D..
If she is all stopped up and can't breathe well, try putting her in her car seat to sleep in. It will keep her propped up so that her nasal passages have an easier time of it.
Strange, I know, but put Vicks on her feet and put socks over them. So many people on this site swear by that.
If you have not taken her to the doctor, I think you should. She could end up with a secondary infection, like an ear infection.
Dawn