Communicate with GI
If you have been diagnosed with crohn's, you need a good gastroenterologist to reduce flares, avoid systemic consequences, survey for dysplasia, & maintain remission.
In choosing a GI specialist, find one with whom you feel comfortable fielding such questions as above. Discuss frankly options (step-up versus top-down therapy). Avoid precipitants of flares (medical noncompliance, tobacco, nsaid's.