Of course, you know all too well but Mrs. mcapo always said that the muscle relaxers worked better than pain meds to calm the pain down.Gall dang ....that's a rough patch, for sure ! If I was a doctor (I'm not), I might prescribe a muscle relaxant to help your back.
Whatever virus is going-around this winter is nasty. You might want to reconsider work on Monday.... as you sure don't want to make it worse.