 And when my doctor saw damage, RENVOC helped visibly reduce damage of the intestinal lining. Check. For both UC and Crohn's, rapid symptom relief, lasting steroid-free remission. And visibly reduced damage. Check, check, and check. RENVOC can lower your ability to fight infections, including TB. Serious infections and blood clots, some fatal. Cancers, including lymphoma and skin. Heart attack, stroke, and GI tears occurred. People 50 and older with a heart disease risk factor have an increased risk of death.