Hi- I am a 21 year old female, 5 2 , 135 pounds. Four days ago I suddenly started experiencing severe vertigo and nausea. Since then, the vertigo has been constant, though less severe now than in the first two days. I have no ear pain and have not been on any boats, roller coaster rides, bumpy buses, airplanes, or anything else that might account for upsetting the equilibrium in my inner ear. I have no history of vertigo or any other illness. Could there be a serious underlying problem, or should I just let the symptoms go away on their own?