Back, Neck, shoulder pain. Sir.

I went to trip to Mangalore in the year of 2012. After coming I got fever and cold..I took treatment but cold not cleared , the cold level was very much..same taken treatment in so many clinics but not cleared fully. Finally in Kamakshi hospital Mysore doctor told u have sinusitis in your nose. same diagnosed but problem not cleared meanwhile I was experiencd every day back neck short legs and hands pains, tiredness and feel uncomfortable always.finally I had major surgery to my nose in yashomathi hospital in the year 2015 but back neck shoulder and hands pains not cleared but cold problem reduced...body pain problem increased again I showed in Manipal hospital Bangalore found vitamins D and B12 was low in the year 2014 but on that time I was not taken proper treatment. Again in 2017 I showed same in Manipal vitamins levels are very low..taken treatment from jan to March-17 after that checked the levels found normal. But my body pains not cleared please give suggestions​ sir.