Hi I suffered a manic episode from November 2017 to march 2018 some where during march 2018 I developed a feeling in feeling in my head after I would blink there would be a feeling that would follow after I woukd blink this then progressed in to a feeling the shifts the course if my eyes even when I don't blink and there's a constant throbbing feeling at the back if my head and also a slight darting feeling in my forehead that seems to to get triggered of by the throbbing feeling I have at the back of my head, I had an ultra sound on the arteries in my neck and back of the head and this all came back normal it's really got me worried, at this present moment I have my head on the pillow and I can hear the beating sound in the back of my head and every now and ten there's a stronger one that I feel in my foreheads and effects the course of my eyes? It's frustrating me i keep thinking seems it hasn't gone away now that it must be neurological damage or something although there is a throbbing sound kind of like a heart beat so it's more like a blockage?

My BP is fine and the meds I take are lithium carbonate

Thank you

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