Modern veterinary anesthesia has become dramatically safer with proper monitoring, but welfare depends on appropriate protocols for each patient.
Anesthetic awareness during inadequate depth and prolonged recovery from anesthetic overdose are welfare concerns. However, the greatest anesthetic welfare risk is undertreated pain - animals in pain require deeper anesthesia, increasing risk. Appropriate pre-emptive analgesia improves anesthetic safety and patient welfare simultaneously. Monitoring standards that detect cardiovascular compromise early enable intervention before irreversible harm. Owner anxiety about anesthesia sometimes results in beneficial procedures being declined - welfare requires balanced risk communication.