Darvon Â® (propoxyphene hydrochloride) is a prescription painkiller. Belonging to a class of drugs called centrally acting narcotics, Darvon works in the central nervous system (the brain and spinal cord) rather than directly at the site of pain.
Step 1. Call (800) 589-5582 in the United States or the number of your local United Airlines national office if you are abroad. Note that the number for Canada is (800) 538-2929, and United Airlines maintains special 800 numbers in the United States for customers who prefer to speak Spanish, an Asian language or have hearing impairments.
1-800-UNITED-1 (1-800-864-8331) United offers an automated IVR (Interactive Voice Recognition) phone system, giving you a choice between speech recognition and touch-tone options. To navigate the 1-800-UNITED-1 menu by touch-tone, please see the list of options and corresponding touch-tone commands below: