Why is my dog's coat looking dull and shedding a lot?
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Overview
A dull coat and heavier shedding are often linked to grooming, seasonal coat changes, diet, dry skin, or a build-up of dirt and loose hair. In many dogs it’s not serious, but if the coat change is new, severe, or comes with skin changes or other symptoms, it’s worth looking a bit closer.
Things To Check
1. Check whether the shedding has started suddenly or has built up over time.
2. Look closely for redness, scabs, dandruff, bald patches, greasy areas, or broken skin.
3. Feel the coat to see if it seems dry, oily, rough, or tangled.
4. Think about any recent changes in diet, treats, supplements, or access to water.
5. Check if your dog is scratching, licking, rubbing, or rolling more than usual.
6. Consider whether the issue is worse after muddy walks, swimming, bathing, or time outdoors.
7. Notice if there are other changes such as low energy, weight loss, bad smell, or increased thirst.
Common Causes
Seasonal shedding is one of the most common reasons, especially in spring and autumn. Some dogs also shed more if their coat isn’t being brushed enough, or if loose undercoat is building up.
Dry skin, frequent washing with unsuitable shampoos, or a poor-quality grooming routine can also leave the coat looking flat or dull. Environmental factors like central heating, cold weather, or lots of wet weather can play a part too.
Less commonly, a dull coat and excess shedding can be linked to diet issues, parasites, skin infections, allergies, or an underlying health problem that affects the skin and coat.
What To Do
Start with regular brushing suited to your dog’s coat type, as this can help remove loose hair and spread natural oils through the coat. Keep washing sensible and avoid over-bathing unless your dog really needs it.
Make sure your dog is on a balanced diet and has fresh water available. If you’ve recently changed food, it can help to note whether the coat changed around the same time.
Keep an eye on the skin as you groom. If the coat stays dull, the shedding is noticeably heavier than usual, or you spot skin irritation, monitor it for a short period and speak to your vet if it doesn’t improve.
Products That May Help
If your dog’s coat is dull or shedding more than usual, a routine focused on washing and grooming can be useful as part of everyday coat care.
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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.