What Causes Fluttering Sensation In The Throat?

i get a flutter in my throat it feels like air passing uncontrolled through my throat very strange sensation. I have also experienced a fluttering and racing heart, aching between my shoulder blades, constant cramping in my legs feet and sever fatigue which make me feel very low. Previous blood test showed border line hypothyroidism but my GP said the blood results would not cause my symptoms and suggested i had depression and recommended counselling. I could not see what a Councillor could do about the constant cramping in my legs, dry eye condition and felt depression was not the reason. I do Feel low and tearful but feel is due to sever fatigue and constantly feeling unwell. In the last few days i have experienced sudden onset of sickness, dizziness and loss of coordination currently taking vitamin B s tablets to try and improve energy levels, have you any suggestion. which may help.