A drug used to control temperature is called an ___________.

An antipyretic is a medication specifically designed to reduce fever by lowering body temperature. It achieves this effect by acting on the hypothalamus, the part of the brain that regulates body temperature. Antipyretics help alleviate discomfort associated with fever and improve overall well-being, particularly during infections or illnesses.

Other types of medications mentioned serve different functions. Antitussives suppress coughing, addressing symptoms related to respiratory conditions. Vasodilators are used to widen blood vessels and improve blood flow, often in cardiovascular treatments. Decongestants relieve nasal congestion by shrinking swollen blood vessels in the nasal passages. Each of these serves a specific purpose, which is distinct from the temperature-regulating function of antipyretics. This understanding reinforces the role of antipyretics specifically in the management of fever.