???? Spooky Savings Alert! ???? This Halloween, vanquish Chronic pain with our exclusive offer: Buy Oxycontin OP 30mg Online at spine-chilling discounts! A single dose of OxyContin works for about 12 hours, and the drug and its metabolites can be detected for longer. OxyContin is Schedule II controlled medication used to help relieve severe ongoing pain caused due to medical conditions like cancer The half-life of OxyContin is 4-5 hours, which means that it takes 4-5 hours for half the dose to be removed from the body, and you can Buy Oxycontin OP 30mg Online.