i have lupus, multiple ureters on one side and history of reoccurring pyelonephritis. i have been have uti symtoms for a few weeks took entire prescription of macrobid and started feeling slightly better but only for a couple days. i have a lot of flank and abdominal pain. i have been taking cranberry capsules and drinking water. i took 2 home uti test and both showed positive for leukocytes. i have been having fevers, chills, nausea and vomiting,should i go to the er or will they just think im stupid?