Hypothyroidism is the natural deficiency of thyroid hormone and is the most common hormone imbalance of dogs. This deficiency is produced by several different mechanisms. The most common cause (at least 95% of cases) is immune destruction of the thyroid gland. It can also be caused by natural atrophy

Cats can suffer from a variety of different skin disorders, including feline acne, allergic dermatitis, mites and ringworm. If your cat is frequently itching, scratching, licking his skin beyond normal grooming, or suffering unexplained hair loss, a skin condition may be the cause. The first step to

In order to understand how vestibular problems exist, one must first look at the vestibular system, which consists of the parts of the inner ear (vestibular apparatus) and brain (medulla) that help regulate balance and eye movements. The vestibular apparatus involves a number of fluid-filled chambers,

A small number of cats develop various skin conditions, sometimes more than one condition at the same time. Skin conditions can affect a cat’s appearance, as well as increase its risk of more serious skin infections. Causes of Skin Conditions Several factors can affect a cat’s skin, along with

As with people, cats’ lungs allow them to breathe and transfer oxygen from the breath into the blood. Unfortunately, many things go wrong with their little lungs, making feline respiratory issues common. Here are a few things to look out for that could signal that your cat is suffering from a respiratory

Pneumonia is a condition in which the lungs and airways are inflamed, making it hard for your cat to breathe or get enough oxygen in his or her blood. A viral infection in your cat’s lower respiratory tract is the most common cause of pneumonia. However, a cat can catch pneumonia several different

Did you know that your cat’s brain is the size of a golf ball? Despite its small size, a cat’s brain is complex and is an integral part of how a feline’s neurological system functions. If a cat has a defect or injury associated with the brain and the other organs, muscles, tissues and nerves that

Cats can suffer from several conditions of nose, sinuses and other parts of the upper respiratory tract. These include nasopharyngeal polyps—a type of non-cancerous growth—and inflammation of the membranes of the nasal passages and sinuses. Nasopharyngeal Polyps A nasopharyngeal polyp is a mass

The liver is a very important organ. It is involved in digestion and removing harmful toxins from the blood. Cats can develop several conditions that affect how well their liver works. Cholangiohepatitis One of the most common causes of liver disease in cats is cholangiohepatitis. In this condition,

The kidneys have two important roles in a cat’s body. First, they filter wastes and toxins from the blood, which then exit the body in the urine. The kidneys also help regulate the volume of fluids in the body and important hormones and other chemicals. Cats can develop several kinds of kidney issues,

Hyperthyroidism is a condition that causes a cat’s thyroid gland to produce too much thyroid hormone. This disease most often shows up in middle-aged and older cats. The thyroid gland is located in the neck. Thyroid hormones affect most organs in the body, so hyperthyroidism can lead to other problems

Hypertension, or high blood pressure, is fairly common in cats. Although it can occur on its own, it is usually a sign of other serious health problems. High blood pressure can also cause problems with other parts of the body, including the eyes, kidneys and heart. Cats are more likely to develop high

A cat’s apricot-sized heart is susceptible to several problems. Some develop in young kittens while others may strike at any age. Hypertrophic Cardiomyopathy Cardiomyopathy results from a structural abnormality of the tissue around one or more of the heart’s chambers. It disrupts the heart’s

Most cats will never have a serious problem with their hearing during their lives. However, several ear issues can affect cats. Many of these can cause discomfort or pain, but some may even lead to a partial loss of hearing or deafness. Ear issues in cats can have a variety of causes, including infections,

Diabetes mellitus is a common disease in which a cat’s body does not make enough insulin or has difficulty using it. This hormone is produced in the pancreas. Its job is to help move glucose from the bloodstream into the body’s cells to provide them with a source of energy. Many cats with diabetes

A diagnosis of anemia means your cat does not have enough red blood cells and/or hemoglobin to carry sufficient oxygen to all of his or her tissues. Each red blood cell lives only 70 to 80 days, so your cat’s body must constantly replenish these. Anemia itself is not a disease; it indicates that some