What causes my dog's swollen, pussing lip sores and blisters?

Question

My dog has gotten this flare up of swollen sores/blisters on his bottom and tops lips within licking reach and I was wondering was could cause it. The bottom lip began to puss and bleed so I used peroxide to clean it and sort of dry it up and am giving him canine amoxicillin. Pet's info: Dog | Mixed Breed Large (61lb +) | Male | neutered | 1 year and 11 months old | 95 lbs

Dr. Elizabeth · Accepted Answer

Lesions like this can be related to acne, folliculitis or allergies. Typically this does respond to antibiotics but if allergies are the issue, the condition can reoccur. Dogs breeds with heavy jowls/lips are more prone to this condition. Washing all the food/water dishes and all chew toys once a week can help. Your veterinarian may also carry medicated wipes the clean the area daily. Lastly, if allergies are suspected, Jax may need a special diet or even blood testing to determine the offending allergen. I hope this helps and please feel free to post any additional questions.

What causes my dog's swollen, pussing lip sores and blisters?

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