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What Is OxyContin?

OxyContin is a prescription extended-release pain medication containing oxycodone hydrochloride, an opioid analgesic. It is used to manage severe and persistent pain that cannot be adequately treated with alternative options, including immediate-release opioids. OxyContin is approved for adults and certain opioid-tolerant children aged 11 years and older. Its extended-release formulation provides pain control over a longer period and is not intended for occasional or as-needed pain relief. OxyContin is a Schedule II controlled substance because of its risks of addiction, misuse, dependence, and overdose.

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What Is OxyContin?

OxyContin is a prescription extended-release pain medication containing oxycodone hydrochloride, an opioid analgesic. It is used to manage severe and persistent pain that cannot be adequately treated with alternative options, including immediate-release opioids. OxyContin is approved for adults and certain opioid-tolerant children aged 11 years and older. Its extended-release formulation provides pain control over a longer period and is not intended for occasional or as-needed pain relief. OxyContin is a Schedule II controlled substance because of its risks of addiction, misuse, dependence, and overdose.

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How Does OxyContin Work?

OxyContin contains oxycodone, which binds primarily to mu-opioid receptors in the brain and spinal cord. Activating these receptors changes how the central nervous system processes and responds to pain signals. Its extended-release formulation gradually releases oxycodone to provide prolonged pain relief. Oxycodone can also suppress activity in the brain's respiratory centers, making breathing dangerously slow, particularly at higher doses or when combined with other sedatives. OxyContin relieves pain but does not treat its underlying cause.

Who Can Receive OxyContin for Pain Management?

OxyContin is approved for adults with severe and persistent pain requiring opioid treatment when alternative options are inadequate. It is also approved for opioid-tolerant children aged 11 years and older who already receive and tolerate at least 20 mg of oral oxycodone daily or an equivalent opioid dose. Pediatric patients must meet additional prior-treatment requirements. OxyContin is reserved for patients whose pain cannot be adequately managed with other treatments. It is not intended for occasional pain, mild discomfort, or use as an as-needed analgesic.

How Should OxyContin Be Taken?

OxyContin is generally taken orally every 12 hours according to an individualized prescription. Tablets must be swallowed whole and must never be crushed, chewed, split, or dissolved because disrupting the extended-release formulation can release a potentially fatal dose of oxycodone. Starting doses depend on previous opioid exposure, medical history, and treatment response. Higher-strength tablets and certain daily doses are restricted to opioid-tolerant patients. Patients should not increase their dose without medical guidance. A clinician should supervise gradual dose reduction when stopping treatment after physical dependence has developed.

What Are the Side Effects and Warnings of OxyContin?

Common side effects include constipation, nausea, vomiting, dizziness, and drowsiness. OxyContin carries boxed warnings for addiction, abuse, misuse, and potentially fatal respiratory depression. Combining it with benzodiazepines, alcohol, or other central nervous system depressants can cause profound sedation, coma, or death. Other concerns include accidental ingestion, withdrawal in newborns after prolonged exposure during pregnancy, and physical dependence. Patients and caregivers should discuss access to naloxone for overdose reversal. Extremely slow breathing, severe sleepiness, or unresponsiveness requires immediate emergency assistance.

Common Questions About OxyContin

Is OxyContin the same as oxycodone?

OxyContin contains oxycodone in an extended-release formulation. Immediate-release oxycodone products have different dosing instructions and are not directly interchangeable without medical supervision.

How long does OxyContin provide pain relief?

OxyContin is designed for dosing every 12 hours. Its extended-release formulation provides longer-lasting pain control than immediate-release oxycodone.

Can OxyContin tablets be crushed or split?

No. OxyContin tablets must be swallowed whole. Crushing, splitting, chewing, or dissolving them can release a dangerous or potentially fatal amount of oxycodone.

Can OxyContin cause addiction or overdose?

Yes. OxyContin carries serious risks of addiction, misuse, physical dependence, and life-threatening overdose, even when prescribed. Patients should follow their treatment plan and discuss overdose prevention with their clinician.

References

DailyMed - OXYCONTIN (oxycodone hydrochloride) extended-release tablet. https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=bfdfe235-d717-4855-a3c8-a13d26dadede. Date Accessed October 30, 2026.

Oxycodone. LiverTox. https://www.ncbi.nlm.nih.gov/books/NBK547955/. Date Accessed October 30, 2026.

Oxycodone. MedlinePlus. https://medlineplus.gov/druginfo/meds/a682132.html. Date Accessed October 30, 2026.

Oxycodone. PubChem. https://pubchem.ncbi.nlm.nih.gov/compound/oxycodone. Date Accessed October 30, 2026.

Oxycodone. StatPearls. https://www.ncbi.nlm.nih.gov/books/NBK482226/. Date Accessed October 30, 2026.