Iodine and Gadolinium Contrast Reactions: What Is the Risk and Role of Premedication, Abbreviated Protocols, Prior History of Reactions, and Cross-Reactivity?

Benjamin M. Mervak, MD, Jennifer S. McDonald, PhD

Iodinated contrast media (ICM) and gadolinium- based contrast media (GBCM) are essential tools for the practice of radiology, allowing for improved visualization and characterization of anatomic structures and pathology.