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Pharmacokinetics in Pediatric Patients: Overview and Drug Absorption01:23

Pharmacokinetics in Pediatric Patients: Overview and Drug Absorption

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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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 a challenge in...
Pharmacokinetics in Pediatric Patients: Drug Distribution01:17

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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, compared...
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Conduct disorder is a complex mental health diagnosis characterized by a repetitive and persistent pattern of behavior that violates societal norms, the rights of others, or age-appropriate rules. The diagnostic criteria for conduct disorder require the presence of at least three problematic behaviors within the past 12 months, with at least one occurring in the past six months. These behaviors are grouped into four categories: aggression toward people and animals; destruction of property;...
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Related Experiment Video

Updated: Jun 15, 2026

Event Related Potentials (ERPs) and other EEG Based Methods for Extracting Biomarkers of Brain Dysfunction: Examples from Pediatric Attention Deficit/Hyperactivity Disorder (ADHD)
10:02

Event Related Potentials (ERPs) and other EEG Based Methods for Extracting Biomarkers of Brain Dysfunction: Examples from Pediatric Attention Deficit/Hyperactivity Disorder (ADHD)

Published on: March 12, 2020

Hyperprolactinemia: different clinical expression in childhood.

L Saranac1, S Zivanovic, Z Radovanovic

  • 1Pediatric Clinic, University Clinical Center, Nis, Serbia. endoljilja @ yahoo.com

Hormone Research in Paediatrics
|March 4, 2010
PubMed
Summary
This summary is machine-generated.

Hyperprolactinemia in children presents with diverse symptoms like growth issues and obesity. Early prolactin level testing is crucial for diagnosis and effective treatment.

Related Experiment Videos

Last Updated: Jun 15, 2026

Event Related Potentials (ERPs) and other EEG Based Methods for Extracting Biomarkers of Brain Dysfunction: Examples from Pediatric Attention Deficit/Hyperactivity Disorder (ADHD)
10:02

Event Related Potentials (ERPs) and other EEG Based Methods for Extracting Biomarkers of Brain Dysfunction: Examples from Pediatric Attention Deficit/Hyperactivity Disorder (ADHD)

Published on: March 12, 2020

Area of Science:

  • Pediatric Endocrinology
  • Neuroendocrinology

Background:

  • Hyperprolactinemia is a common pituitary secretion disorder.
  • Prolactin's diverse actions lead to varied clinical presentations.

Purpose of the Study:

  • To investigate the causes and clinical manifestations of hyperprolactinemia in children and adolescents.
  • To highlight the importance of prolactin level determination in pediatric endocrine evaluations.

Main Methods:

  • Study included 11 children and adolescents (1.5-17.5 years).
  • Exclusion criteria: primary hypothyroidism, iatrogenic hyperprolactinemia, polycystic ovaries.
  • Pituitary MRI and prolactin profiling were performed.

Main Results:

  • Common presentations included short stature, obesity, delayed puberty, amenorrhea, premature thelarche, gynecomastia, and hypogonadism.
  • Elevated prolactin levels (mean 2,553 mU/l) were observed in all patients.
  • MRI revealed microprolactinomas, a hypophyseal cyst, and a hypothalamic tumor.

Conclusions:

  • Hyperprolactinemic children exhibit a wide range of initial clinical signs.
  • Growth, puberty disorders, and obesity are the most frequent manifestations.
  • Prolactin level assessment is recommended for obese and short-stature children.