What is naloxone used for?

• A. Treating opioid dependence long-term.
• B. Pain relief in acute injury.
• C. Reversing an opioid overdose.
• D. Reducing caffeine cravings.

Answer: (C)

Naloxone is used to reverse an opioid overdose. It works by quickly occupying the same opioid receptors in the brain that opioid drugs bind to, effectively displacing the opioids and restoring normal breathing and level of consciousness. Because it acts fast, it’s the go-to emergency treatment given by responders or bystanders with naloxone in overdose situations.

It’s not used for long-term opioid dependence treatment or maintenance, which involves other therapies and medications. It doesn’t provide pain relief and can trigger withdrawal symptoms in someone who is opioid-dependent. Also, the reversal effect may wear off before all opioids have left the body, so medical follow-up and sometimes additional dosing are needed.