hi..welcome to the forum...love your ID!
Your symptoms sound normal for a flare, and I wouldn't be too quick to judge the 5ASA meds harshly as of yet. Actually, you should be on rectal meds as well if your rectum is involved.
Multiple bms are normal for an IBD flare, or even IBS.
When do you go back for your results? I would suggest you get a copy of each pathology report for your records....when the doc says all is fine, it's nice to know what that means exactly...
You might also consider to start a fibre supplement as well as probiotics.
How are you eating? what's your diet consist of normally?
quincy