Ketamine is a medication mainly used for starting and maintaining anesthesia. It induces a trance-like state while providing pain relief, sedation, and memory loss. Other uses include chronic pains, sedation in intensive care and depression. Moreover we notice heart function, breathing and airway reflexes generally remain functional. Its effects typically begin within five minutes when you take in by injection and last up to about 25 minutes.
Common side effects include agitation, confusion, or hallucinations as the medication wears off. Also take note that elevated blood pressure and muscle tremors are relatively common.