Can anyone help me out on what's wrong ?

Symptoms

- Confusion (really bad confusion, like I feel like I'm not even here)

-horrible stomach pain

-chills ( comes and go)

I'm 22 years old, female sometime my stomach pain is so nadyi have to sit down. I had a baby 4 months ago and i haven't stopped bleeding for more than a week and half since iv had him ( they think it's my birth control) these symptoms have been going on for a week and a half.. I hate feeling like this. I'm gonna call the doctor at some point. What could be going on? IV been having A really sort temper also and getting irritated so quick.