Why is my dog's leg cut swollen with pus and splitting into new cuts?

Question

My whippet got this cut on his back leg. The swelling had pus in it and now it has split into a second cut. Can you tell me what could cause this? I'm not sure how he got the first cut. Pet's info: Dog | Mixed Breed Medium (23 - 60lb) | Male | unneutered | 1 year and 6 months old

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

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.

Why is my dog's leg cut swollen with pus and splitting into new cuts?

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