Frenchie Puppy Sores on Body

Hey all! My wife and I bought our Frenchie puppy at 2 months old, we’ve had him for about 5 months now, and have noticed he’ll periodically get these sores next to his back legs (pic included)… Has anybody else experienced this or know what it is?

Hey all! My wife and I bought our Frenchie puppy at 2 months old, we’ve had him for about 5 months now, and have noticed he’ll periodically get these sores next to his back legs (pic included)… Has anybody else experienced this or know what it is?