Final answer:
A cathartic is a drug that induces vomiting. Examples include syrup of ipecac and activated charcoal. They should only be used under medical supervision.
Step-by-step explanation:
A cathartic is a drug that induces vomiting. It is used to stimulate the vomiting reflex and empty the stomach contents, typically to treat poisoning or overdose situations. Examples of cathartics include syrup of ipecac and activated charcoal. It is important to note that cathartics should only be used under medical supervision and should not be used as a means of weight loss or purging.