Vyvanse (lisdexamfetamine) has made me feel pissed at everyone..is it normal to feel this way?

No. It is not : Please let your psychiatrists know as soon as possible about the difficulties that you are having. This is not normal with my events and could indicate underlying bipolar disorder that had previously gone undiagnosed. Sometimes it is simply agitation caused by the medication itself. That can sometimes be treated with simple dosage reduction.Best wishes.