The disease is distinct from irritable bowel syndrome (or IBS) although some of the symptoms overlap.
I also have IBS, although as a diagnosis it feels more like a catch-all for when there’s clearly a problem but they’ve ruled out more serious diseases like ulcerative colitis. I have other friends with the same diagnosis as me but very clearly different triggers, symptoms, and things that help, so it seems like we really have some different diseases. That said, I’ve seen some significant improvement in the past few years thanks to a combination of medicines. Not a cure, but less bad days and flare-ups often don’t last as long. I actually saw an as the other day for a completely different medication than any I currently take, so if you haven’t talked to your gastroenterologist about treatment options since before the pandemic it might be worth checking in.