oxycodone addiction starts when the body and brain become accustomed to functioning with the drug. When an individual is repeatedly exposed to a drug, the brain gets used to the effects that the drug produces. This is known as tolerance. This often results in an individual requiring higher doses of the drug to experience the desired pain relief or pleasure. As the tolerance builds, some people take more of the drug more often than prescribed, which can lead to addiction. To easily overcome this health issue with Oxycodone addiction rehab and build a brighter future.