Oxycodone, is the generic name for a narcotic pain medication in an immediate release form. Some of the brand names of oxycodone are Roxicodone and OxyIR. (for Imediate Release). Some of the doses available are 5, 15 and 30 mg pills. There are forms of oxycodone that are released slowly over an extended period of time, eg, 12 hours. Some names of these preparations are OxyContin, probably the most well known one and comes in tablets of 10, 15, 20, 30, 40, 60 or 80 mg. There are other time released products and liquid preparations of Oxycodone as well. These time released doses are designed for use in patieents that are already tolerant to the dose prescribed and are being changed over to a preparation that will cause a more steady blood level. If chewed these pills can release a very large dose of drug at a time, which makes them popular as a drug of abuse and also very dangerous in that it has caused many fatalities when used this way.It is depend on condition, how much you need. If your need more then price less, but if you want less then price is more.