I feel dizzy all the time. my eyes hurt. i get lots of head pain. feel generally tired and run down.

long list : Of possibilities. Need more details such as duration, time of onset, any particular time of day, any factors that relieve or aggravate. Start with a complete physical and blood tests if you have not had one recently.

Need for evaluation: It is not feasible to provide a meaningful opinion without taking additional history, physical examination and may be some tests. It would be prudent to see your doctor.