Symptoms normal? Pls help

Hello! I’m in my first pregnancy ever! (yay!)

And today I have felt absolutely horrible.

I’m between 5/6 weeks and

*I’ve felt extremely dizzy/lightheaded & nausea pretty much simultaneously *

Is this normal?

I feel terrible because I’m not handling this very well.

I originally just had implantation cramping/spotting & very tender breasts