View All. Hemarthrosis is the medical term for bleeding in a joint. When you have pain and âswelling in a single joint (monoarticular), hemarthrosis is a common cause. It is a cause for concern not only because of the pain, but because prolonged blood exposure can damage the cartilage.
There are cases when you should not use peroxide in ear cleaning and removal of wax. These include when you have a severe ear pain, temporal deafness, flow of discharge from or fluid from the ears. These are cases that requires serious medical treatment and you should consult your doctor.
Another idea for getting peroxide in to your gums: Put hydrogen peroxide into a Water Pik and then spray the peroxide at your gums, as you usually would do with a Water Pik. I think the people I've heard of doing this have used a mixture of half water and half 3% peroxide.