HELP

Please help, I’ve had this hamster for a few weeks now and it has this sudden black spot that is balding on its back and head. I just noticed this. Change bedding weekly and it’s getting food changed daily and water is being replaced. Getting lots of exercise. Any thoughts??

Please help, I’ve had this hamster for a few weeks now and it has this sudden black spot that is balding on its back and head. I just noticed this. Change bedding weekly and it’s getting food changed daily and water is being replaced. Getting lots of exercise. Any thoughts??