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Related Concept Videos

Pharmacokinetics in Pediatric Patients: Drug Excretion01:26

Pharmacokinetics in Pediatric Patients: Drug Excretion

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In pediatric medicine, understanding the renal function and drug elimination nuances is crucial for administering safe and effective treatments. Newborns, in particular, display markedly slower renal functions than adults, profoundly affecting how drugs are cleared from their bodies. This slower drug clearance requires clinicians to extend the dosing intervals for many medications to prevent drug accumulation and toxicity while ensuring therapeutic efficacy.One key area where these adjustments...
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Drug Dosing: Infants and Children01:29

Drug Dosing: Infants and Children

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Pediatric patient dosages diverge from adults due to disparities in body surface area, total body water, and extracellular fluid per kilogram of body weight. The dosing regimen considers the variations in pharmacokinetics and pharmacology across distinct age groups, encompassing preterm newborns, infants, young children, older children, and adolescents. Calculation of pediatric patient doses is predicated on determining body surface area, which exhibits a superior correlation with the child's...
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Pharmacokinetics in Pediatric Patients: Drug Distribution01:17

Pharmacokinetics in Pediatric Patients: Drug Distribution

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Drug distribution in the pediatric population exhibits unique challenges and considerations due to the physiological differences between children, particularly neonates and infants, and adults. A crucial aspect of pediatric pharmacology is understanding how these differences impact the pharmacokinetics of various drugs, necessitating age-specific dosing strategies to ensure efficacy and safety.Neonates and infants have a higher total body water content, ~75%–90% of their body weight,...
247
Pharmacokinetics in Pediatric Patients: Drug Metabolism01:24

Pharmacokinetics in Pediatric Patients: Drug Metabolism

179
In pediatric care, understanding the nuances of hepatic drug metabolism is crucial, as it significantly differs from that of adults. This divergence is primarily due to the developmental stage of drug-metabolizing enzymes, which affects how medications are processed in the body. In neonates, for instance, the activity of Phase I enzymes—critical for the initial breakdown of drugs—is markedly reduced, functioning at just 20–40% of the levels seen in adults. This reduction poses...
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Pharmacokinetics in Pediatric Patients: Overview and Drug Absorption01:23

Pharmacokinetics in Pediatric Patients: Overview and Drug Absorption

232
Understanding the physiological differences in the pediatric population is crucial for effective pharmacotherapy. Neonates, infants, and children exhibit significant variations in gastric pH, gastric emptying time, intestinal transit time, and biliary function. These variations profoundly affect oral drug absorption, necessitating a nuanced approach to pediatric dosing.Neonates present with a unique physiological profile, having a gastric pH greater than 4 and faster and more irregular gastric...
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Factors Affecting Drug Response: Overview01:21

Factors Affecting Drug Response: Overview

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When it comes to infants and young children, they are typically administered smaller doses of medication in comparison to adults. This is primarily because their organ functions still need to fully develop, meaning their bodies are not as efficient at metabolizing or eliminating drugs. Additionally, their blood-brain barrier is more permeable than in adults. As a result, high concentrations of drugs can easily penetrate the central nervous system (CNS), potentially leading to neurological...
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Assessment and Evaluation of the High Risk Neonate: The NICU Network Neurobehavioral Scale
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Pediatric Clonidine Toxicity: A Review.

Raizada A Vaid1,2, Shayan Shakeri1, Gregory P Conners1,3

  • 13rd year Emergency Medicine Resident, Department of Emergency Medicine, Division of Pediatric Emergency Medicine, SUNY Upstate Medical University.

Pediatric Emergency Care
|November 26, 2025
PubMed
Summary
This summary is machine-generated.

Pediatric clonidine toxicity, often from accidental ingestion in young children, mimics opioid overdose. Supportive care is key, but high-dose naloxone may reverse central nervous system depression in severe cases.

Keywords:
alpha-2 agonistclonidine toxicitynaloxonepediatric emergency medicinetoxicology

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Area of Science:

  • Pediatric Toxicology
  • Pharmacology
  • Emergency Medicine

Background:

  • Clonidine prescriptions are rising in children for behavioral issues like ADHD.
  • This trend leads to increased pediatric exposures and toxic ingestions.
  • Young children (<5 years) are most affected, often via unintentional ingestion.

Purpose of the Study:

  • To review the toxicokinetics, clinical presentation, and management of pediatric clonidine toxicity.
  • To provide clinicians with guidance for diagnosing and treating clonidine overdose in children.
  • To highlight the importance of early recognition and intervention.

Main Methods:

  • Literature review of toxicokinetics, clinical presentation, and management strategies.
  • Analysis of common symptoms and diagnostic approaches.
  • Evaluation of treatment options, including supportive care and naloxone.

Main Results:

  • Clonidine toxicity presents as an opioid toxidrome with CNS depression, miosis, bradycardia, and hypotension.
  • Diagnosis is typically clinical.
  • Supportive care is the mainstay of treatment; high-dose naloxone may be needed for severe CNS depression.

Conclusions:

  • Clonidine toxicity in children requires prompt recognition and management.
  • Supportive care is crucial, and naloxone should be considered for severe symptoms.
  • Delayed and prolonged toxicity, especially from transdermal patches, necessitates vigilant monitoring.