Oxycodone is used to relieve severe pain enough to require opioid treatment. When other pain medicines do not work well enough or cannot be tolerated, it refers to a group called narcotic analgesics. People buy oxycodone online, which acts on the central nervous system to relieve pain. It is a strong prescription medicine used when an opioid medication is needed to manage severe pain enough to require a daily around-the-clock, long-term treatment with an opioid. It can relieve moderate to severe acute pain, and it is most useful for spontaneous bursts of shooting pain, also known as paroxysmal pain. Doctors often prescribe oxycodone for: paroxysmal pain Steady pain Chronic pain Cancer-related pain