Updated On March 27th, 2016
Pet's info: Dog | Chihuahua | Male | unneutered | 9 years and 6 months old
Answered By Andrea M. Brodie, DVM 64
Veterinarian
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This often happens when dogs excessively lick their testicles, then the skin gets infected and scabs over. I suggest you keep him from licking ( you can put an e-collar on him or a t-shirt or a baby jump suit, if you have one, and then take him to a vet this coming week for an exam. He may need antibiotics for the skin infection.
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