Need some help/

my body has been feeling weird for the last month…the last time i got my period was in Nov. but it was a week early and didnt last long..maybe 3-4 days…when i sit down sometimes on a chair my lower back starts to hurt…i’ve broken out all over my face which i shouldnt…when i get too hot i break out in hives….ichy and all…my face gets red…and sex is painful??