Generic Name: acetaminophen and oxycodone (a SEET a MIN oh fen and OX i KOE done)
Brand Name: Endocet, Nalocet, Percocet, Primalev, Primlev, Roxicet, Xartemis XR
Medically reviewed by Philip Thornton, DipPharm. Last updated on Dec 16, 2019.
What is acetaminophen and oxycodone?
Oxycodone is an opioid pain medication, sometimes called a narcotic.
Acetaminophen is a less potent pain reliever that increases the effects of oxycodone.
Acetaminophen and oxycodone is a combination medicine used to relieve moderate to severe pain.
Acetaminophen and oxycodone may also be used for purposes not listed in this medication guide.
Stop taking acetaminophen and oxycodone and call your doctor right away if you have skin redness or a rash that spreads and causes blistering and peeling.
MISUSE OF OPIOID MEDICINE CAN CAUSE ADDICTION, OVERDOSE, OR DEATH. Keep the medication in a place where others cannot get to it.
An overdose of acetaminophen can damage your liver or cause death. Call your doctor at once if you have pain in your upper stomach, loss of appetite, dark urine, or jaundice (yellowing of your skin or eyes).
Taking opioid medicine during pregnancy may cause life-threatening withdrawal symptoms in the newborn.
Oxycodone may be habit-forming and should be used only by the person it was prescribed for. Keep the medication in a secure place where others cannot get to it. Acetaminophen and oxycodone can cause side effects that may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be awake and alert.
Fatal side effects can occur if you use opioid medicine with alcohol, or with other drugs that cause drowsiness or slow your breathing.
Before taking this medicine
You should not use this medicine if you are allergic to acetaminophen or oxycodone, or if you have:
severe asthma or breathing problems; or
a blockage in your stomach or intestines.
To make sure acetaminophen and oxycodone is safe for you, tell your doctor if you have ever had:
a drug or alcohol addiction;
urination problems; or
problems with your thyroid, pancreas, or gallbladder.
If you use opioid medicine while you are pregnant, your baby could become dependent on the drug. This can cause life-threatening withdrawal symptoms in the baby after it is born. Babies born dependent on opioids may need medical treatment for several weeks.
Do not breast-feed. Acetaminophen and oxycodone can pass into breast milk and cause drowsiness, breathing problems, or death in a nursing baby.
How should I take acetaminophen and oxycodone?
Take acetaminophen and oxycodone exactly as it was prescribed for you. Follow all directions on your prescription label. Never take acetaminophen and oxycodone in larger amounts, or for longer than prescribed. An overdose can damage your liver or cause death. Tell your doctor if the medicine seems to stop working as well in relieving your pain.
Never share acetaminophen and oxycodone with another person, especially someone with a history of drug abuse or addiction. MISUSE CAN CAUSE ADDICTION, OVERDOSE, OR DEATH. Keep the medicine in a place where others cannot get to it. Selling or giving away acetaminophen and oxycodone is against the law.
Measure liquid medicine carefully. Use the dosing syringe provided, or use a medicine dose-measuring device (not a kitchen spoon).
If you need surgery or medical tests, tell the doctor ahead of time that you are using this medicine.
You should not stop using acetaminophen and oxycodone suddenly. Follow your doctor's instructions about tapering your dose.
Store at room temperature away from moisture and heat. Keep track of your medicine. You should be aware if anyone is using it improperly or without a prescription.
Do not keep leftover opioid medication. Just one dose can cause death in someone using this medicine accidentally or improperly. Ask your pharmacist where to locate a drug take-back disposal program. If there is no take-back program, flush the unused medicine down the toilet.
Usual Adult Dose for Pain:
Oxycodone 2.5 mg/acetaminophen 300 or 325 mg: 1 to 2 tablets every 6 hours
Maximum dose: 12 tablets in 24 hours
Oxycodone 5 mg/acetaminophen 300 or 325 mg: 1 tablet orally every 6 hours as needed for pain
Maximum dose: 12 tablets in 24 hours
Oxycodone 7.5 mg/acetaminophen 300 or 325 mg: 1 tablet orally every 6 hours as needed for pain
Maximum dose: 8 tablets in 24 hours
Oxycodone 10 mg/acetaminophen 300 or 325 mg: 1 tablet orally every 6 hours as needed for pain
Maximum dose: 6 tablets in 24 hours
Oral Solution: Oxycodone 5 mg/acetaminophen 325 mg per 5 mL:
Usual dose: Oxycodone 5 mg/acetaminophen 325 mg (5 mL) orally every 6 hours as needed for pain
Maximum dose: Oxycodone 60 mg/acetaminophen 3900 mg (60 mL) in 24 hours
-Verify dose in mg and mL prior to administration
EXTENDED-RELEASE (ER) DOSING:
As First Opioid Analgesic: 2 tablets orally every 12 hours (each ER tablet contains oxycodone 7.5 mg/acetaminophen 325 mg)
-The second dose may be administered as early as 8 hours after initial dose if needed; however, subsequent doses should be administered every 12 hours
-Doses should be individually titrated to provide adequate analgesia while minimizing adverse reactions.
