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HomeDear VetBabbleIs Nausea and Vomiting in 12.5-Year-Old Lab with Cushing's Disease a Side...

Is Nausea and Vomiting in 12.5-Year-Old Lab with Cushing’s Disease a Side Effect of Vetoryl?


Dear VetBabble,

My 12.5-year-old female Lab has Cushing’s disease and has been taking Vetoryl (30mg daily) for the past 7 months. Her levels were checked two weeks ago and everything seemed normal. However, over the last 3 days, she has been experiencing nausea, restlessness, and has vomited a few times (3 times just in the last hour). Could this be a side effect of her medication or is it something unrelated? What should I do?

Understanding Your Dog’s Symptoms

It’s concerning when our pets experience health issues, particularly if they’re already dealing with an underlying condition, such as Cushing’s disease in your dog’s case. While it’s possible that your dog’s nausea and vomiting could be related to her medication, there could also be other causes.

One potential issue could be a simple gastrointestinal infection, which might present itself with symptoms like nausea, vomiting, and restlessness. Another possibility is vestibular disease, which is more common in older dogs and can cause disorientation, nausea, and vomiting (Old Dog Syndrome: What is Vestibular Disease in Dogs?).

Alternatively, if your dog is experiencing diarrhea alongside her other symptoms, that might be indicative of a different issue entirely (Why Does My Dog Have Diarrhea?). Although rare in senior dogs, we also must consider the possibility of pregnancy, which can cause vomiting similar to morning sickness in humans (Pregnancy in Dogs).

Given the range of potential causes, it’s important to consult with your vet to determine the exact issue your dog is facing and how best to address it.

Seeking Veterinary Assistance

Since your dog is currently experiencing frequent vomiting, it’s essential to take her to the vet as soon as possible. Your veterinarian may initially treat her symptoms as a gastrointestinal infection with an anti-vomiting injection and possibly prescribe a specialized diet for her.

If your dog’s condition doesn’t improve within 48 hours or worsens, your vet may conduct further tests to determine the underlying cause of her nausea and vomiting. It’s crucial to closely monitor your dog’s symptoms and keep your vet informed of any changes in her condition.

Please don’t hesitate to seek professional help for your beloved pet, as it’s always the best course of action when dealing with health issues. For more information about vomiting in dogs, you can refer to Vomiting in Dogs: Causes, Treatment & When to Worry.


While it isn’t clear whether your dog’s symptoms are related to her medication or another underlying issue, it’s crucial to consult with a veterinarian to determine the cause and appropriate treatment. Keep an eye on your dog and don’t hesitate to seek professional help to ensure her well-being. Remember, your furry companion is depending on you for her care and comfort!

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