Related Experiment Video
Updated: Jun 22, 2026
09:16
A General Method for Evaluating Deep Brain Stimulation Effects on Intravenous Methamphetamine Self-Administration
Published on: January 22, 2016
[Methadone treatment and its dangers]
Dagmara Reingardiene1, Liucija Jodziūniene, Robertas Lazauskas
1Department of Intensive Care, Kaunas University of Medicine, Kaunas, Lithuania. minde@elen.ktu.lt
Medicina (Kaunas, Lithuania)
|June 19, 2009
Summary
Methadone, a synthetic opioid for pain and addiction treatment, is increasingly associated with overdose deaths. This review covers methadone
Area of Science:
- Pharmacology
- Toxicology
- Addiction Medicine
Background:
- Methadone is a long-acting synthetic opioid used for pain and heroin dependence treatment.
- It effectively reduces heroin-related morbidity and mortality.
- Increased availability has led to a rise in methadone overdose cases.
Purpose of the Study:
- To review the pharmacokinetic and pharmacodynamic properties of methadone.
- To discuss clinical symptoms, dosage issues, and detection methods for methadone overdose.
- To examine treatment strategies and causes of methadone overdose fatalities.
Main Methods:
- Literature review of pharmacokinetic and pharmacodynamic properties.
- Analysis of clinical overdose symptoms and dosage problems.
- Review of detection methods in biological samples.
- Examination of treatment protocols and causes of death.
Main Results:
- Methadone's high affinity for m-opioid receptors underlies its efficacy and overdose risk.
- Overdose symptoms, dosage errors, and withdrawal are significant clinical concerns.
- Accurate detection in biological samples is crucial for diagnosis and treatment.
- Understanding overdose causes is vital for prevention and mortality reduction.
Conclusions:
- Methadone is effective but poses significant overdose risks.
- Comprehensive understanding of its properties, overdose manifestations, and management is critical.
- Addressing dosage issues and improving detection are key to mitigating harm.
Related Concept Videos
01:15Opioid Analgesics: Synthetic and Semisynthetic Opioids
Synthetic and semisynthetic opioids are pivotal in pain management and tackling opioid addiction. Semisynthetic opioids, including morphinans (morphine derivatives), oxycodone, oxymorphone, hydrocodone, and hydromorphone, have improved pharmacokinetic profiles compared to morphine. Additionally, heroin and 6-MAM (6-Monoacetylmorphine) show better CNS penetration than morphine due to heightened lipid solubility. Hydromorphone, a potent opioid, undergoes hepatic metabolism to form the active...
01:26Pharmaceutical Poisoning: Treatment Strategies
Treatment strategies for poisoning are a critical aspect of emergency medicine, focusing on preventing the absorption of toxins and enhancing their elimination. When a poisoning incident occurs, the first response is to halt exposure and decontaminate the patient, particularly through gastrointestinal (GI) methods if the poison was ingested.Gastrointestinal Decontamination Techniques:Activated charcoal is the cornerstone of GI decontamination. It works through adsorption, binding the toxin to...
01:25Analgesia and Pain Management
Pain is critical to various clinical pathologies, provoking an urgent need for effective management. Pain, whether acute or chronic, is a complex neurochemical process. Its alleviation depends on the type, with nonopioid analgesics effective for mild to moderate pain, such as musculoskeletal or inflammatory pain, while neuropathic pain responds best to anticonvulsants, tricyclic antidepressants, or serotonin/norepinephrine reuptake inhibitors. For severe acute or chronic pain, opioids may be...
01:20Opioid Analgesics: Morphine and Other Natural Cogeners
Opioids are a class of drugs that mimic endogenous opioid peptides and act on opioid receptors, and help in pain relief. These compounds are classified as natural, synthetic, or semi-synthetic. Natural opioids, like morphine, codeine, and thebaine, are derived from the opium poppy plant (Papaver somniferum or Papaver album) and are termed opiates. Synthetic opioids are artificial, while semi-synthetic opioids combine natural and synthetic compounds. Morphine, a prototypical opioid, possesses a...
01:15Drug Abuse and Addiction: Pharmacological Phenomena
Drug dependence, abuse, and addiction are complex phenomena that can precipitate various abnormal states. Physical dependence refers to a state of pharmacological adaptation to a drug. This adaptation often results in tolerance—a reduced response to the drug after repeated administrations. When the drug use is abruptly stopped, withdrawal symptoms occur due to the body's need to readjust from the pharmacologically induced imbalance. However, tolerance and withdrawal symptoms do not necessarily...
01:17Drug Dependence
Medications are typically administered to achieve therapeutic effects. Some drugs can modify an individual's mood and perception, frequently resulting in various enjoyable experiences. However, this can result in drug dependency, a condition marked by continuous drug use despite potential negative consequences. Drug dependency primarily falls into two categories: psychological and physical dependence. Psychological dependence occurs when the pleasurable feelings induced by the drug...