What is Naloxone (Narcan) primarily used for?

Naloxone, commonly known by its brand name Narcan, is primarily utilized as an opioid receptor antagonist specifically for the purpose of reversing opioid overdoses. It works by binding to the same receptors in the brain that opioids attach to, effectively displacing them and reversing the effects of the overdose, including respiratory depression and sedation. This crucial action can rapidly restore normal breathing in someone who has overdosed on opioids, thus saving lives.

The other options presented do not align with the primary function of Naloxone. It is not utilized for preventing heart attacks, treating anxiety disorders, or reducing inflammation, which clearly distinguishes Naloxone's unique application in emergency medical situations related to opioid overdose. This precise capability highlights the importance of Naloxone in addressing the ongoing opioid crisis and underscores its role in first aid and emergency response protocols.