Literally always getting lightheaded and dizzy and on the verge of passing out. I need to go get it…

Literally always getting lightheaded and dizzy and on the verge of passing out. I need to go get it checked. They think my anemia isn’t severe enough to prescribe me a supplement but something gotta be going on 😩 I sat down for 20 minutes to regain myself and I was still seeing black and eyes were seeing stars and I could barely breathe