What should I check if my dog’s lip folds are red or smelly? | arlo.® Atlas
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Overview
If your dog’s lip folds are red or smelly, the first things to check are moisture, debris and any signs that the skin is getting sore. This is often linked to skin fold irritation, but there can be several possible causes, including trapped saliva, food, poor air flow or an underlying skin problem.
Things To Check
1. Check whether the redness or smell is worse after eating, drinking, exercise or being outdoors.
2. Look closely for dampness, food debris, discharge, crusting, scabs or broken skin in the folds.
3. Notice whether your dog is rubbing their face, pawing at the mouth or seeming uncomfortable when you touch the area.
4. Check for swelling, heat or a stronger smell than usual, as these can suggest the skin is getting more irritated.
5. See if the problem is only on one side or both, and whether it has started suddenly or built up over time.
6. Look at your dog’s teeth and gums if they let you, because drooling, tartar or mouth discomfort can sometimes add to the problem.
7. Check whether similar redness, itching or smell is happening elsewhere, such as the ears, paws or under the chin.
Common Causes
The most common cause is moisture and debris sitting in the skin folds, which can irritate the skin and lead to an unpleasant smell. Saliva, food and regular face washing can all add to that.
Some dogs are more prone to skin fold dermatitis because of their face shape or deep lip folds. Allergies, yeast or bacteria may also be involved, especially if the area keeps coming back or looks more inflamed.
Less commonly, a dental or mouth problem can contribute if drooling or pain is making the folds stay wet. A lump, foreign material or another skin condition can also be part of the picture, so it’s best not to assume it’s just dirt.
What To Do
Gently clean away visible debris if your dog tolerates it, then make sure the area is dried carefully afterwards. Keeping the folds as dry and clean as you can is often the most helpful day-to-day step.
Try to note when the smell or redness appears, how often it happens and whether anything seems to trigger it. This makes it easier to spot a pattern and gives your vet a clearer picture if the problem doesn’t settle.
Avoid using human creams, antiseptics or fragranced wipes unless your vet has told you to. If the skin is already sore, more rubbing or wetness can make it worse, so be gentle.
When To Contact A Vet
Speak to your vet if the skin is broken, oozing, very painful, swollen or getting worse, or if the smell keeps returning despite regular cleaning and drying. It’s also a good idea to get advice if your dog seems unwell, is painful around the mouth, or the problem keeps coming back.
Products That May Help
A gentle pet care routine can be useful for dogs with skin folds, especially if you’re trying to keep the area clean, dry and comfortable between checks.
Related Questions
How do I clean my dog’s lip folds safely?
Can skin fold dermatitis come back in dogs?
Why does my dog’s face smell sour?
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.