Naltrexone / Oxycodone Side Effects
Medically reviewed by Drugs.com. Last updated on Aug 17, 2024.
Applies to naltrexone / oxycodone: oral capsule extended release.
General adverse events
The most frequently reported adverse effects have included nausea, constipation, vomiting, headache, and somnolence.[Ref]
Respiratory
- Common (1% to 10%): Oropharyngeal pain, cough
- Frequency not reported: Rhinorrhea, chronic bronchitis, dyspnea, dysphonia[Ref]
Rhinorrhea, chronic bronchitis, dyspnea, and dysphonia were reported in less than 2% of patients.[Ref]
Gastrointestinal
- Very common (10% or more): Nausea (up to 20.5%), constipation (up to 14.9%)
- Common (1% to 10%): Abdominal pain, diarrhea, dry mouth, nausea
- Frequency not reported: Dyspepsia[Ref]
Dyspepsia was reported in less than 2% of patients.[Ref]
Hypersensitivity
- Frequency not reported: Drug hypersensitivity
- Postmarketing reports: Anaphylaxis, pharyngeal edema[Ref]
Drug hypersensitivity was reported in less than 2% of patients. Anaphylaxis and pharyngeal edema have been reported with ingredients contained in this drug.[Ref]
Cardiovascular
- Common (1% to 10%): Peripheral edema
- Frequency not reported: Tachycardia, palpitations, bradycardia, chest pain, increased blood pressure
- Postmarketing reports: Myocardial ischemia, ventricular fibrillation (with oxycodone overdose)[Ref]
Tachycardia, palpitations, bradycardia, chest pain, and increased blood pressure were reported in less than 2% of patients.[Ref]
Psychiatric
- Common (1% to 10%): Insomnia, depression, restlessness
- Frequency not reported: Irritability, abnormal dreams, confusional state, disorientation, decreased libido, drug abuse[Ref]
Irritability, abnormal dreams, confusional state, disorientation, decreased libido, and drug abuse were reported in less than 2% of patients.[Ref]
Nervous system
- Common (1% to 10%): Dizziness, headache, hypoesthesia, somnolence, tremor
- Postmarketing reports: Serotonin syndrome[Ref]
Postmarketing reports of serotonin syndrome have been received among patients with concomitant use of opioids and serotonergic drugs.[Ref]
Dermatologic
Rash and urticaria were reported in less than 2% of patients.[Ref]
Endocrine
- Frequency not reported: Decreased blood testosterone
- Postmarketing reports: Adrenal insufficiency, androgen deficiency[Ref]
Decreased blood testosterone was reported in less than 2% of patients.[Ref]
Genitourinary
Dysuria and hematuria were reported in less than 2% of patients.[Ref]
Hematologic
- Frequency not reported: Anemia, lymphadenopathy[Ref]
Anemia and lymphadenopathy were reported in less than 2% of patients.[Ref]
Hepatic
- Frequency not reported: Abnormal liver function test[Ref]
Abnormal liver function test was reported in less than 2% of patients.[Ref]
Metabolic
- Frequency not reported: Decreased appetite, gout[Ref]
Decreased appetite and gout were reported in less than 2% of patients.[Ref]
Musculoskeletal
- Common (1% to 10%): Back pain, arthralgia, muscle spasms
- Frequency not reported: Myalgia, muscle twitching, musculoskeletal stiffness, arthritis[Ref]
Myalgia, muscle twitching, musculoskeletal stiffness, and arthritis were reported in less than 2% of patients.[Ref]
Ocular
- Frequency not reported: Increased lacrimation[Ref]
Increased lacrimation was reported in less than 2% of patients.[Ref]
Other
- Common (1% to 10%): Drug withdrawal syndrome, fatigue, hot flush
- Frequency not reported: Vertigo, tinnitus, chills, pain, influenza like illness, pyrexia, malaise, intentional surgical and medical procedure misuse[Ref]
Vertigo, tinnitus, chills, pain, influenza like illness, pyrexia, malaise, and intentional surgical/medical procedure misuse were reported in less than 2% of patients.[Ref]
References
1. (2016) "Product Information. Troxyca ER (naltrexone-oxycodone)." Pfizer U.S. Pharmaceuticals Group
More about naltrexone / oxycodone
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- Drug class: narcotic analgesic combinations
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Further information
Naltrexone/oxycodone side effects can vary depending on the individual. Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
Note: Medication side effects may be underreported. If you are experiencing side effects that are not listed, submit a report to the FDA by following this guide.