(a) A pharmacist may dispense an opioid antagonist under a valid prescription to:
(1) a person at risk of experiencing an opioid-related drug overdose; or
(2) a family member, friend, or other person in a position to assist a person described by Subdivision (1).
(b) A prescription filled under this section is considered as filled for a legitimate medical purpose in the usual course of professional practice.
(c) A pharmacist who, acting in good faith and with reasonable care, dispenses or does not dispense an opioid antagonist under a valid prescription is not subject to any criminal or civil liability or any professional disciplinary action for:
(1) dispensing or failing to dispense the opioid antagonist; or
(2) if the pharmacist chooses to dispense an opioid antagonist, any outcome resulting from the eventual administration of the opioid antagonist.