Which complication is commonly associated with general anesthesia?

Respiratory depression is a complication commonly associated with general anesthesia due to the effects of anesthetic agents on the central nervous system. During general anesthesia, medications are administered that can lead to decreased respiratory drive and impaired ability to breathe independently. This occurs because general anesthetics can depress the brain's respiratory centers, resulting in reduced sensitivity to carbon dioxide and decreased muscular effort needed for breathing.

While other complications like nausea, skin rash, and headache can occur, they are generally considered less directly associated with the process of general anesthesia itself compared to respiratory depression. Nausea may arise postoperatively, skin reactions can be due to various causes including medication sensitivity, and headaches may relate to factors like positioning during surgery or post-anesthesia effects. In contrast, respiratory depression specifically reflects the pharmacological impact of the anesthetic on respiratory function, making it a critical concern that necessitates careful monitoring and support during the perioperative period.