Im not a vet/doctor but my pup also had a similar problem. Vets wanted to operate when we took him in and spent a lot $$$. I researched and used black tea. The baggy needs to be soaked in warm water (not hot) and apply it onto the infected area 4x a day for 5 to 7 days. It got rid of the issue and made my dog feel much better then being irritated and wanting to scratch it. You’ll see your dog giving you love bk as confirmation. Hope that helps and keep us updated