(b) A licensed health care professional who is permitted by law to prescribe an opioid antagonist may prescribe or dispense an opioid antagonist to any individual to treat or prevent a drug overdose without being liable for damages in a civil action or subject to criminal prosecution for prescribing or dispensing such opioid antagonist or for any subsequent use of such opioid antagonist. A licensed health care professional who prescribes or dispenses an opioid antagonist in accordance with the provisions of this subsection shall be deemed not to have violated the standard of care for such licensed health care professional. see full law