Many patients have had their choices of treatment for lung carcinoma transformed by osimertinib, a precision medicine.However, like all medications, it has adverse effects, such as nausea.This article aims to examine the challenges faced by patients with nausea caused by osimertinib, such as investigating its reasons, treatment methods, and the significance of support for patients.Understanding the Physiological Processes of Osimertinib-induced NauseaNausea caused by osimertinib is a common adverse effect, which is often ascribed to the drug's interaction with the neurological system.This section will explain the physiological mechanisms of this side…