Buy Suboxone Online. Firstly, Suboxone is a prescription medication that combines Buprenorphine and Naloxone. It’s used to treat opioid addiction. (Heroin and narcotic painkillers are common opioid drugs.) Buprenorphine belongs to a class of drugs called opioid partial agonists, which help relieve symptoms of opiate withdrawal. Suboxone is not for use as a pain medication, but it can also help as a pain reliever.