5 Pharmaceutical preparations for reducing, managing and relieving pain, treating addiction disorders and treating mental health illnesses; pharmaceutical preparations consisting of ketamine, flumazenil and psychedelics for the treatment of pain, addiction disorders and mental health illnesses; pharmaceutical preparations, namely, medicinal psychoactive psychedelic therapies for the treatment of pain, addiction disorders and mental health illnesses; drug delivery agents in the form of small molecules for the controlled release of therapeutic agents; wearable drug delivery devices, namely, subcutaneous pumps, sold filled with pharmaceutical preparations, for the delivery of medication for pain management, reduction and relief, addiction disorders, and mental health illnesses