Primlev Side Effects
Generic name: acetaminophen / oxycodone
Medically reviewed by Drugs.com. Last updated on Oct 17, 2023.
Note: This document contains side effect information about acetaminophen / oxycodone. Some dosage forms listed on this page may not apply to the brand name Primlev.
Applies to acetaminophen / oxycodone: oral solution, oral tablet.
Oral route (Tablet; Tablet, Extended Release)
Addiction, Abuse, and MisuseOxycodone/acetaminophen exposes patients and other users to the risks of opioid addiction, abuse, and misuse, which can lead to overdose and death. Assess each patient's risk prior to prescribing oxycodone/acetaminophen, and monitor all patients regularly for the development of these behaviors or conditions.Opioid Analgesic Risk Evaluation and Mitigation Strategy (REMS)To ensure that the benefits of opioid analgesics outweigh the risks of addiction, abuse and misuse, the Food and Drug Administration (FDA) has required a REMS for these products. Under the requirements of the REMS, drug companies with approved opioid analgesic products must make REMS-compliant education programs available to healthcare providers. Healthcare providers are strongly encouraged to: complete a REMS-compliant education program, counsel patients and/or their caregivers, with every prescription, on safe use, serious risks, storage, and disposal of these products, emphasize to patients and their caregivers the importance of reading the Medication Guide every time it is provided by their pharmacists, and consider other tools to improve patient, household, and community safety.Life-Threatening Respiratory DepressionSerious, life-threatening, or fatal respiratory depression may occur with use of oxycodone/acetaminophen. Monitor for respiratory depression, especially during initiation of oxycodone/acetaminophen or following a dose increase.Instruct patients to swallow oxycodone/acetaminophen ER tablets whole; crushing, chewing, or dissolving oxycodone/acetaminophen ER can cause rapid release and absorption of a potentially fatal dose of oxycodone Accidental IngestionAccidental ingestion of even one dose of oxycodone/acetaminophen, especially by children, can result in a fatal overdose of oxycodone.Neonatal Opioid Withdrawal SyndromeProlonged use of oxycodone/acetaminophen during pregnancy can result in neonatal opioid withdrawal syndrome, which may be life-threatening if not recognized and treated, and requires management according to protocols developed by neonatology experts. If opioid use is required for a prolonged period in a pregnant woman, advise the patient of the risk of neonatal opioid withdrawal syndrome and ensure that appropriate treatment will be available.Cytochrome P450 3A4 InteractionThe concomitant use of Oxycodone/acetaminophen with all cytochrome P450 3A4 inhibitors may result in an increase in oxycodone plasma concentrations, which could increase or prolong adverse reactions and may cause potentially fatal respiratory depression. In addition, discontinuation of a concomitantly used cytochrome P450 3A4 inducer may result in an increase in oxycodone plasma concentration. Monitor patients receiving Oxycodone/acetaminophen and any CYP3A4 inhibitor or inducer.HepatotoxicityAcetaminophen has been associated with cases of acute liver failure, at times resulting in liver transplant and death. Most of the cases of liver injury are associated with the use of acetaminophen at doses that exceed 4000 milligrams per day, and often involve more than one acetaminophen-containing product Risks from Concomitant Use with Benzodiazepines or Other CNS DepressantsReserve concomitant prescribing of oxycodone/acetaminophen and benzodiazepines or other CNS depressants for use in patients for whom alternative treatment options are inadequate. Limit dosages and durations to the minimum required. Follow patients for signs and symptoms of respiratory depression and sedation.
Serious side effects of Primlev
Along with its needed effects, acetaminophen / oxycodone may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
Check with your doctor immediately if any of the following side effects occur while taking acetaminophen / oxycodone:
- Black, tarry stools
- dark urine
- itching, skin rash
- light-colored stools
- loss of appetite
- stomach pain
- unpleasant breath odor
- unusual tiredness or weakness
- vomiting of blood
- yellow eyes or skin
- fever with or without chills
- general feeling of tiredness or weakness
- lower back or side pain
- painful or difficult urination
- sore throat
- sores, ulcers, or white spots on the lips or in the mouth
- unusual bleeding or bruising
Incidence not known
- Back, leg, or stomach pains
- bleeding gums
- blood in the urine or stools
- blue lips and fingernails
- blurred vision
- burning, crawling, itching, numbness, prickling, "pins and needles", or tingling feelings
- chest pain, discomfort, or tightness
- cloudy urine
- coughing that sometimes produces a pink frothy sputum
- darkening of the skin
- decreased awareness or responsiveness
- decreased frequency or amount of urine
- difficult, fast, noisy breathing
- difficulty in passing urine (dribbling)
- difficulty with swallowing
- dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position
- dry mouth
- extremely shallow or slow breathing
- fast or deep breathing
- fast, slow, irregular, pounding, or racing heartbeat
- feeling of warmth
- general body swelling
- hives or welts
- increased sweating
- increased thirst
- large, hive-like swelling on the face, eyelids, lips, tongue, throat, hands, legs, feet, or genitals
- mental depression
- muscle aches, tremors, or weakness
- pains in the stomach, side, or abdomen, possibly radiating to the back
- pale skin
- pinpoint red spots on the skin
- pounding in the ears
- puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
- rapid, deep or shallow breathing
- redness of the face, neck, arms, and occasionally, upper chest
- severe constipation
- severe sleepiness
- severe vomiting
- skin blisters
- stomach cramps
- sunken eyes
- swelling of the face, fingers, lower legs, or ankles
- trouble breathing
- weakness or heaviness of the legs
- weight gain
Get emergency help immediately if any of the following symptoms of overdose occur while taking acetaminophen / oxycodone:
Symptoms of overdose
- Bluish lips or skin
- change in consciousness
- cold, clammy skin
- extreme sleepiness
- general feeling of discomfort or illness
- loss of consciousness
- low blood pressure or pulse
- slow breathing
Other side effects of Primlev
Some side effects of acetaminophen / oxycodone may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects.
Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:
- Relaxed and calm feeling
Incidence not known
- bad, unusual or unpleasant (after) taste
- change in taste
- cold sweats
- constricted, pinpoint, or small pupils (black part of the eye)
- continuing ringing or buzzing or other unexplained noise in the ears
- cool, pale skin
- difficulty with moving
- disturbed color perception
- double vision
- excess air or gas in the stomach or bowels
- false or unusual sense of well-being
- flushed, dry skin
- fruit-like breath odor
- full feeling
- general feeling of discomfort or illness
- halos around lights
- hearing loss
- increased hunger
- increased urination
- joint pain
- lack or loss of strength
- muscle cramps, spasms, pain, or stiffness
- night blindness
- overbright appearance of lights
- seeing, hearing, or feeling things that are not there
- slurred speech
- swollen joints
- trouble sleeping
- tunnel vision
- unexplained weight loss
- unusual drowsiness, dullness, tiredness, weakness, or feeling of sluggishness
For Healthcare Professionals
Applies to acetaminophen / oxycodone: oral capsule, oral solution, oral tablet, oral tablet extended release.
The most commonly reported adverse events have included lightheadedness, dizziness, drowsiness, sedation, nausea, and vomiting.[Ref]
Common (1% to 10%): Cough
Frequency not reported: Apnea, respiratory arrest, respiratory depression, hiccups
Postmarketing reports: Transient elevations of hepatic enzymes, increased bilirubin, hepatic failure, jaundice, hepatotoxicity, hepatic disorder, hepatitis
Frequency not reported: Hepatic necrosis[Ref]
At high doses, the most serious acetaminophen related adverse event is a dose-dependent, potentially fatal hepatic necrosis.[Ref]
Frequency not reported: Skin eruptions, urticaria, erythematous skin reactions
Postmarketing reports: Anaphylaxis, allergic reaction, angioedema[Ref]
Common (1% to 10%): Rash, blister, excoriation, pruritus, erythema
Frequency not reported: Dermatitis, ecchymosis, hyperhidrosis
Postmarketing reports: Urticaria, flushing, increased sweating[Ref]
Very common (10% or more): Dizziness (up to 13%)
Common (1% to 10%): Headache, somnolence
Frequency not reported: Lightheadedness, dizziness, drowsiness, sedation, migraine, myoclonus, paresthesia, tremor
Postmarketing reports: Stupor, cerebral edema, coma, subdural or intracranial hemorrhage, seizures
Postmarketing reports: Serotonin syndrome[Ref]
Frequency not reported: Euphoria, dysphoria, insomnia, altered mood, sleep disorder, withdrawal syndrome
Postmarketing reports: Agitation, confusion, anxiety, mental impairment, drug dependence, drug abuse, depression, nervousness, hallucination, suicide[Ref]
Very common (10% or more): Nausea (up to 31%)
Common (1% to 10%): Vomiting, constipation, dry mouth, dyspepsia, diarrhea
Frequency not reported: Esophageal spasm, oropharyngeal pain, throat irritation
Postmarketing reports: Renal insufficiency and failure[Ref]
Common (1% to 10%): Edema
Frequency not reported: Hypotension, chest discomfort
Frequency not reported: Decreased appetite
Postmarketing reports: Rhabdomyolysis, myalgia
Postmarketing reports: Miosis, visual disturbances, red eye
Common (1% to 10%): Dysuria
Frequency not reported: Urinary retention, interstitial nephritis, proteinuria, decreased urine flow
Postmarketing reports: Malaise, asthenia, fatigue, fever, hypothermia, accidental overdose, non-accidental overdose, hearing loss, tinnitus[Ref]
Adrenal insufficiency and androgen deficiency have been reported with opioid use, most often with chronic use.
Postmarketing reports: Adrenal insufficiency, androgen deficiency
More about Primlev (acetaminophen / oxycodone)
- Check interactions
- Compare alternatives
- Reviews (3)
- Drug images
- Latest FDA alerts (5)
- Dosage information
- During pregnancy
- Drug class: narcotic analgesic combinations
Related treatment guides
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Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
Some side effects may not be reported. You may report them to the FDA.