Oxycodone is a semi-synthetic medication that is present in many pain relief pills and is also available as a single tablet. In contrast, Percocet contains Oxycodone and acetaminophen, which is available as a generic medication. We cannot say which one is better because it depends on the individual's pain and health condition. It can be stored at a normal room temperature. It should be kept in a container because it might interact with light and moisture. When you swallow it with a glass of water, it works within 15-30 minutes. The effect of these medications can be felt within one hour.