For around 6 months now i've been suffering with dizziness that comes on from nowhere. its not every day and when it happens it can last from any where between a couple of hours to nearly the whole day. I tried to book a gp appointment but could never get one so thought maybe its vertigo and managed it best i could myself. however in recent weeks i keep almost fainting at random times in the day, waiting for my eldest outside school, having my eyes tested at the opticians and even sat at my parents having a conversation. i'm ringing the gp every day to try and get an app without any luck but will keep persisting. whats going on, any ideas to what could be causing it?
thanks