Emetogenic is a medical term that refers to substances or treatments that cause nausea and vomiting. There are several synonyms for the term emetogenic, some of which include nauseating, sickening, queasy, vomit-inducing, emetic, and vomitous. These words are often used to describe medications, chemotherapy, radiation therapy, and certain medical procedures that are known to cause nausea and vomiting. Healthcare providers may use these synonyms to better describe the side effects of certain treatments and to develop treatment plans that help to prevent or relieve nausea and vomiting. Knowing these synonyms can also help patients better understand their treatment options and potential side effects.