What commonly used inhaled anesthetic is known for its "laughing gas" effect?

The inhaled anesthetic commonly referred to as "laughing gas" is nitrous oxide. This designation arises from its ability to induce feelings of euphoria and laughter in patients, particularly at sub-anesthetic doses. Nitrous oxide is widely used for its analgesic and anxiolytic properties, making it a popular choice in various medical and dental procedures.

In addition to its euphoric effects, nitrous oxide has a rapid onset and offset of action, allowing for quick titration and recovery, which is advantageous in outpatient settings. It also has a unique pharmacological profile that differentiates it from other inhaled anesthetics, which tend to have more profound effects on consciousness and muscle relaxation.

Halothane, desflurane, and isoflurane, while all potent inhaled anesthetics, do not share the same psychoactive properties that result in the characteristic "laughing gas" effect. Instead, they are primarily used for their anesthetic qualities during surgery, with different side effect profiles and features related to their use and metabolism.