<s>[INST] My back has been hurting very badly the last 3 days. It s in the middle on the right side. I also have been running a temp. Not high but I knew I had one. Have no idea what s going on. My grandson (13) just told me that many people are sick at his school right now. Can u help? [/INST] Hello,Thank you for contact us,While having fever its possibly that patient always suffering from many other thing like weakness , back pain etc. so nothing to more worry about it.It  causes just because that while you are having fever you will rest more than normal. while having more rest you always been resting on your back and it will become rigid and due to that you may have back pain.Still you may concern good doctor if pain is there for long time.He/She will \suggest you more after checking you physically. Hope it will work for your back pain.Good luck, Take care.Thanks & regards,Dr. Gaurav Prajapati </s>