bladder infection
"First time taking Nitrofurantoin. I have a urinary tract infection about twice a year and have been on a few different things. I can not take sulfur based medicines as they produce a rash and can no longer take Cipro as it has caused panic in me before. I am taking a 10 day course 4 times a day of Nitro. On the positive, I felt almost immediate relief from the urgency of the UTI after taking the first  pill. It changes the color of urine to a bright yellow, and from the first urination after taking the Nitro the urgency was gone. This medicine did cause me to feel slightly sick the first few times I took it, and also causes me to be in bed at 8:30 pm every night, other than that works fantastic"