Image of an old dog laying on the ground.
Vertigo is a syndrome in the elderly dog, which can be very frightening to the owners. The dog is suddenly afflicted with a balance problem, usually staggering, but occasionally unable to stand, and more rarely actually rolling over and over. There is a tilting
Image of ticks.
Ticks are the small wingless external parasites, living by hematophagy on the blood of mammals, birds, and occasionally reptiles and amphibians. Ticks are blood-sucking parasites that are often found in freshly mown grass, where they will rest themselves at the tip of a blade so as to
Image of dog laying down on the floor.
Seizures are common in dogs, but more unusual in cats. Seizures are just symptoms which can occur with many kinds of diseases. They can happen because of diseases outside the brain or inside the brain. Low blood sugar that can happen with an overdose of insulin
Image of salmonella.
Salmonella is a bacterium that can cause disease in humans, dogs, cats, and other animals. It can cause a variety of symptoms, commonly vomiting and/or diarrhea, but also severe infections and septicemia. It can also cause abscesses, meningitis, bone infections, and abortion.
Image of roundworms
There are many types of roundworms, but some of the most common are intestinal parasites of dogs, cats, and raccoons. Puppies are frequently born with roundworms, and kittens can be infected via the mother's milk or feces. Adult roundworms are ivory colored, four to six inches long,
Image of stethoscope and a sign that says rabies.
Rabies is a fatal viral infection that is transmitted primarily through bite wounds. Skunks, bats, raccoons, and foxes are the primary carriers. Rabies is also fatal to humans, there has been only one case of a person surviving rabies when treatment
Close up image of parasites.
There are many types of parasites that are found in the GI tract of cats and dogs. Worms such as roundworms, whipworms, and hookworms are very common in almost all parts of the world. These parasites shed their infective eggs in the pet's stool and contaminate the environment;
Image of dog with hind leg shaved.
Luxating patella is a condition where the kneecap (patella) moves out of its normal position. Luxating patella is one of the most common knee joint abnormalities of dogs, but it is only occasionally seen in cats. It may affect one or both of the knees. In some cases
Image of dog jumping and catching a frisbee at the park.
The rupture of the cruciate ligament is the most common knee injury in the dog.
This injury has two common presentations. One is the young athletic dog playing roughly who acutely ruptures the ligament and is non-weight bearing on the affected
Image of dog laying down.
A liver shunt is also named a PSS, portosystemic shunt, portacaval shunt or portosystemic vascular anomaly. This abnormality occurs when a pet's venous blood from the intestine bypasses the liver. In the normal pet, blood vessels pick up nutrients from ingested material in
Image of a hookworm under a microscope.
Hookworms are small, thread-like parasites of the small intestine where they attach and suck large amounts of blood. These parasites are found in almost all parts of the world, being common in dogs, and occasionally seen in cats.
Symptoms are usually diarrhea
Image of obese cat sitting in the grass.
Excess weight is a serious health problem for dogs and cats and is common in many countries. The two main causes of obesity are too much food and too little exercise. Other contributing factors can be due to hormonal influences, certain genetic factors, and other
Image of veterinarian cleaning a cat's ears.
There are many types of mites that infect dogs, cats, and other animals. Mites are microscopic arthropod parasites that, for the most part, infect the skin or mucous membranes. Mites can even be present on birds and reptiles. The most common mites that infect
Image of dog standing.
Hip dysplasia is a congenital disease that, in its more severe form, can eventually cause lameness and painful arthritis of the joints. It is caused by a combination of genetic and environmental factors. It can be found in many animals and, rarely, humans, but is common in many
Image of puppy outside.
Heartworm has been diagnosed in dogs in all parts of the world and is actually very common. This may be due to the fact that heartworm has a virtual 100% prevalence rate in unprotected dogs living in highly endemic areas. Heartworm, also known as Dirofilaria immitis, is transmitted
Image of a magnifying glass inspecting a flea.
A common parasite, fleas are found in almost every area of the world and can be found on dogs, cats, and many other mammals. They survive year to year even in cold climates because they live on pets, in buildings, and on wild animals.
There are four stages