I plan to take my daughter to her doctor either Monday or Tuesday when I can get an appontment, but I am wondering what these symptoms could mean. Headache for a week off and on, dizziness, nausea, and then today her legs started feelng like noodles, she can walk and they aren t weak, just feel like she has ran a long race. No fever that she can tell. My daughter is 18, and a college athlete, currently playong hockey.