Lady's I need your help!

I'm 28 years old I have a like 2 weeks feeling realy tired n sleepy. When I get up I feel dizzy n when I eat I feel like throwing up. I don't think I'm pregnant I have the birth control in my arm I forgot the name it's inside my skin it last 3 years. I hate going to to hr doctor but what could it be. I'm anemic I been since I was 16.