What causes my dog's itching, licking, biting, and ear crusties?

Question

Bruno has been scratching at his nose with paws , licking genitals excessively , and biting feet/nails often... also just found a yellowish crusties on the inner upper part of the ear . Any ideas what this could be ? Pet's info: Dog | Australian Shepherd | Male | unneutered | 9 months and 18 days old | 30 lbs

Linda G, MS, DVM · Accepted Answer

Hello. Bruno probably has a skin infection, possible from the Staph bacteria on his skin. This is all because he has allergies, either from fleas, atopy ( inhalant allergens ), or food allergies. He may also have sarcoptic or demodex mites present or even a yeast infection. I would recommend seeing your vet who can test for various triggers to his itching, licking & biting & recommend what products will work best for you & Bruno. Thanks for using Petco Pet Education Center, formerly Petcoach.

What causes my dog's itching, licking, biting, and ear crusties?

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