Dog symptom
Itching / scratching in dogs
Frequent scratching, licking, chewing, or rubbing. Itch is very common and usually treatable, but constant scratching can damage the skin and cause infection.
Common causes of itching / scratching in dogs
- Fleas or other parasites (mites, lice)
- Allergies (fleas, food, or environmental/atopy)
- Skin infections (bacterial or yeast)
- Dry skin or contact irritants
Who's most at risk
- Pets without year-round flea control
- Breeds prone to allergies (atopy)
- Warm, humid seasons
- Pets with food sensitivities
What you can do at home
- Keep up year-round, vet-recommended flea control for all pets in the home
- Bathe with a gentle, pet-formulated shampoo if your vet advises
- Stop the licking/chewing from worsening (a recovery collar can help short-term)
When to see a vet
- Hair loss, sores, scabs, or a bad smell
- The itch is intense, sudden, or not improving
- Signs of skin infection (redness, swelling, discharge)
When it's more serious
- Sudden swelling or hives can be an allergic reaction — seek care urgently.
- Skin damage or odor suggests infection — book a vet visit soon.
- Relentless itch is miserable and damages skin — your vet can give fast relief.
What your vet may do
- Skin exam, flea check, and skin cytology
- Tests for mites, yeast, or bacterial infection
- Treat any infection and control the itch with medication
- Work up allergies — flea, food, or environmental
Questions to ask your vet
- Is there a skin infection that needs treating?
- Could this be a flea, food, or environmental allergy?
- What's the safest way to stop the itch now?
- What long-term plan prevents flare-ups?
Frequently asked questions
What causes itching / scratching in dogs?
Frequent scratching, licking, chewing, or rubbing. Itch is very common and usually treatable, but constant scratching can damage the skin and cause infection. Common causes include: Fleas or other parasites (mites, lice); Allergies (fleas, food, or environmental/atopy); Skin infections (bacterial or yeast); Dry skin or contact irritants.
Is itching / scratching in dogs an emergency?
Book a veterinary visit soon. See a vet right away if: Hair loss, sores, scabs, or a bad smell; The itch is intense, sudden, or not improving; Signs of skin infection (redness, swelling, discharge).
What can I do at home for a dog with itching / scratching?
Keep up year-round, vet-recommended flea control for all pets in the home Bathe with a gentle, pet-formulated shampoo if your vet advises Stop the licking/chewing from worsening (a recovery collar can help short-term)
Sources
Related reading from Webvet
Reviewed by the Webvet Veterinarian Team
This guide is general information, not a diagnosis, and does not replace an exam by your veterinarian. If your pet is in distress, contact your vet or an emergency clinic right away.