 [ Symptoms ] i have been having very sharp stabbing pains down through the top rtrear of my head the pain almost knocks me down i have been having these pains for 6 7 weeks i have had no previous head injuries they just started out of the blue they are not headaches they are in  a dime sized spot on top of my head right side just off center back portion top of head does that make any sense these pains happen wether  i am standing or laying down thank you for your time [ Disease ] a potassium level of 2 9 is still too low which is why you were put on buy mouth potassium to get the level back to normal