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Category: hormonal diseases

Hormones are chemical signals within the body. They are generally transported in the blood to carry messages from one part of the body to another. Some diseases of the hormonal system are quite common in cats, particularly hyperthyroidism (caused by excessive production of thyroid hormones). Because hormones are carried throughout the body disorders of the hormone system can often have far reaching effects on many different body systems.

Most hormone diseases are treatable – particularly those resulting from a hormone deficiency as this can usually be compensated for by supplementing the animal with the missing hormone. In most cases treatment needs to be lifelong and it often takes a long time to find exactly the right treatment for an individual pet so it is essential that you work closely with your vet in managing hormone problems.


Hyperthyroidism is a disease caused by an overactive thyroid gland, an organ found on either side of the windpipe at the base of the neck. This gland produces thyroid hormone which helps to regulate your cat's metabolism, or rate of

Diabetes mellitus

Diabetes is a relatively common disease in older people and is being recognised more frequently in older pets. If untreated the disease has serious effects and will ultimately result in the death of your pet. The good news is that

Cushing’s disease (hyperadrenocorticism)

Cushing's disease (also called 'hyperadrenocorticism' by vets) is rare in cats. Although it is a severe disease it causes subtle changes in the early stages. Many owners do not recognise the signs of Cushing's disease in their pet, instead confusing

Acromegaly in cats

Acromegaly is a relatively rare condition, caused by excessive hormone production in the brain or in mammary gland (breast) tissue. It is more common in cats than dogs. Affected cats can develop gradual changes in their appearance but because the