[:en]Management of neurotoxic side effects of opioids[:ro]Managementul efectelor secundare neurotoxice date de opioide[:]

[:en]Iliuț Maria, MD, PhD, family medicine, occupational medicine, SC MISAN MED SRL, Sibiu, Romania

Address for correspondence: e-mail: misanmed@yahoo.com


Patients with an advanced disease experience pain in 70-90% of the cases and 25-30% experience severe pain that requires treatment with opioids.

Opioid-induced neurotoxicity (OIN) is a multifactorial syndrome with a spectrum of symptoms: severe sedation, tremor, confusion, hallucinations, myoclonus, delirium, seizures and hyperalgesia.

NMDARs activation is responsible for neurotoxicity and research suggests that it is possible that the same cellular process to determine resistant opioid neurotoxic changes during the prolonged administration of opioids.

The precipitating factors are: dehydration syndrome, IRA, old age and use of psychoactive medication.

OIN is dependent on dose and duration of therapy. Opioids should not be interrupted, if they are required for dyspnoea and pain.

OIN treatment options include reducing opioid or opioid rotation, hydration, and co-medication.

Key words: pain, neurotoxicity, opioids, opioid rotation, opioid-induced neurotoxicity

(Full text in Romanian)

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