Tex. Health & Safety Code 483.106(b)
Emergency Medical Services Personnel Administration of an Opioid Antagonist
Emergency services personnel can administer an opioid antagonist to a person believed to be suffering from an opioid-related drug overdose.
Administration of Opioid Antagonist
(b) Emergency services personnel are authorized to administer an opioid antagonist to a person who appears to be suffering an opioid-related drug overdose, as clinically indicated.