Mange in dogs
Mange is a skin disease caused by mites. Demodectic mange comes from mites that live on most dogs, while sarcoptic mange (scabies) is very itchy and contagious.
Last updated: October 2026 · 2 sources · see sources
Signs to watch for
- Hair loss
- Crusty or red skin
- Intense itching with sarcoptic mange
- Patchy bald spots in puppies with demodex
Trouble breathing, collapse, repeated vomiting, not peeing, or a seizure that lasts more than a few minutes needs a vet right away. See when to see a vet.
How vets diagnose it
Your vet does skin scrapings or hair plucks to look for mites under the microscope. [2]
How it's treated
Modern isoxazoline flea and tick products often treat mange effectively. Skin infections are treated too. [2]
Medicines your vet may mention: Bravecto, Revolution. We don't list doses; your vet will decide what fits your pet.
What it costs to diagnose and manage
These are typical US ranges from the sources listed. Your pet's costs depend on how severe things are, the tests your vet recommends, your pet's size and where you live. Ask your vet for a written estimate.
Outlook
Most dogs recover fully with treatment. [2]
Common questions
What is mange in dogs?
Mange is a skin disease caused by mites. Demodectic mange comes from mites that live on most dogs, while sarcoptic mange (scabies) is very itchy and contagious.
What are the signs of mange?
Common signs include: hair loss, crusty or red skin, intense itching with sarcoptic mange, patchy bald spots in puppies with demodex.
How do vets diagnose mange?
Your vet does skin scrapings or hair plucks to look for mites under the microscope.
How is mange treated?
Modern isoxazoline flea and tick products often treat mange effectively. Skin infections are treated too.
How much does mange cost to treat?
Diagnosis (exam and tests): $50–$150; Treatment: $200–$600. Costs vary with severity, tests, your pet's size and where you live.
Related
This page is general information for pet owners, not veterinary advice. Talk to your vet about your own pet.