Hi. I have had a pain under my right rib for a while. Felt like a dull ache and sometimes a pinching. Now it radiates around my back and sometimes feel like a knife stabbed in my lower back. I have had some dizziness and a bit disoriented like my balance is off a bit, nausea, still get hungry but dread eating, headache, fatigue. I am wondering if I should go to ER. I don't have health insurance and this is what I was recommended to do. I threw up a hamburger last week and a hot dog a couple months back. The greasy meat doesn't agree with me at all. Thanks for your help.