This document provides an overview of common chemotherapy medications used in veterinary oncology and their side effects. It discusses general side effects like gastrointestinal issues and bone marrow suppression that are seen with many drugs. It then examines specific drug classes like vinca alkaloids, alkylating agents, platinum agents, anthracyclines, antimetabolites, and tyrosine kinase inhibitors; listing common uses and toxicities for each. The document provides grading scales for side effects and treatment recommendations to manage complications.