What should I check if my dog was bitten but the skin looks closed?
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Overview
If your dog has been bitten but the skin looks closed, check it closely anyway. Bite wounds often leave small punctures, bruising or deeper tissue injury that doesn't always show straight away, even when the skin surface looks fine.
It's sensible to look for swelling, pain, heat, discharge, stiffness or changes in behaviour over the next day or two. If anything seems to be getting worse, or you're unsure how deep the bite was, veterinary advice may be needed.
Things To Check
1. Check whether your dog reacts if you touch the area gently, especially if they flinch, pull away or lick at it more than usual.
2. Look closely for small puncture marks, scratches, bruising, redness, swelling, scabs or any wetness on the coat.
3. Feel the area for heat or a firm lump compared with the surrounding skin.
4. Check whether your dog is moving normally, or if they're stiff, limping, guarded or reluctant to jump, run or lie on that side.
5. Notice if your dog seems quieter than usual, off their food, or less interested in normal activities.
6. Watch for any discharge, smell or fur that becomes damp or matted around the bite site.
7. If the bite was from another dog or animal, think about when it happened and whether the area has changed since then.
Common Causes
The most common reason a bite looks closed is that the skin has sealed over small punctures while bruising or deeper tissue damage sits underneath. Dog bites can leave hidden trauma even when there isn't an obvious open wound.
Swelling, tenderness or a developing infection can also show up later, sometimes a few hours after the incident or even the next day.
Less commonly, there may be a deeper pocket of damage under the skin, especially if the bite was on the neck, chest, face or legs where tissue can be affected more than it first appears.
What To Do
Keep your dog calm and limit rough play, running and jumping for a day or two so you can see whether the area settles or starts to worsen.
Clean any visible dirt around the site gently if needed, but don't rub the area hard or try to squeeze it. Avoid using human creams or strong antiseptics unless your vet has told you to.
Check the bite a couple of times a day for swelling, heat, pain or discharge, and make a note of any changes. If the area is on a place your dog can lick, monitor closely because licking can irritate the skin further.
When To Contact A Vet
Contact your vet if the bite is punctured, swollen, painful, warm, oozing, or if your dog seems unwell, lame or increasingly sore. It's also sensible to get advice if the bite was from an unknown animal, the skin is over the face or neck, or you're not sure how deep the injury is.
If the wound seems to be changing after the first few hours, don't wait for it to open before seeking help.
Products That May Help
If your dog has been bitten, it can be useful to keep up with gentle coat and skin care around the area while you monitor it. A suitable pet care collection may help support your normal grooming and hygiene routine.
Related Questions
How long after a bite can infection show up in dogs?
Can a dog bite heal without opening the skin?
What should I do if my dog keeps licking a bite area?
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.