HOW TO BUYSUBOXONE​ONLINE, Suboxone is a prescription opioid medicine used to block the effects of opioid medication, including pain relief, which can lead to opioid abuse. Suboxone may be used alone or with other medications. Suboxone belongs to a class of drugs called Opioid Antagonists, Analgesics, Opioid Partial Agonist. It is not known if Suboxone is safe and effective in children.