Deirdre Chiaramonte, DVM, DACVIM

Feline hyperthyroidism was first described in 1979 by Peterson and 1980 by Holzworth. It is now estimated that the incidence is as high as 2% of the feline population seen in tertiary veterinary care facilities.

Although only recently discovered, feline adrenal disorders are becoming increasingly more recognized. Feline adrenal disorders include diseases such as hyperadrenocorticism (Cushing's syndrome) and hyperaldosteronism (Conn's syndrome).

Hypoadrenocorticism is an uncommon endocrinopathy, which may be difficult to recognize due to its varied clinical presentation.

Vomiting is among the most common clinical signs in companion animals. Although a protective mechanism associated with removal of noxious ingested substances, it is also associated with many diseases. Due to the multitude of causes it can be a challenge for veterinarians to diagnose and manage vomiting.

Hypothyroidism is a common endocrine disorder of middle-aged, purebred dogs resulting in decreased production of the thyroid hormones, thyroxine (TT4) and tri-iodothyronine (T3) from the thyroid gland. The majority is believed to be due to acquired primary hypothyroidism.

Obesity is the excessive accumulation of adipose tissue (FAT). It occurs due to an imbalance of energy intake versus energy expenditure.