What should I do if my dog has a raw patch that keeps leaking fluid?
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Overview
If your dog has a raw patch that keeps leaking fluid, it could be a hot spot or another irritated skin problem. The main thing is to keep the area clean and stop your dog from making it worse while you check for a clear cause. If it’s spreading, very painful, smelly, or not improving, a vet check is sensible.
Things To Check
1. See whether your dog has been licking, chewing or scratching the area more than usual.
2. Look at the patch for redness, swelling, hair loss, scabs, bad smell or thicker discharge.
3. Check if the skin is wet because of rain, swimming, muddy exercise or a recent bath.
4. Feel gently around the area to see if it feels hot compared with nearby skin.
5. Look for anything that might be irritating the skin, such as a collar, harness, bedding, plant material or a trapped tick.
6. Think about whether it started after grooming, clipping, a new shampoo, or a change in diet or treats.
7. Check if there are other patches elsewhere on the body, as that can suggest a broader skin issue.
Common Causes
Hot spots are one of the most common reasons for a raw, weeping patch in dogs. They often start after licking, scratching or moisture irritates the skin and the area becomes inflamed.
Skin allergies can also play a part, including reactions to pollen, fleas, food or something in the environment. Even a small trigger can lead to a bigger sore if your dog keeps bothering it.
Sometimes the cause is simple irritation from wet coat, dirt, friction from collars or harnesses, or a minor bite or scratch that has become sore.
Less commonly, a skin infection, deeper wound or another underlying health issue may be involved, especially if the patch keeps coming back or does not settle.
What To Do
Gently stop your dog from licking, chewing or scratching the patch, as ongoing irritation usually makes it leak more and slow healing.
Keep the area as clean and dry as you can without rubbing it. If the coat is long around the patch, carefully trimming the surrounding hair may help you keep an eye on it, but don’t cut into the sore skin.
Avoid using harsh products, human creams or anything that stings unless your vet has told you to. If the patch is damp, try to limit swimming, muddy exercise and anything that keeps the area wet.
Watch for changes over the next 24 hours. If the patch is getting larger, more painful, smellier or more fluid is coming through, that’s a sign it needs proper veterinary attention.
When To Contact A Vet
Contact your vet if the raw patch is spreading, very sore, producing a lot of fluid, or your dog seems unwell. A vet should also check it if it keeps returning, is near the eye or ear, or hasn’t started to improve after you’ve stopped your dog licking it and kept it clean and dry.
Products That May Help
If your dog’s skin is sore, damp or needs regular cleaning around the area, a gentle pet care routine can be useful as part of day-to-day management.
Related Questions
Why does my dog keep licking one sore patch?
Can a hot spot heal on its own?
How do I stop my dog making a skin sore worse?
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.