Darvon, also known by its generic name propoxyphene, was a prescription medication that was used for the relief of mild to moderate pain. It belonged to the class of drugs known as opioids. However, I should note that Darvon has been withdrawn from the market in many countries, including the United States, due to safety concerns.
The U.S. Food and Drug Administration (FDA) requested the manufacturer to halt production and distribution of Darvon and other propoxyphene-containing products in 2010. This decision was made due to the potential risk of serious and sometimes fatal heart rhythm abnormalities associated with propoxyphene use.
Propoxyphene, the active ingredient in Darvon, carried a risk of addiction, respiratory depression, sedation, and other side effects associated with opioids. Due to its withdrawal from the market, it is generally not recommended for use.
If you have any concerns about pain management or need information about alternative medications, I recommend speaking with a healthcare professional who can provide you with the most up-to-date and appropriate recommendations based on your individual needs.