Which of the following drugs is a common treatment option for narcotic dependence?

Buprenorphine is a widely recognized treatment option for narcotic dependence, primarily due to its partial agonist properties at the opioid receptors. This means that buprenorphine can activate the opioid receptors to a lesser extent than full agonists like morphine or heroin, thereby helping to alleviate withdrawal symptoms and cravings without producing the same degree of euphoria or respiratory depression. This quality makes buprenorphine a beneficial medication in a supervised treatment program for individuals struggling with opioid addiction. It is often combined with counseling and behavioral therapies to improve treatment effectiveness.

In contrast, ibuprofen and aspirin are nonsteroidal anti-inflammatory drugs (NSAIDs) primarily used for pain relief and inflammation, not for treating narcotic dependence. Diphenhydramine is an antihistamine commonly used for allergic reactions and as a sleep aid; it has no role in the treatment of opioid dependence. Hence, buprenorphine stands out as the appropriate choice for addressing narcotic dependency in this context.