Harsh pregnancy symptoms early on?

Rose

Hey all, I literally just got a faint positive yesterday around 4pm , the past few days I have felt an increase in hunger and urination. I was then at work lastnight and around 9pm I had a strong wave of dizziness and hot flash hit me and I actually ended up blacking out, I then threw up about 4 times and was very cold and still soooo out of it. It took almost a half hour to fully recover. I literally just got the faint positive so I feel like it is so early to feel like this. Anyone else experience this very early on in pregnancy? I took another test this morning and its still showed the faint line. Any insight is appreciated , I do have a doc appt scheduled to make sure all is okay since I am so early on.