Why does my dog have flaky skin with brown greasy patches?
Share This Guide
Read time: 3 minutes
Overview
Flaky skin with brown greasy patches in dogs is often linked to a coat and skin imbalance, sometimes alongside excess oil, scurf, or skin irritation. It can happen for several reasons, so it's worth checking the pattern rather than assuming one cause.
If the skin is only mildly flaky and your dog otherwise seems well, it may be something you can monitor and manage with sensible grooming and hygiene. If it's spreading, sore, smelly, or your dog is uncomfortable, a vet check is a good idea.
Things To Check
1. Check whether the patches are greasy, flaky, smelly, red, or sore, and note where they are on the body.
2. Look for scratching, licking, rubbing, head shaking, or any sign your dog is itchy or uncomfortable.
3. Check whether the skin feels hot, thickened, or has scabs, crusts, or broken areas.
4. Think about any recent changes in shampoo, grooming, diet, bedding, walking routes, or exposure to mud and damp.
5. Part the coat to see whether the brown colour is on the hair, the skin, or both.
6. Check ears, paws, belly and armpits too, as skin problems often show in more than one place.
7. Note whether the issue is new, recurring, or getting worse over time.
Common Causes
Greasy, flaky skin is often caused by seborrhoea, which means the skin is making too much oil, not shedding normally, or both. This can be part of a skin condition on its own, or happen alongside other irritation.
Skin allergies are another common reason, especially if your dog is itchy or keeps licking and scratching. Yeast or bacterial overgrowth can also make the coat look brown, greasy or flaky, often with a smell.
Less commonly, hormone-related problems, parasites, or an underlying health issue may be involved. A vet may need to check for these if the skin problem keeps coming back or doesn't improve with routine care.
What To Do
Keep a simple note of when you first saw the problem, which areas are affected, and whether it is getting better or worse. Photos can help you track changes.
Brush and groom gently to remove loose flakes and help you spot any new redness or sore areas. Avoid over-washing, as that can sometimes make skin more irritated.
Keep bedding clean and dry, and make sure your dog is dried well after wet walks or bathing. If your dog swims or gets muddy often, regular drying and grooming can be especially useful.
Don't use human shampoos, perfumed products or home remedies on the skin, as these may make irritation worse.
When To Contact A Vet
Book a vet appointment if the patches are spreading, very smelly, sore, red or crusty, or if your dog is losing fur, scratching a lot, or seems generally unwell. It's also sensible to get advice if the problem keeps coming back or doesn't improve with basic grooming and skin care.
Products That May Help
If your dog's coat is flaky, greasy or a bit odorous, items from this collection may help support a simple washing and grooming routine at home.
Related Questions
Is flaky skin in dogs always seborrhoea?
Can diet affect greasy or flaky skin in dogs?
How often should I wash a dog with flaky skin?
Atlas is here to support owners with practical, easy-to-understand guidance. It is not a substitute for professional veterinary advice. If you're concerned about your animal's health, symptoms worsen, or something doesn't feel right, contact your vet.