question: hi sir....i have had severe  "point" pain in my left sacral region progressively gradually increasing over the period of 2yrs...started after in had chickengunya infection....did an mri, was diagnosed to have erosions hypodense in my left sacroiliac joint and was spreading towards the right. the pain starts wen i lie down supine...we i try to turn to laterals,,,almost terribly painful...cant turn at all....now it has has increased ...wen i lift weight..and wen i walk fast the pin point pain starts...my doctor told me to check my vitamin d levels..it was deficient...hence started on pain killers n calcium n vit d supplements...but the pain is not alleviating at all...plzz help doc..                                                                                               jenny d