Why is my dog biting his paws with black nails, red sores, and blood?

Question

Hi, my dog has been biting his paws. I just saw what looks like black stuff on top of 2 nails, a red sore (bump), and and some blood. What could this be? Pet's info: Dog | German Shepherd | Male | neutered | 1 year and 9 months old | 57 lbs

David Elbeze, DVM, MRCVS · Accepted Answer

This can be caused by various reasons such as fleas, mites ,fungal infection, bacterial infection and allergies. the first 4 needs to be ruled out before we start treating for allergies. in order to do that first de-flea Marshal with a high quality flea treatment such as advantage spot on, if it doesn't help - take him to the vet in order to check for/treat the other possibilities. If everything is ruled out, then an allergy treatment can be started. Usually an hypoallergenic food is a good way to start together with anti histamines. if it doesn't help - the best solution is a medication called Apoquel which treats allergies with great success and without side effects.

Why is my dog biting his paws with black nails, red sores, and blood?

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