Tartar emetic is a medication that is used to treat various conditions, such as nausea, vomiting, and chest pain. It is primarily composed of antimony and potassium and is also known as antimony potassium tartrate. Tartar emetic has been in use since ancient times and has been mentioned in many traditional medical texts. Some synonyms for tartar emetic include antimony potassium tartrate, emetic tartar, tartarized antimony, and potassium antimony tartrate. While the different names for this medication can be confusing, they all refer to the same active ingredients and can be used interchangeably in medical contexts.