I just found this board and you can not believe how it makes me feel!! I know others out their suffer from dental anxiety such as myself but everyone close to me just doesn't understand when I talk to them about it. They just tell me to be calm and I can get through it, easy for them to say! Anyhow, I'm the type that ends up writing a book when it comes to these things so I'll try to get right to the point. I have had terrible mouth pain on my right side since Dec. 30. It took 2 Drs. and 3 Dentists to finally figure it out or come close to the problem. I finally went to a specialist and he said that one of my teeth need a root canal done. The other one by it in the back has deep roots that go into my sinus cavities and may still cause me pain later in life. I need a ton of work done on my teeth, and I mean a ton!! So before all of this happened I had an estimate of over $5000 worth of work (mainly crowns) to be done. Then this and the pain. Well, I am going to go through with it, it is Feb. 7th scheduled. BUT.....heres my problem...I have dental anxiety and they said I could take a pill called Xanax and hour before I come in or have gas. I thought, oh boy the pill sounds like it is for me. Then I started to do some checking on it and it says it can cause heart palpatations and chest pains along with a million other things. I have a heart murmur (which will require antibiotics before the root canal) and worry on top of all of this, what if the Xanax makes things worse? Has anyone tried it before? I have never had gas either. Can you feel the pain with the gas and how does gas make you feel? Anyone, please respond it would mean so much. I am going to call my Dr. and ask her about the Xanax so I can get all the info I need before going in on the 7th but I would so appreciate hearing from others.