-Because of the risks of addiction, abuse and misuse, the lowest effective dose for the shortest duration consistent with individual patient treatment goals should be used.
-Monitor patients closely for respiratory depression within the first 24 to 72 hours of initiating therapy and following any increase in dose.
-Oxycodone/acetaminophen ER Tablets are not interchangeable with other oxycodone/acetaminophen products.
Use: For the management of acute pain severe enough to require an opioid analgesic and for which alternative treatments are inadequate.
What happens if I miss a dose?
Since this medicine is used for pain, you are not likely to miss a dose. Skip any missed dose if it is almost time for your next dose. Do not use two doses at one time.
What happens if I overdose?
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222. An overdose of acetaminophen and oxycodone can be fatal.
The first signs of an acetaminophen overdose include loss of appetite, nausea, vomiting, stomach pain, sweating, and confusion or weakness. Later symptoms may include pain in your upper stomach, dark urine, and yellowing of your skin or the whites of your eyes.
Overdose can also cause severe muscle weakness, pinpoint pupils, very slow breathing, extreme drowsiness, or coma.
What to avoid
Avoid driving or operating machinery until you know how acetaminophen and oxycodone will affect you. Dizziness or drowsiness can cause falls, accidents, or severe injuries.
Do not drink alcohol. Dangerous side effects or death could occur.
Ask a doctor or pharmacist before using any other medicine that may contain acetaminophen (sometimes abbreviated as APAP). Taking certain medications together can lead to a fatal overdose.
Acetaminophen and oxycodone side effects
Get emergency medical help if you have signs of an allergic reaction to acetaminophen and oxycodone: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Opioid medicine can slow or stop your breathing, and death may occur. A person caring for you should seek emergency medical attention if you have slow breathing with long pauses, blue colored lips, or if you are hard to wake up.
In rare cases, acetaminophen may cause a severe skin reaction that can be fatal. This could occur even if you have taken acetaminophen in the past and had no reaction. Stop taking this medicine and call your doctor right away if you have skin redness or a rash that spreads and causes blistering and peeling.
Call your doctor at once if you have:
noisy breathing, sighing, shallow breathing;
a light-headed feeling, like you might pass out;
weakness, tiredness, fever, unusual bruising or bleeding;
confusion, unusual thoughts or behavior;
problems with urination;
liver problems - nausea, upper stomach pain, tiredness, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes); or
low cortisol levels - nausea, vomiting, loss of appetite, dizziness, worsening tiredness or weakness.
Seek medical attention right away if you have symptoms of serotonin syndrome, such as: agitation, hallucinations, fever, sweating, shivering, fast heart rate, muscle stiffness, twitching, loss of coordination, nausea, vomiting, or diarrhea.
Serious side effects may be more likely in older adults and those who are overweight, malnourished, or debilitated.
Long-term use of opioid medication may affect fertility (ability to have children) in men or women. It is not known whether opioid effects on fertility are permanent.
Common acetaminophen and oxycodone side effects include:
dizziness, drowsiness, feeling tired;
feelings of extreme happiness or sadness;
nausea, vomiting, stomach pain;
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
What other drugs will affect acetaminophen and oxycodone?
You may have breathing problems or withdrawal symptoms if you start or stop taking certain other medicines. Tell your doctor if you also use an antibiotic, antifungal medication, heart or blood pressure medication, seizure medication, or medicine to treat HIV or hepatitis C.
Opioid medication can interact with many other drugs and cause dangerous side effects or death. Be sure your doctor knows if you also use:
cold or allergy medicines, bronchodilator asthma/COPD medication, or a diuretic ("water pill");
other narcotic medications - opioid pain medicine or prescription cough medicine;
drugs that make you sleepy or slow your breathing - a sleeping pill, muscle relaxer, medicine to treat mood disorders or mental illness;
This list is not complete. Other drugs may interact with acetaminophen and oxycodone, including prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible interactions are listed here.
More about acetaminophen / oxycodone
- Side Effects
- During Pregnancy
- Dosage Information
- Patient Tips
- Drug Images
- Drug Interactions
- Pricing & Coupons
- En Español
- 775 Reviews
- Drug class: narcotic analgesic combinations
- FDA Alerts (5)
Related treatment guides
Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use acetaminophen and oxycodone only for the indication prescribed.
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
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