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Published in: Forensic Toxicology 2/2021

Open Access 01-07-2021 | Naloxone | Review Article

A review on tramadol toxicity: mechanism of action, clinical presentation, and treatment

Authors: Samaneh Nakhaee, Christopher Hoyte, Richard C. Dart, Masoumeh Askari, Roland J. Lamarine, Omid Mehrpour

Published in: Forensic Toxicology | Issue 2/2021

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Abstract

Aims

As an analgesic that acts upon the central nervous system (CNS), tramadol has gained popularity in treating moderate to severe pain. Recently, it has been increasingly reported as a drug of misuse with intentional overdoses or intoxications. This review focuses on tramadol intoxication in humans and its effects on different systems.

Subject and method

This narrative review provides a comprehensive view of the pharmacokinetics, mechanism of action, and incidence of tramadol toxicity with an in-depth look at its side effects. In addition, the main approaches to the management of tramadol poisoning are described.

Results

Tramadol poisoning can affect multiple organ systems: gastrointestinal, central nervous system (seizure, CNS depression, low-grade coma, anxiety, and over time anoxic brain damage), cardiovascular system (palpitation, mild hypertension to life-threatening complications such as cardiopulmonary arrest), respiratory system, renal system (renal failure with higher doses of tramadol intoxication), musculoskeletal system (rhabdomyolysis), endocrine system (hypoglycemia), as well as, cause serotonin syndrome. Seizure, a serious nervous disturbance, is more common in tramadol intoxication than with other opioids. Fatal tramadol intoxications are uncommon, except in ingestion cases concurrent with other medications, particularly CNS depressants, most commonly benzodiazepines, and ethanol.

Conclusion

With the increasing popularity of tramadol, physicians must be aware of its adverse effects, substantial abuse potential, and drug interactions, to weigh its risk–benefit ratio for pain management. Alternative therapies might be considered in patients with a previous overdose history to reduce risks for adverse outcomes.
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Metadata
Title
A review on tramadol toxicity: mechanism of action, clinical presentation, and treatment
Authors
Samaneh Nakhaee
Christopher Hoyte
Richard C. Dart
Masoumeh Askari
Roland J. Lamarine
Omid Mehrpour
Publication date
01-07-2021
Publisher
Springer Singapore
Published in
Forensic Toxicology / Issue 2/2021
Print ISSN: 1860-8965
Electronic ISSN: 1860-8973
DOI
https://doi.org/10.1007/s11419-020-00569-0

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