it is foamy mucus and gastric juice. Some vomitus may also contain blood, bile, etc. In this regard, it is recommended that the owner take the sick dog to the pet hospital for examination in time to determine the cause of gastroenteritis, and then treat the cause and symptom according to the dog's symptoms.

2. Parasitic infection

If the dog has not been dewormed for a long time, it will develop to a certain extent when it is infected with intestinal parasites such as roundworms, tapeworms and filarial worms. It can cause gastrointestinal dysfunction, resulting in vomiting symptoms, and even parasites can be seen in the vomit. In this case, it is recommended that the owner consult a pet doctor in time to choose appropriate anthelmintic drugs for deworming.

3. Infectious diseases

If the dog is young, has not been vaccinated against infectious diseases, and vomits yellow foam and mucus, it is likely to be infected with parvovirus or coronavirus. Viruses and other infectious diseases. It is recommended that the owner take the dog to the pet hospital for examination in time. If infectious diseases are ruled out, symptomatic treatment can be given first. If the dog suffers from an infectious disease, it needs timely infusion or injection to avoid serious infection and death in the later stage.