A method, system and apparatus for administering various medicaments including those for treating pain and substance dependency are disclosed. The apparatus is a unit for heat activation of a morphine opiate liquid concentrate mixed with a carrier substance to produce inhaled gas. The method includes inhaling the heat activated gaseous vapor concentrate for pain relief, to treat substance dependency or administration of other medicaments. The system includes a heat vaporization unit with security, control and communication capability to provide effective patient care and ensure safety.