Hi, welcome to our site. I am Dr Saumya Mittal, MD. Read your query. That is a very significant question and i appreciate your problem. I will try my best to answer your query I think you need to see a doctor. Backache with hyperaesthesia (increased pain on touching) , means that there is some problem going on inside the back that may be affecting the nerves arising from the back. The compression of the nerves can cause severe pain, that often radiates to the lower limbs. Or may cause tingling or numbness. She may need an MRI and followed by physiotherapy I hope this helps you. Inform the reports mentioned above/if any other so I can be of help further. I have given you the answer to the maximum considering the information provided. The results of the tests could further enhance my answer to you. Please do understand that some details could be extracted from a detailed history and examination. Please feel free to ask another query. I would be glad to help you. Looking forward to your return query with the details asked so that I can help you further. (If the answer has helped you, please indicate this) Best of luck.