<s>[INST] I woke up feeling fine but as the day went on my tail bone dtsrted to hurt. but the time I went to bed I couldnt even get into bed because of the pain. Now the next day it still hurts and im nauseous. ive never injuried it or have I been sitting alot...what is wrong....? [/INST] Hi, your problem is known as coccydynia which is characterized by pain at the end of spine which also known as tail bone. Common cause is fall on buttocks but may be due to inflammation or swelling in the tail bone region. This problem is easy to diagnosed but difficult to treat. Rxsitz bath-take hot water tub and sit in it twice a day for 15 min. Use ring pillow during sitting or Chat Doctor. Applied local ointment application. Oral analgesics.be patient it will take 8-10 good weeks to recover. Thanks </s>