What is naloxone primarily used for?

Naloxone is primarily used as a life-saving medication to reverse opioid poisoning. Opioids, which include substances such as heroin, morphine, and prescription pain relievers, can cause respiratory depression and potentially lead to death when taken in overdose amounts. Naloxone works as an opioid antagonist, meaning it binds to the same receptors in the brain that opioids do but does not activate them. This action effectively counteracts the effects of the opioids, restoring normal breathing and consciousness in individuals who have overdosed.

The other answer choices focus on different health concerns. Treating dehydration involves rehydration techniques, such as the administration of fluids, and does not relate to opioid use. Antibiotics target bacterial infections and are ineffective against opioid overdose situations. Pain relievers are used to manage discomfort, but they do not address the life-threatening effects of opioids. Therefore, the unique role of naloxone in opioid overdose situations distinguishes its function as a critical tool in emergency medical response.