Last five to six month I feel dizzy, lightheaded sometimes. Sometimes like, once to twic in a month. Also a Weird Sensation on the portion of back. avobe neck. I'm took medicine Spinfree and medicine of inner - ear problem, now It's quite ok. I don't know what's causing the problem. I've done my Cbc test, where everything is ok. I'm a patient of anxiety, that's why I think about lots of disease and irrational things day by day. What should I do?