Loss of appetite in dogs: what to do

Swallowed toys, socks or bones block the intestine; persistent vomiting is the earliest sign.

Often triggered by a fatty feast (table scraps, fatty meat); Schnauzers and similar breeds are higher risk.

80% of dogs over 3 have periodontal problems, which can seed heart and kidney disease.

The most common digestive problem, usually from diet indiscretion (scavenging, sudden food changes) or mild infection.

Kennel cough or aspiration can progress to lung infection; puppies and seniors are most at risk.

A highly contagious viral disease attacking unvaccinated puppies, with high mortality — earlier treatment means better outcomes.

A severe viral disease of unvaccinated dogs, with neurological signs in late stages.

Common in middle-aged, overweight dogs — the classic triad: increased drinking, urination and appetite with weight loss.

Roundworms, hookworms, tapeworms and more — common in puppies, causing anemia and malnutrition.

A post-heat emergency of unspayed females: the uterus fills with pus and toxins. The open form shows vulvar discharge; the closed form hides it and delays diagnosis. Spay surgery is the only cure.