OxyContin is available for strong and fast acting pain relief that really works. Oxycontin 80 mg works by suppressing neurotransmitters in your brain that are responsible for your chronic pain. If your doctor has recommended you can buy OxyContin 80 mg as the most effective prescription for your severe or chronic pain needs, please make sure you create a safe and effective pain relief plan that works for you. To avoid developing an OxyContin dependency, notify your doctor immediately of any changes in your prescription OxyContin needs.