Ketamine is an NMDA receptor antagonist. By temporarily blocking these receptors, it triggers a surge of glutamate, the brain's primary excitatory neurotransmitter. This glutamate surge promotes the release of BDNF (brain-derived neurotrophic factor), a protein that supports the growth and strengthening of new neural connections.
In depression, brain imaging consistently shows reduced connectivity in mood-regulating regions, particularly the prefrontal cortex. Ketamine appears to rapidly restore that connectivity by promoting synaptic plasticity, the brain's ability to form new pathways. For many patients, this translates into noticeable mood improvement within hours or days, sometimes after a single infusion.
At Better Balance Psychiatry, each infusion is delivered at a carefully calculated sub-anesthetic dose, typically 0.5 to 1.0 mg/kg, over 40 to 60 minutes. You remain conscious and able to communicate throughout, with continuous monitoring by our medical team.