Macrobid Side Effects: I was prescribed Macrobid for UTI. I had taken it for seven days http://www.medications.com/effect/view/20496 I was prescribed Macrobid for UTI. I had taken it for seven days and started itching like crazy and also hives . That was a month ago and still itching eveyday. I have to take benedyl everyday . Went back to dr. was told it will go away in 6 mths. I can't I AM HAVING THE SAME PROBLEM. IT HAS BEEN 3 MONTHS. HOW LONG DOE Mon, 21 May 2007 14:04:49 -0400 http://www.medications.com/effect/view/20496?item=178 I AM HAVING THE SAME PROBLEM. IT HAS BEEN 3 MONTHS. HOW LONG DOES THIS LAST? http://www.medications.com/effect/view/20496?item=178