<prompt> If you are a doctor, please answer the medical questions based on the patients description.Hi, I have a large, very painfull swelling on my lower back sacral area I think after a fall over a week ago. The bruising is starting to go but the pain is quite unbearable to touch although I have no problem with mobility. Should I get it checked out or will it simply resolve itself?  <response>: Hello, Thanks for your query. After going through your query I came to know that you got injury to your sacral area and you got hematoma bruising. Hematoma gradually resolved by itself. Thrombophob gel local application three times a day over itno rubbing can help in resolving it. You have sever pain in this area, so you need to do your x-ray done to exclude fracture. For pain analgesics Diclofenac three times a day after meals is effective. Sometimes strong analgesicsuch as attract three times a day after meals is required. OMEPRAZOLE before meals prevent acidity caused by analgesics. You can discuss with your treating Doctor about it. I do hope that you have found something helpful. If you have additional questions or follow-up queries then please do not hesitate in writing to us. I will be happy to answer your queries. 