Not sure if I'm flaring

Just when I thought the news is good...

There was blood in my stool last night. I spoke with my GI and he said the stool samples didn't show a bacterial infection, so now he's thinking the inflammation might be higher up, where he couldn't see it with the flex sig. He suggested a CT scan to see if there is inflammation higher up, and then he said if there is inflammation we should do a colonoscopy to get a better look and take biopsies. He called in a prescription for oral mesalamine in the meantime. He said it's gonna be 4 tablets, once a day. Anyone taking their oral meds on that routine?