PLEASE HELP!!!!!!!!!!!

Trisha • Mommy of two amazing little princess and finally getting our prince 2018
So I don't know if this is the right group to post in
PLEASE HELP!!!!
So I have mirena I got my 1st period the weekend before Christmas then I got another one on the 2 of January (this one was super heavy and cramping) then I have one start on the 19 ( super light like less the spotting) 
And now nothing I am super nauseous, I can not sleep, I have head ache constantly..... what is going on here.......