Mild dizziness and headache for 2 weeks what can it be?

dr ... two weeks ago I feel light sickness a little headache, it seems that I will get sick, but nothing appears ... continues the same situation, amamento ha 1 year and 4 months, I have sexual relations only with the coitus immortrompido method, but I'm regulated ... what can be ... pregnancy ?? anemia?? bacteria in the stomach ?? help me
Expert answer:

Its symptoms are very general, but they do not indicate for any of the diseases that you mentioned. A stomach upset could be. "Emotional problems" would be on the list for sure; pregnancy, could even cause nausea, but it would not cause the headache.