Opioid overdose is a serious and potentially fatal outcome of using opioids, which include substances derived from the poppy plant, semisynthetic compounds, and synthetic opioids. Opioids are commonly prescribed for pain management and include medications like morphine, fentanyl, and tramadol. While opioids can be effective for pain relief under medical supervision, their non-medical use, misuse, and prolonged use can lead to dependence and various health issues.
Opioid overdose occurs when the effects of opioids on the brain’s respiratory centers lead to breathing difficulties, potentially resulting in death. Worldwide, drug-related deaths in 2019 accounted for around 600,000 fatalities, with opioids being responsible for approximately 80% of these deaths. About 25% of opioid-related deaths were due to opioid overdose.
Signs and symptoms of opioid overdose include:
- Respiratory depression or slowed breathing.
- Unresponsiveness or inability to awaken.
- Pinpoint pupils (pupils constricted to a small size).
The opioid epidemic has become a significant public health concern in various countries, driven by factors such as increased availability of prescription opioids for chronic pain management and the emergence of highly potent synthetic opioids in the illicit drug market. In the United States, drug overdose deaths reached 70,630 in 2019, with synthetic opioids accounting for a substantial portion of these deaths. The COVID-19 pandemic further exacerbated the overdose crisis, particularly due to a surge in deaths involving synthetic opioids.
Fentanyl, a synthetic opioid around 50-100 times more potent than morphine, has gained attention for its role in opioid-related deaths. While it’s listed as an essential medicine by the World Health Organization (WHO) and used for pain relief, illicitly manufactured fentanyl and its analogues like carfentanil have been linked to an alarming increase in opioid overdose deaths. Illicit drug suppliers sometimes add fentanyl to other substances, including opioids, increasing the risk of overdose.
Efforts to address opioid overdose include raising awareness, improving access to naloxone (a medication that can reverse the effects of opioid overdose), implementing harm reduction strategies, and expanding treatment options for opioid use disorder. Additionally, healthcare providers are encouraged to prescribe opioids judiciously and monitor patients closely to prevent misuse and dependency.