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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

Rhinorrhea, chronic bronchitis, dyspnea, and dysphonia were reported in less than 2% of patients.[Ref]

Gastrointestinal

Dyspepsia was reported in less than 2% of patients.[Ref]

Hypersensitivity

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

Tachycardia, palpitations, bradycardia, chest pain, and increased blood pressure were reported in less than 2% of patients.[Ref]

Psychiatric

Irritability, abnormal dreams, confusional state, disorientation, decreased libido, and drug abuse were reported in less than 2% of patients.[Ref]

Nervous system

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

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

Anemia and lymphadenopathy were reported in less than 2% of patients.[Ref]

Hepatic

Abnormal liver function test was reported in less than 2% of patients.[Ref]

Metabolic

Decreased appetite and gout were reported in less than 2% of patients.[Ref]

Musculoskeletal

Myalgia, muscle twitching, musculoskeletal stiffness, and arthritis were reported in less than 2% of patients.[Ref]

Ocular

Increased lacrimation was reported in less than 2% of patients.[Ref]

Other

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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Other brands

Troxyca ER

Professional resources

Other brands

Troxyca ER

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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.