Oral works as well - no pain in the nose, etc - but it does take more ketamine. As for the IV... these are doctors administrating it. An IV allows for more prec

Oral works as well - no pain in the nose, etc - but it does take more ketamine. As for the IV... these are doctors administrating it. An IV allows for more precision, and a point of the treatment, it seems, is to avoid the K-hole effect - which would seriously disturb a lot of patients. If I was using opiates for a medical purpose, I would want to be precise - heroin vs making poppy tea.