My dog has a red blister not healing. Could it be a spider bite?

Question

Our hound mix is 8 1/2 years old and has a blistered red skin lesion on his back right flank that appeared about 2 weeks ago. We think it may be a brown recluse spider bite. It is a ring of blisters with a deep center. We have kept it clean and used an antibiotic cream on it. It is less than 1/2 inch in diameter and has not crusted over. It is not oozing anything and does not appear to be painful or getting worse but slow in getting better. Anything more to do? Pet's info: Dog | Mixed Breed Large (61lb +) | Male | neutered | 8 years and 7 months old | 65 lbs

Jeffrey Milner · Accepted Answer

The brown recluse spider can produce extremely serious clinical signs shortly after envenomation. These usually include vomiting, diarrhea, bleeding disorders, organ failure, and death. Without life saving measures, typically dogs do not survive. Since this occurred two weeks ago, it is highly improbably that this was the cause of Buddy's recent skin issues. From the picture above, it actually looks like a skin tag but your description is very different. As long as it is not oozing or being a bother (and appears to be healing slowly), Buddy may be on the up and up. The veterinarian can certain perform diagnostic testing of the lesion in order to identify the cause and type of problem if this is something you are interested in pursuing. However, I am not sure that this is really necessary at this time. If the areas starts to become infected, stops getting better, or becomes later, I would definitely recommend a visit to the vet some time soon.

My dog has a red blister not healing. Could it be a spider bite?

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