Keep an eye on it
What it can look like. A general, vet-reviewed example — signs vary and this is not a diagnosis. When in doubt, ask your vet.
Red, inflamed skin in dogs
Clinical name: Erythema
Pink-to-red flushed skin, usually where the coat is thin.

Where it shows upbelly · armpits · groin · paws
Typical patternBelly, armpits, groin and between the toes.
Linked allergy typesEnvironmental (atopy) · Food allergy · Contact allergy
Food vs environmentalNon-specific; pattern over time matters more.
What you can do
Photograph it so you can track whether it spreads.
Don't confuse it with
Other causes a vet will want to rule out: heat rash, infection, contact irritant.
This is educational information, not a diagnosis or treatment plan. Always see your veterinarian about your dog's health.

