dont know if I should test again I just feel so buggard.

Im on the pill well a month ago I changec to a different pill and didnt use protection for the week I was meant to my period came a week early but it was spotting and lasted a week and a half, I feel bloated and heavy in the lower abdomen, I have been tired and had headaches, nausea on and off I took two pregnancy tests when the spotting stopped and were both neg. My next period is due in a week and a half and dont know if I should test again I just feel so buggard and moody also I have been feeling achy in the lower abdomen, my face and back and arms are breaking out please help