Hot spots in dogs
Hot spots (acute moist dermatitis) are red, raw, oozing patches that appear fast when a dog licks or scratches one spot. Thick-coated dogs get them often.
Last updated: October 2026 · 2 sources · see sources
Signs to watch for
- A moist, red, painful patch
- Matted fur
- Constant licking or chewing at one spot
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 usually diagnoses a hot spot by looking at it and looks for the trigger, such as fleas, allergies or an ear infection. [2]
How it's treated
The area is clipped and cleaned, and your vet may prescribe anti-itch medicine and topical or oral antibiotics. [2]
Medicines your vet may mention: Apoquel, Cephalexin. 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
Hot spots usually heal within a week or two once the itch is controlled. [2]
Common questions
What is hot spots in dogs?
Hot spots (acute moist dermatitis) are red, raw, oozing patches that appear fast when a dog licks or scratches one spot. Thick-coated dogs get them often.
What are the signs of hot spots?
Common signs include: a moist, red, painful patch, matted fur, constant licking or chewing at one spot.
How do vets diagnose hot spots?
Your vet usually diagnoses a hot spot by looking at it and looks for the trigger, such as fleas, allergies or an ear infection.
How is hot spots treated?
The area is clipped and cleaned, and your vet may prescribe anti-itch medicine and topical or oral antibiotics.
How much does hot spots cost to treat?
Diagnosis (exam and tests): $50–$100; Treatment: $100–$300. 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.