I am having muscle pain and chest tightness for more than 4 years now, day by day it is becoming more, difficulty in breathing when I lie down, tingling in whole body, neck tightness , feels like my muscles are becoming hard, but not diagnosed with anything, vit
b12 is normal , ecg ,
lft, kft tests are normal , only vit d is less, but this thing has made me mad , not able to live my life to tha fullest., what it can be doctor?plz help