http://www.medications.com/effect/view/37512 Lucky me- I started MACROBID Christmas eve for a UTI. I have never taken it before and felt nausea that night then the next morning (CHRISTMAS!) when I woke up I felt like I had been out drinking the night before. I had the worst hangover-like headache. Fri, 26 Dec 2008 04:18:36 -0500 http://www.medications.com/effect/view/37512?item=15505 typo error by myself- I typed "I was tied all day" and I meant "Tired!" all day http://www.medications.com/effect/view/37512?item=15505