What diagnosis would you give me, if i suffer headaches, fatigue and dizziness everyday for three years?

Several things: This problem can only be solved by seeing your doctor and being evaluated face-to-face. After a thorough examination, your doctor should be able to tell you what's wrong and what to do about it.

Dx: This can't be diagnosed with the information that is available. A history, physical examination & other studies may be needed to determine cause/causes.