Suboxone is a medicine to treat people who are addicted to opioid drugs such as heroin, cocaine, or fentanyl and decided to leave their addiction. This is a combination of buprenorphine and naloxone. Buprenorphine is an opioid drug and naloxone blocks the effects of opioids. Suboxone is used to treat drugs and narcotic addiction. It is not used for pain treatment. Suboxone may affect breathing problems. Do not inject suboxone it can be dangerous to use it as directed by your doctor.