https://medixway.com/pain-relief/oxycodone-40-mg/Purchase Oxycodone Online 40mg. Oxycodone 40 mg is a high-dose, extended-release opioid medication used to manage severe, chronic pain that requires continuous, around-the-clock treatment and cannot be controlled by other pain medications. It is not intended for occasional or "as-needed" use.Buy Oxycodone Online.