Buy Oxycontin OC 30 Online, It is an immediate-release oxycodone formulation. Doctors prescribe this medicine for moderate to severe pain. This is an opioid drug and you will need a prescription to buy Oxycontin online or at your local health care store. But here at our pharmacy, you can buy Roxicodone online without a prescription. There is a risk of abusing this drug and for this reason.