There are four unique methods of administration for ketamine during psychedelic therapy: intravenous infusion (IV), intramuscular injection (IM), lozenges, and intranasal spray. Here’s how each method of administration works and why IV is an efficacious choice.
In early 2019, an esketamine nasal spray was approved by the FDA for adults with treatment-resistant depression. Its FDA-approved uses were later expanded to include patients suffering from acute suicidal ideation. But what is esketamine, and how is it different from regular ketamine?