Oxycodone is an opioid medication that takes on pain. It comes in tablet, capsule, or liquid form. Understand the uses, side effects, and precautions. Oxycodone is a medicine that is used to help treat severe pain. Common side effects include constipation, nausea, vomiting, stomach pain, headache, and dizziness. Do not drive or do other. Learn about oxycodone usage and dosing. Read the latest news and reviews about the drug as well as potential side effects and popular alternatives. Why is this medication prescribed? Oxycodone is used to relieve severe pain. Oxycodone is in a class of medications called opiate (narcotic) analgesics. It works by changing the way the brain and nervous system respond to pain. Oxycodone, sold under the brand names Roxicodone and OxyContin (which is the extended-release form) among others, is a semi-synthetic opioid used medically for the treatment of moderate to severe pain. Oxycodone is used to manage pain severe enough to require an opioid pain medicine when other pain medicines do not treat pain well enough, or are not tolerated. Includes oxycodone side effects, dose, reviews, warnings, and more. Oxycodone acts on the central nervous system (CNS) to relieve pain. Oxycodone extended-release capsules or tablets should not be used if you need pain medicine for just a short time, such as when recovering from surgery. The pill with imprint 30 M (Blue, Round, 6 mm) has been identified as Oxycodone Hydrochloride 30 mg and is used for Chronic Pain, Back Pain, and Pain. It belongs to the drug class Opioids and is classified as a Schedule 2 controlled substance. Oxycodone hydrochloride tablets, USP are an immediate-release oral formulation of oxycodone hydrochloride indicated for the management of moderate to severe pain where the use of an opioid analgesic is appropriate. This medication is used to help relieve moderate to severe pain. Oxycodone belongs to a class of drugs known as opioid analgesics. It works in the brain to change how your body feels and responds to pain.