[Diagnostics and therapy of gastroenterological side effects of immune checkpoint inhibitor therapy].

With the increasing use of immunotherapy, numerous gastroenterological side effects may occur, significantly impacting patients' quality of life and potentially leading to life-threatening complications. The most common adverse effects include diarrhea, colitis, hepatitis, pancreatitis, but other gastrointestinal manifestations such as those affecting the upper digestive tract and celiac disease have also been reported. Rapid recognition and intervention are crucial for improving patient outcomes, with corticosteroids being the primary treatment option, and various biological therapies are available depending on the specific side effect. This article provides a detailed analysis of the diagnostic and therapeutic approaches for common side effects, facilitating the exclusion of other etiologies and enabling effective treatment planning.