omg the itching!!!!!

Ok this just started today. I thought it was cause I got kinda sweaty and being Preggos but after my shower I'm still itching EVERYWHERE!!!  No rash, no bumps, didn't change any thing like soap or perfume or anything like that. Can we take bynadrell or however you spell that the cheap allergy medicine. I'm dying. I have gotten naked, doesn't help. Put clothes on, doesn't help. Changed my surroundings like temp from hot to cold and back the other way no help. And to clarify it's not my crotch it's everything else. Ugh it's gonna be a long night. 😢 help.