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What Is Percocet?

Percocet is a prescription combination pain medication containing oxycodone hydrochloride and acetaminophen. Oxycodone is an opioid analgesic, while acetaminophen is a non-opioid pain reliever. Percocet is used for pain severe enough to require an opioid when alternative treatments are inadequate. It is an immediate-release oral medication, not an extended-release opioid. Because oxycodone is a Schedule II controlled substance, Percocet carries risks of misuse, addiction, physical dependence, and potentially fatal overdose. Its acetaminophen component also creates a risk of serious liver injury if excessive doses are taken.

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What Is Percocet?

Percocet is a prescription combination pain medication containing oxycodone hydrochloride and acetaminophen. Oxycodone is an opioid analgesic, while acetaminophen is a non-opioid pain reliever. Percocet is used for pain severe enough to require an opioid when alternative treatments are inadequate. It is an immediate-release oral medication, not an extended-release opioid. Because oxycodone is a Schedule II controlled substance, Percocet carries risks of misuse, addiction, physical dependence, and potentially fatal overdose. Its acetaminophen component also creates a risk of serious liver injury if excessive doses are taken.

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How Does Percocet Work?

Percocet combines two ingredients that reduce pain through different mechanisms. Oxycodone binds primarily to mu-opioid receptors in the central nervous system, changing how pain signals are transmitted and perceived. Acetaminophen acts mainly through central pain-regulating pathways, although its exact mechanism is not fully established. Together, the ingredients can provide analgesia when non-opioid treatments alone are inadequate. Oxycodone can also suppress breathing, while excessive acetaminophen exposure can damage the liver. Percocet relieves pain but does not treat the condition causing it.

When Is Percocet Prescribed for Pain?

Percocet is prescribed for pain severe enough to require an opioid analgesic when alternative treatments do not provide adequate relief or cannot be tolerated. It may be considered for selected acute pain conditions following surgery, injury, or other medical problems. A clinician assesses pain severity, previous opioid exposure, liver function, respiratory health, and the risk of substance misuse before prescribing it. Percocet is not intended as the initial choice for mild pain that responds to non-opioid treatment. Continued use should be reassessed according to pain control, function, and adverse effects.

How Should Percocet Be Taken?

Percocet is taken orally according to the prescribed strength and schedule. A common adult regimen is one tablet every six hours as needed for pain, although the appropriate dose and maximum tablet count depend on the oxycodone and acetaminophen strengths. Patients should use the lowest dose that provides adequate pain relief and avoid increasing the frequency without medical guidance. Total acetaminophen intake from all medications must not exceed 4,000 mg in 24 hours, and lower limits may be appropriate. Avoid alcohol and other sedatives unless the prescriber specifically addresses their use. Gradual tapering may be necessary after physical dependence develops.

What Are the Side Effects and Warnings of Percocet?

Common side effects include nausea, vomiting, constipation, dizziness, and sleepiness. Percocet carries boxed warnings for opioid addiction, misuse, life-threatening respiratory depression, accidental ingestion, and dangerous interactions with benzodiazepines and other central nervous system depressants. Excessive acetaminophen can cause acute liver failure. Prolonged opioid exposure during pregnancy can cause neonatal opioid withdrawal syndrome. Clinicians should discuss overdose risk and access to naloxone when appropriate. Extremely slow breathing, unresponsiveness, or suspected overdose requires immediate emergency care.

Common Questions About Percocet

Is Percocet the same as oxycodone?

Percocet contains oxycodone together with acetaminophen. Oxycodone-only products do not contain the additional acetaminophen component.

Is Percocet a controlled substance?

Yes. Percocet contains oxycodone, a Schedule II opioid associated with risks of misuse, addiction, dependence, and overdose.

Can Percocet cause liver damage?

Yes. Its acetaminophen component can cause serious liver injury if excessive amounts are taken, particularly when combined with other acetaminophen-containing medicines.

Can naloxone reverse a Percocet overdose?

Naloxone can reverse the opioid-related breathing suppression caused by oxycodone, but it does not treat acetaminophen poisoning. Emergency medical care is necessary for a suspected overdose.

References

Acetaminophen. LiverTox. https://www.ncbi.nlm.nih.gov/books/NBK548162/. Date Accessed October 30, 2026.

DailyMed - PERCOCET (oxycodone hydrochloride and acetaminophen) tablet. https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=4dd36cf5-8f73-404a-8b1d-3bd53bd90c25. Date Accessed October 30, 2026.

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

Oxycodone Combination Products. MedlinePlus. https://medlineplus.gov/druginfo/meds/a625053.html. Date Accessed October 30, 2026.

Percocet (Oxycodone and Acetaminophen). PubChem. https://pubchem.ncbi.nlm.nih.gov/compound/Percocet. Date Accessed October 30, 2026.