Frustrated and confused

Jaquelyne • Im 26 I have two kids my daughter is 9 and my son is 8months
With the signs my body is giving me is so confusing and frustrating I've been nauseated for like a week threw up once and I'm still nauseated I get dizzy my version get blurry my period is due in 5 days I should be having cramps and PMS but no I'm normal on that part im just so ugh on what's going on I'm sleeping more and only eating hot or spicy foods usually I be  craving chocolate but I just need some advice