My dog has strange skin lesions and open wounds. What's the cause?

Question

I have a dog with some lesions of very strange pattern on her leg and some open wounds on her inner front legs and lower belly. This is progressive probably x3 weeks but the open wounds (they're not horrible) are new within the past few days. She has no lethargy and no signs of fever or infection, but there's clearly a skin irritation. The photos show the skin as much less red than it is in person. Pet's info: Dog | Mixed Breed Medium (23 - 60lb) | Female | spayed | 9 years old | 56 lbs

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

This is probably due to an allergy, although it could also be infection or mites. First of all, in order to rule out skin parasites, you will need to treat with a high quality flea treatment (advocate or advantage), then ask the vet to perform a skin scrape - this might reveal an infection or a mite infestation. If all of those came back negative, the next step is to treat the allergy symptomatically and try to discover the cause of the allergy. Three main type of allergies are usually affecting pets: food allergies, flea and parasite related ones and environmental type (allergens coming from trees, pollens, dust etc etc). Some medications can be given by the vet in order to repair any possible skin lesions (like steroids and antibiotics). 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 strange skin lesions and open wounds. What's the cause?

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