MedicalTerminology DB

Meaning of ketamine: A drug used to cause a loss of feeling and awareness and to induce sleep in patients having surgery.

Definition of ketamine

A drug used to cause a loss of feeling and awareness and to induce sleep in patients having surgery. It is also being studied in the treatment of nerve pain caused by chemotherapy. Ketamine blocks pathways to the brain that are involved in sensing pain. It is a type of general anesthetic. Also called Ketalar and ketamine hydrochloride.

Written and maintained by James Murray Last updated July 21, 2026 Educational reference, not medical advice. Read the limitations.

For learning, not diagnosis. This glossary provides general educational information and is not a substitute for advice from a qualified healthcare professional. If you may be experiencing a medical emergency, contact local emergency services.