Over the last several decades, our understanding and application of the drug ketamine has evolved and expanded significantly. Originally known for its anesthetic properties, ketamine has demonstrated a unique ability to provide relief for individuals suffering from severe mental health conditions such as depression, anxiety, and Post-Traumatic Stress Disorder (PTSD). This is particularly notable in cases where traditional treatment methods, such as psychotherapy and antidepressants, have failed to produce effective results. The emergence of ketamine as a potent tool in the battle against these debilitating conditions marks a significant and promising advance in the field of mental health treatment.