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Generic Name: acetaminophen and oxycodone (a SEET a MIN oh fen and OX i KOE done)
Brand Name: Endocet, Percocet 10/325, Percocet 2.5/325, Percocet 5/325, Percocet 7.5/325, Primlev, Roxicet
Medically reviewed on December 12, 2017.
What is Narvox (acetaminophen and oxycodone)?
Oxycodone is an opioid pain medication. An opioid is 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.
What is the most important information I should know about Narvox (acetaminophen and oxycodone)?
Oxycodone can slow or stop your breathing. Never use this medicine in larger amounts, or for longer than prescribed. Do not crush, break, or open an extended-release pill. Swallow it whole to avoid exposure to a potentially fatal dose. Narcotic pain medicine may also be habit-forming, even at regular doses. Never share this medicine with another person, especially someone with a history of drug abuse or addiction. Keep the medication in a place where others cannot get to it.
MISUSE OF NARCOTIC MEDICINE CAN CAUSE ADDICTION, OVERDOSE, OR DEATH, especially in a child or other person using the medicine without a prescription.
Tell your doctor if you are pregnant. Oxycodone may cause life-threatening withdrawal symptoms in a newborn.
Do not take more of this medicine than recommended. An acetaminophen overdose can damage your liver or cause death.
What should I discuss with my healthcare provider before taking Narvox (acetaminophen and oxycodone)?
You should not use this medicine if you are allergic to acetaminophen (Tylenol) or oxycodone, or if you have recently used alcohol, sedatives, tranquilizers, or other narcotic medications.
You should not take Xartemis XR if you have:
severe asthma or breathing problems;
a bowel obstruction called paralytic ileus; or
if you have used an MAO inhibitor in the past 14 days, including isocarboxazid, linezolid, methylene blue injection, phenelzine, rasagiline, selegiline, or tranylcypromine.
To make sure this medicine is safe for you, tell your doctor if you have:
any type of breathing problem or lung disease;
liver disease, cirrhosis, or if you drink more than 3 alcoholic beverages per day;
a history of drug abuse, alcohol addiction, or mental illness;
diarrhea, inflammatory bowel disease, or a blockage in your stomach or intestines;
kidney disease, urination problems;
low blood pressure, or if you are dehydrated;
problems with your gallbladder, pancreas, or thyroid; or
a history of head injury, brain tumor, or seizures;
It is not known whether this medicine will harm an unborn baby. If you use oxycodone 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 habit-forming medicine may need medical treatment for several weeks. Tell your doctor if you are pregnant or plan to become pregnant.
Acetaminophen and oxycodone may pass into breast milk and could harm a nursing baby. Tell your doctor if you are breast-feeding a baby.
How should I take Narvox (acetaminophen and oxycodone)?
Follow all directions on your prescription label. Oxycodone can slow or stop your breathing, especially when you start using this medicine or whenever your dose is changed. Never use this medicine 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.
Oxycodone may be habit-forming, even at regular doses. Never share this medicine with another person, especially someone with a history of drug abuse or addiction. MISUSE OF NARCOTIC MEDICINE CAN CAUSE ADDICTION, OVERDOSE, OR DEATH, especially in a child or other person using the medicine without a prescription. Selling or giving away acetaminophen and oxycodone is against the law.
Always check your bottle to make sure you have received the correct pills (same brand and type) of medicine prescribed by your doctor. Ask the pharmacist if you have any questions about the medicine you receive at the pharmacy.
Measure liquid medicine with a special dose-measuring spoon or medicine cup. If you do not have a dose-measuring device, ask your pharmacist for one.
Do not crush, break, or open an extended-release pill. Swallow it whole to avoid exposure to a potentially fatal dose.
If you need surgery, tell the surgeon ahead of time that you are using this medicine. You may need to stop using the medicine for a short time.
Do not stop using this medicine suddenly after long-term use, or you could have unpleasant withdrawal symptoms. Ask your doctor how to safely stop using acetaminophen and oxycodone.
Store at room temperature away from moisture and heat. Keep the medicine in a place where others cannot get to it.
Keep track of the amount of medicine used from each new bottle. Oxycodone is a drug of abuse and you should be aware if anyone is using your medicine improperly or without a prescription.
Do not keep leftover acetaminophen and oxycodone pills or liquid. Ask your pharmacist where to locate a drug take-back disposal program. If there is no take-back program, flush any unused pills or liquid medicine down the toilet.
Never crush or break an acetaminophen and oxycodone pill to inhale the powder or mix it into a liquid to inject the drug into your vein. This practice has resulted in death with the misuse of oxycodone and similar prescription drugs.
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 scheduled dose. Do not use extra medicine to make up the missed dose.
What happens if I overdose?
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222. An overdose can be fatal, especially in a child or other person using this medicine without a prescription.
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 symptoms may also include slow breathing and heart rate, severe drowsiness, muscle weakness, cold and clammy skin, pinpoint pupils, and fainting.
What should I avoid while taking Narvox (acetaminophen and oxycodone)?
Do not drink alcohol. Dangerous side effects or death can occur when alcohol is combined with acetaminophen and oxycodone. Check your food and medicine labels to be sure these products do not contain alcohol.
This medicine may impair your thinking or reactions. Avoid driving or operating machinery until you know how this medicine will affect you. Dizziness or severe drowsiness can cause falls or other accidents.
Ask a doctor or pharmacist before using any other cold, allergy, pain, or sleep medication. Acetaminophen (sometimes abbreviated as APAP) is contained in many combination medicines. Taking certain products together can cause you to get too much acetaminophen which can lead to a fatal overdose. Check the label to see if a medicine contains acetaminophen or APAP.
Narvox (acetaminophen and oxycodone) side effects
Get emergency medical help if you have signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
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. If you have this type of reaction, you should never again take any medicine that contains acetaminophen.
Call your doctor at once if you have:
shallow breathing, slow heartbeat;
a light-headed feeling, like you might pass out;
confusion, unusual thoughts or behavior;
problems with urination; or
nausea, upper stomach pain, itching, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes).
This medicine is more likely to cause breathing problems in older adults and people who are severely ill, malnourished, or otherwise debilitated.
Common side effects include:
headache, drowsiness, tiredness;
nausea, vomiting, stomach pain, constipation;
blurred vision; or
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.
See also: Side effects (in more detail)
What other drugs will affect Narvox (acetaminophen and oxycodone)?
Taking this medicine with other drugs that make you sleepy or slow your breathing can cause dangerous or life-threatening side effects. Ask your doctor before taking acetaminophen and oxycodone with a sleeping pill, narcotic pain medicine, muscle relaxer, or medicine for anxiety, depression, or seizures.
Other drugs may interact with acetaminophen and oxycodone, including prescription and over-the-counter medicines, vitamins, and herbal products. Tell each of your health care providers about all medicines you use now and any medicine you start or stop using.
Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
Copyright 1996-2012 Cerner Multum, Inc. Version: 15.09. Revision Date: 2015-06-08, 7:56:21 AM.
More about Narvox (acetaminophen / oxycodone)
- Narvox Side Effects
- During Pregnancy
- Dosage Information
- Drug Interactions
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- Drug class: narcotic analgesic combinations