Suggest Treatment For Headache And Sickness

I am 17, I will be 18 next month I 98 weigh lbs, And I am hypoglycemic I have been feeling very sick all the time lately, I get a headache every day, I do take alot of headache medications, I feel tired all the time and it has affected my work ethic I don't ever feel like waking up, I would choose laying down over eating, and that does not seem right to me, I get up for school every morning and I feel absolutely horrible and I want to be happy and enjoy my day everyday but I can't and I don't like it I need to know if this is something serious or not