my boyfriend has had a canker sore on the inside of his lip for well over a month now and has not been able to get rid of it. It popped once but has now grown back and hes starting to get concerned about it. He's been using Kanka to numb it and gargling with salt water but it hasnt gotten any better, so I was wondering if anyone knows a better way to get rid of them?
I know that if they last longer than 2 weeks you are supposed to see a doctor. It may require anti-biotics to get rid of it once and for all. Good luck!
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