Does cushing's disease cause itchy skin in dogs?

If you’ve noticed your dog scratching more than usual—maybe rubbing their belly on the carpet after walks or nibbling at their paws while you’re watching TV—you might start wondering what’s behind the itch. For many new dog owners, skin issues feel like a common hassle, but sometimes they can signal something more serious, like Cushing’s disease. It’s easy to brush off itching as a flea problem or dry skin, but knowing when to dig deeper can make a big difference for your pup’s comfort.

Cushing’s disease in dogs happens when their body makes too much cortisol, a hormone that helps with stress and metabolism. Over time, that extra cortisol weakens the skin’s natural barrier—think of it like a shield getting thin. When that shield is compromised, the skin gets drier, more sensitive, and prone to irritation. Bacteria or yeast that normally live on the skin can also overgrow, leading to redness, bumps, and yes, intense itching. Not every dog with Cushing’s will have itchy skin, but it’s one of the more common signs, especially in middle-aged or older pups.

If you suspect your dog’s itching could be linked to Cushing’s, start with simple at-home checks before heading to the vet. Keep track of when the itching happens—Is it after they play outside? At night? Also, note other changes: Have they been drinking more water, eating more but not gaining weight, or losing fur around their belly or neck? These are all red flags for Cushing’s. When you visit the vet, they’ll likely run blood tests or urine tests to check cortisol levels—don’t worry, these are routine and help rule out other issues like allergies or thyroid problems.

As a dog owner, it’s also key to stay on top of daily care that supports your dog’s skin health, even if Cushing’s isn’t the cause. Make sure they’re on a regular flea and tick prevention plan (it’s required in many U.S. states to keep pets and people safe), and brush their coat weekly to remove dirt and distribute natural oils. If you live in an apartment, avoid using harsh floor cleaners that can irritate their paws—opt for pet-safe products instead. And always clean up after your dog during walks; it’s not just a courtesy, but a legal requirement in most neighborhoods to keep public spaces healthy.

Remember, itchy skin in dogs rarely goes away on its own, but early action makes a huge difference. Whether it’s Cushing’s or another issue, your vet is your best resource to get your pup back to scratching less and playing more. And by staying consistent with their care—from regular check-ups to following local pet rules—you’ll help keep their skin (and overall health) in top shape for years to come.