Cushing's disease (hyperadrenocorticism) happens when the body makes too much cortisol. It's most common in middle-aged and older dogs. Signs include increased thirst, urination and appetite, a pot-bellied look, hair loss and panting.
We diagnose Cushing's with bloodwork, urine tests and specific hormone tests, sometimes along with ultrasound. Most dogs are treated with daily medication and regular rechecks to keep their levels in a healthy range.
How Cushing's Disease Is Diagnosed in Dogs
There's no single perfect test for Cushing's, so diagnosis usually happens in steps. Your vet starts with an exam and a detailed history, then uses testing to confirm the condition and rule out look-alike problems. Knowing the type of Cushing's helps your vet choose the most appropriate treatment. Testing may include:
- Routine bloodwork and urinalysis: often show patterns that raise suspicion
- Hormone stimulation or suppression tests: measure how the body responds and help confirm the diagnosis
- Imaging such as abdominal ultrasound: may help tell whether the cause is in the pituitary gland or the adrenal glands
- Blood pressure checks: high blood pressure is common in dogs with Cushing's
Living With a Dog Who Has Cushing's Disease
Cushing's is usually a lifelong condition, but many dogs live comfortable, active lives once it's under control. Improvements in thirst and appetite are often among the first changes owners notice, while coat and skin changes can take longer to resolve.
Regular rechecks are a key part of care. Your vet will use follow-up hormone tests and bloodwork to adjust treatment over time. At home, keep track of how much your dog drinks, eats and urinates, and watch for changes in energy. If your dog becomes weak, stops eating, vomits or has diarrhea while on treatment, call us right away, since these can be signs that treatment needs to be adjusted.
Questions about Cushing's Testing & Treatment?
Call us or book an appointment online, and our team will help you decide on the next step for your pet.
Cushing's Testing & Treatment: Frequently Asked Questions
Can cats get Cushing's disease?
Is Cushing's disease in dogs curable?
What happens if Cushing's disease is left untreated?
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