Buy Roxicodone Online for the treatment of moderate to severe pain. The active ingredient present in Roxicodone is Oxycodone. Oxycodone is an opioid medication, which works by binding the neurotransmitters present in the brain and the spinal cord. The increased activity of the mu-receptors in the brain and spinal cord numbs the sensation of the pain, hence giving instant relief. One should be careful of the side effects though as It has a high chance of addiction and dependency related issues. So use it under strict supervision.