You can easily buy oxycodone online in USA from our Careskit store. Order now to get fast and overnight delivery via FedEx. Oxycodone is available in several different strengths, including 5mg, 10mg, 15mg, 20mg, 30mg, and 40mg tablets. It is also available in liquid solutions and extended-release formulations. The dose and frequency of oxycodone will depend on the individuals pain level and response to the drug.