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Internal medicine

Internal medicine is the veterinary discipline focused on diagnosing and treating complex, systemic, or chronic diseases affecting your pet’s internal organs. When your pet has persistent or unexplained symptoms, or when multiple body systems are involved, including the digestive, urinary, endocrine, or respiratory systems, our veterinarians across the Velvet network conduct a thorough medical investigation. 

With extensive expertise and advanced diagnostic tools, we manage complex medical conditions to stabilize your pet’s health, slow disease progression, and help restore an excellent quality of life.

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Complex disease diagnosis

Gastroenterology and digestive disorders

Endocrinology (hormonal disorders)

Advanced nephrology and urology

Infectious disease management

Diagnostic medical imaging

Autoimmune disease management

Therapeutic management of patients with multiple conditions

Pulmonology and respiratory disorders

Your most commons questions

Internal medicine focuses on diseases affecting the internal organs, including the kidneys, liver, lungs, intestines, and endocrine glands, that do not require surgery. It becomes essential when your pet has chronic or complex symptoms, such as frequent vomiting, a significant loss of appetite, or excessive thirst, that require advanced diagnostic testing to determine the underlying cause.
Our veterinarians across the Velvet network in Montréal diagnose and manage a wide range of endocrine disorders. Common conditions include diabetes mellitus, which requires ongoing insulin management, hyperthyroidism, which is particularly common in senior cats, as well as Cushing’s syndrome and Addison’s disease in dogs.
The diagnostic process begins with basic tests, such as comprehensive bloodwork and urinalysis. When further investigation is needed, our clinics use diagnostic imaging, including X-rays and abdominal ultrasound, to assess the structure of internal organs. In some cases, more advanced laboratory testing, such as hormone testing or biopsies, may also be recommended.
Chronic conditions such as inflammatory bowel disease (IBD) cannot usually be completely cured, but they can often be managed very effectively over the long term. A combination of a highly digestible or hypoallergenic therapeutic diet and appropriate medical treatment can help control symptoms such as diarrhea and vomiting, allowing your pet to maintain a comfortable quality of life.
Common signs of kidney disease include a noticeable increase in water consumption and urination (polyuria and polydipsia), weight loss, vomiting, or breath that has an ammonia-like odor. If you notice these signs in your pet in Verdun or Île-des-Sœurs, prompt veterinary evaluation is recommended.
No. An ultrasound is a painless, non-invasive diagnostic procedure. Your pet is simply positioned comfortably on a cushion while the veterinarian moves the ultrasound probe over their abdomen. A small area of abdominal hair may need to be shaved to obtain clear images. Sedation is only necessary if your pet is particularly anxious or restless.
For chronic conditions such as heart disease, diabetes, or kidney disease, we develop individualized monitoring plans. These include regular follow-up appointments and routine bloodwork at our Velvet locations to precisely adjust medication dosages over time and ensure that treatment remains effective.