What should I do if my dog’s dandruff is getting worse? | arlo.® Atlas
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Overview
If your dog’s dandruff is getting worse, start by checking for simple triggers like a dry coat, overbathing, grooming changes, or signs of skin irritation. Dandruff can have several possible causes, so it’s best to look at the whole picture rather than trying to guess the reason straight away.
If the coat is still otherwise normal and your dog seems well, you can often begin with gentle home care and close monitoring. If the flaking is increasing quickly, or you’re also seeing itching, redness, odour or hair loss, a vet check is sensible.
Things To Check
1. Check whether the dandruff is mainly on the back, neck, belly or base of the tail, or spread more widely across the coat.
2. Look closely for redness, scabs, broken skin, greasy patches, hair loss, or any sign the skin feels sore or warm.
3. Notice whether your dog is scratching, licking, rubbing or chewing more than usual.
4. Think about any recent changes in shampoo, grooming routine, bedding, diet, home heating or time spent outdoors.
5. Part the coat and check for fleas, flea dirt or other signs of parasites, especially around the tail base and belly.
6. Check whether the skin is very dry and powdery, or instead greasy, waxy or smelly, as that can point to different underlying issues.
7. Note whether the flaking is new, steadily worsening, or something your dog has had on and off for a while.
Common Causes
Dry skin is one of the most common reasons for visible flakes, especially in winter, after overbathing, or in homes with dry indoor heating. Mild grooming changes can also make dandruff more noticeable.
Skin irritation from allergies, fleas or other parasites can cause flaking too, often along with itching or red patches. In some dogs, a greasy coat, odour or scale build-up can be linked with seborrhoea or another skin condition.
Less commonly, dandruff can be associated with infections, hormone problems, diet-related issues or other longer-term skin disease. Those causes can’t be ruled out at home if the signs keep going or get worse.
What To Do
Keep a simple note of when the dandruff is worse, where it appears and whether anything seems to trigger it. A few photos over several days can be helpful if you do need to speak to a vet.
Brush your dog gently if they tolerate it, as this can help lift loose flakes and spread natural oils through the coat. Avoid harsh shampoos, very frequent bathing, or any human products unless your vet has said they’re suitable.
Make sure bedding is clean and dry, and check the home environment for anything that might be drying the skin out, such as excessive heating. If your dog’s routine, diet or grooming has changed recently, consider whether that lines up with the problem.
If the dandruff is mild and your dog otherwise seems well, monitor it for a short period and see whether gentle coat care makes any difference. If it keeps worsening, don’t just wait it out.
When To Contact A Vet
Contact your vet if the dandruff is getting worse and your dog is also itchy, uncomfortable, losing hair, smelling unusual, or developing red, inflamed or greasy skin. It’s also sensible to get advice if the problem keeps coming back, doesn’t improve with gentle home care, or you suspect fleas or another skin condition.
Products That May Help
If your dog’s coat is flaky, dry or a bit greasy, gentle grooming and regular washing routines may help support day-to-day coat care. A suitable collection can make it easier to keep your dog clean and comfortable without overdoing bathing.
Related Questions
Why does my dog have dandruff but no itching?
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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.