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Related Concept Videos

Drug Dosing: Geriatric Patients01:15

Drug Dosing: Geriatric Patients

368
Elderly individuals encompass a diverse population with varying degrees of age-related physiological changes. Defining the elderly presents challenges, as the geriatric population is often arbitrarily categorized as individuals older than 65. However, many individuals in this group lead active and healthy lives, with an increasing number surpassing 85 years and falling into the older elderly category. Physiological changes associated with aging impact performance capacity and homeostatic...
368
Pharmacodynamics in Geriatric Patients: Effects of Age01:27

Pharmacodynamics in Geriatric Patients: Effects of Age

339
Age-related pharmacokinetic changes are extensively documented, but understanding age-related pharmacodynamic alterations is relatively limited. This knowledge gap can be partly attributed to the complexity of developing appropriate measures of drug responses compared to bioanalytical methods for determining drug concentrations.Most information regarding age-related differences in human pharmacodynamics originates from cross-sectional studies. However, these studies assume that observed mean...
339
Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Absorption01:22

Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Absorption

817
As individuals age, their body's physiology evolves, affecting drug pharmacokinetics. The most apparent changes occur in the gastrointestinal tract, where an increase in gastric pH, a delay in gastric emptying, and a reduction in gastrointestinal motility are observed. Remarkably, these changes do not substantially modify the absorption of orally administered drugs, particularly those absorbed via passive diffusion.Transdermal drug delivery emerges as a highly viable method for older adults due...
817
Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Distribution01:00

Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Distribution

352
Drug distribution in the human body is influenced by several factors, including plasma protein concentration, body composition, blood flow, tissue-protein concentration, and tissue fluid pH. Among these, changes in plasma protein concentration and body composition due to aging significantly affect how drugs are distributed within the body. Specifically, aging is associated with a decrease in albumin levels by about 10% and an increase in α1-acid glycoprotein levels. These alterations are...
352
Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Metabolism01:18

Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Metabolism

354
Geriatric patients show significant variation in how their bodies process medications, which can change how effective and safe treatments are. The liver is the primary organ where drug metabolism occurs, involving two main types of chemical reactions: phase I and II. Phase I metabolism is driven by the cytochrome P450 enzyme system, which includes key types such as CYP3A, CYP2D6, and CYP2C9. Research indicates that while aging doesn't notably alter the levels or activity of these enzymes, it...
354
Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Excretion01:18

Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Excretion

329
In geriatric patients, renal physiology undergoes significant changes, including diminished renal blood flow and a lower glomerular filtration rate (GFR), leading to alterations in medication clearance. Drugs such as aminoglycoside antibiotics, lithium, and digoxin, which rely on glomerular filtration for removal from the body, particularly impact pharmacokinetics. These drugs tend to have slower clearance rates in older adults, necessitating careful dosage considerations.Evaluation of renal...
329

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Related Experiment Video

Updated: Apr 14, 2026

3D-Neuronavigation In Vivo Through a Patient's Brain During a Spontaneous Migraine Headache
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Headaches of the elderly.

Thomas P Bravo1

  • 1Department of Neurology, Mayo Clinic, 5777 East Mayo Boulevard, Phoenix, AZ, 85054, USA, Bravo.Thomas@Mayo.edu.

Current Neurology and Neuroscience Reports
|April 21, 2015
PubMed
Summary
This summary is machine-generated.

Headaches in older adults present unique challenges, with secondary headaches becoming more common. This review covers common, concerning, and rare primary headache disorders in the elderly.

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Last Updated: Apr 14, 2026

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Area of Science:

  • Neurology
  • Geriatrics

Background:

  • Headache prevalence declines in elderly individuals, but it remains a significant health concern.
  • Older adults present unique diagnostic and therapeutic considerations for headache management.

Purpose of the Study:

  • To provide an updated overview of headache disorders in the elderly population.
  • To highlight common, concerning, and unique headache presentations in older adults.

Main Methods:

  • This is a review article.
  • Literature search on headache disorders in elderly populations.
  • Synthesis of current knowledge on epidemiology, diagnosis, and treatment.

Main Results:

  • Primary headache disorders like migraine and tension-type headache persist in the elderly.
  • Secondary headaches are more prevalent with increasing age.
  • Rare primary headaches (e.g., hypnic headache, primary cough headache) are more frequent in older adults and require specific treatments.

Conclusions:

  • Headache in the elderly requires careful evaluation due to the increased likelihood of secondary causes.
  • Awareness of less common primary headache disorders is crucial for accurate diagnosis and management in this demographic.
  • Tailored therapeutic strategies are essential for effectively managing diverse headache types in older individuals.