Flaring up a lot lately

I' m a college teacher and since the lockdown, my workload from home has increased immensly. I keep working for hours non-stop. Working from home is very hectic. At the beginning, my fistula started to hurt. Definitely, because of sitting for hours. Now, every week, I get a mini-flare up for 3 - 4 days. I had an accident yesterday and a diarrheal bout. I try my best to keep this mini-flare up at bay but I'm reallly worried. I don't want to relapse.
I don't know whether stopping Imuran was a right decision or not. At the onset of the outbreak of Coronavirus, my GI decided to stop it. I'm on a tapered dose of budesonide (3mg) and Remicade. But it seems that this is not enough with all this stress around: stress of getting Corona and stress of the endless hours of work.
What else should I add to my meds? Should I see my GI?

73monte, thank you. Saw my GI after 2 months and a half and all his assistants were impressed that I could survive that long w/o seeing him. It's not my norm by the way. He insisted I shouldn't resume taking Imuran esp during the outbreak of Coronavirus. He says there is no need to be under two immunosuppressants that could weaken my immune system. If things are manageable on Remicade, then no need for Imuran esp that it caused me severe fatigue lately.