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Hi there and welcome to Just answer!! I am Dr. Loretta, a licensed veterinarian and I am happy to answer your question.
You are doing great so far! This wound if it was from a dog bite or a laceration from playing, will require you to clean this thoroughly with hydrogen peroxide every day and then apply the Trypzyme. Give the Cephalalexin as directed for the last wound and this will be sufficient. It is best to leave these types of wounds open so they can drain the infectious material out and the healing will be by second intention or in other words, from the inside out.
If it appears infected, have your vet check it but if you follow these instructions, he should be fine.
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