My dog has a sudden itchy, crusty yellow spot on his back. What is it?

Question

My mini schnauzer has a small area of light yellow colored of crusty "stuff" on his back. Its smaller than a dime. It's a bit itchy and it appeared suddenly. He does not have any other spots on his body. He's almost 10 yrs old. What could this be? Pet's info: Dog | Miniature Schnauzer | Male | neutered | 28 lbs

Dr. Massimo Orioles, DVM, Cert AVP, MRCVS · Accepted Answer

Although a picture of it would help to determine the underlying cause more specifically, this presentation could be due to a trauma or localized spot of skin infection (likely to be caused by bacteria or fungal). A check up, appropriate disinfection and possibly antibiotics or antifungal meds (oral, topical or in a shampoo formulation) are needed to solve the problem. Disinfection can eventually be started at home with very diluted hibiscrub or betadine or salted water baths. Buster collar may be useful as well to avoid any licking. Hope this answer was helpful, but please do not hesitate to contact us again on the forum or by requesting a consultation if you have any more questions or to discuss it any further.

My dog has a sudden itchy, crusty yellow spot on his back. What is it?

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