You should seek the advice of your veterinarian if your pet is ill as only he or she can correctly advise on the diagnosis and recommend the treatment that is most appropriate for your pet.

Gastrointestinal signs are a common feature of endocrine disorders

The following table lists the gastrointestinal signs that have been reported to occur in association with endocrine disorders :

 

Endocrine Disease	Gastrointestinal signs in dogs/cats
Diabetes Mellitus	Vomiting. Chronic diarrhoea . Acute vomiting and diarrhoea in diabetic ketoacidosis.
Hypoadrenocorticism (Addison's Disease)	Vomiting, regurgitation (megaoesophagus) and diarrhoea
Hyperadrenocorticism (Cushing's Syndrome)	Bowel perforation (rare)
Hypoparathyroidism	Constipation, vomiting and diarrhoea
Hyperparathyroidism	Constipation and vomiting.
Hypothyroidism	Constipation and diarrhoea
Hyperthyroidism	Diarrhoea (45% of cats) and vomiting (33% of cats), steatorrhoea, increased frequency of defaecation. Altered intestinal transit time.
Thyroid Carcinoma	Diarrhoea

Updated October 2013