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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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Hypersensitivities01:30

Hypersensitivities

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Hypersensitivity, also known as a hypersensitivity reaction or allergic reaction, is a condition where the body's immune system reacts abnormally to a foreign substance. Such substances, that cause hypersensitivity are referred to as an allergen, could be something typically harmless to most people, like pollen or certain foods.
Types of Hypersensitivities
Hypersensitivity reactions are categorized into four types: Type 1, Type 2, Type 3, and Type 4. Each type has a distinct mechanism...
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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,...
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Pharmacokinetics in Pediatric Patients: Drug Metabolism01:24

Pharmacokinetics in Pediatric Patients: Drug Metabolism

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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...
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Pharmacokinetics in Pediatric Patients: Overview and Drug Absorption01:23

Pharmacokinetics in Pediatric Patients: Overview and Drug Absorption

272
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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Pharmacokinetics: Drug–Drug Interactions01:25

Pharmacokinetics: Drug–Drug Interactions

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Drug interactions occur when the pharmacological effect of one drug is altered by another substance, either enhancing or diminishing its activity. The drug whose activity is altered is known as the object drug, and the substance causing the alteration is called the agent drug or the precipitant. The net effects of these interactions are mostly undesirable, leading to decreased effectiveness or increased adverse effects. In rare cases, interactions can be beneficial, such as the enhanced...
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Related Experiment Video

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Basophil Activation Test for Investigation of IgE-Mediated Mechanisms in Drug Hypersensitivity
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Pediatric Drug Hypersensitivity.

Christine R F Rukasin1, Allison E Norton2, Ana Dioun Broyles3

  • 1Division of Allergy, Pulmonary and Critical Care, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, 37232, USA.

Current Allergy and Asthma Reports
|February 23, 2019
PubMed
Summary

This review covers pediatric drug hypersensitivity, focusing on new diagnostic and management strategies. It highlights safe approaches like oral challenges for beta-lactam reactions and optimized desensitization protocols.

Keywords:
DesensitizationDrug allergyDrug challengeDrug hypersensitivityMedication allergyPediatric

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Area of Science:

  • Pediatric Allergy and Immunology
  • Clinical Pharmacology

Background:

  • Pediatric drug hypersensitivity is a complex and evolving clinical area.
  • Accurate diagnosis is crucial for effective patient management.
  • Understanding reaction mechanisms guides classification and treatment decisions.

Purpose of the Study:

  • To provide an updated review of pediatric drug hypersensitivity.
  • To highlight advancements in diagnostic methods.
  • To discuss current management strategies, including challenges and desensitization.

Main Methods:

  • Review of current literature on pediatric drug hypersensitivity.
  • Discussion of diagnostic approaches including history, physical examination, and testing.
  • Analysis of management strategies such as oral challenges and desensitization.

Main Results:

  • Risk stratification may allow direct oral challenge for beta-lactam reactions, avoiding prior skin testing.
  • Unique considerations for pediatric drug challenges and desensitization are reviewed.
  • Optimized protocols using weight-based dosing and infusion rates enhance success.

Conclusions:

  • Accurate diagnosis of pediatric drug hypersensitivity is essential.
  • Understanding mechanisms and employing appropriate diagnostic testing informs management.
  • Tailored approaches like drug challenges and desensitization, with optimized protocols, significantly impact treatment outcomes.