I have a surgical biopsy last Friday , and when I wake up my lip is swelling and the nurse what happen she said it s from the breathing tube, I have a lots of major surgery in my life but this is first time it happen , it looks like a cut but there is no bleeding just white stuff in it. I tried ice, peroxide , cold water, still hurts it doesn t look it s getting better any advice for home remedies. Thank you Bev