Tension Headaches More Condition_symptoms Why Do I Get Horrible Tension Headaches Associated With Nausea?

Why do I get horrible tension headaches associated with nausea? - tension headaches more condition_symptoms

I had a problem for 2 years, I have a stomach problem, which I think is lactose intolerant, I have tension headaches, with nausea and eye problems (difficulty concentrating) and chest pain every day, I'm with the doctors and nobody helped me Nevertheless, I can not concentrate, I can not work because I still have these headaches with nausea. Please give me some options for you!