👉 Pathochemistry is a branch of chemistry that deals with the relationship between drugs, their metabolism, and the body's response to them. It examines how drugs are absorbed into the bloodstream, transported throughout the body, and interact with the body's systems in order to achieve therapeutic effects or prevent adverse side effects. The term "pathochemistry" comes from Greek medicine and refers specifically to the study of the pathophysiology of disease, which is the understanding of why a particular disease occurs. In the