Posted 2/19/2021 4:30 PM (GMT -5)
The bright yellow urine is common to oral mesalamine use. Be sure to drink plenty of water with each dose, and otherwise keep well-hydrated throughout the day. Colazal was my break-through med for managing UC-- so I wish you equally good results with it. / Old Hat (40 yrs with left-sided UC; in remission taking Colazal)