No. Wont help tailbone pain. It is treatment for hemorrhoids.
Sometimes / yes. Bengay is an antiinflammatory medication that can be useful if you have tailbone arthritis or other inflammation. If it helps you, use it! You will not have any problems with your hemorrhoids due to the use of bengay. Good luck!
Yes. Hemorrhoids can cause specific pain just around the anus, or it can be more generalized in that area. Your body may feel this is pain around the tail bone. Some other conditions, like abscesses, can occur in this area that cause similar pain. If in doubt, have it checked out by your doctor.