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Related Experiment Videos

Multiple medication: problems of the elderly patient.

V M Oh1

  • 1Department of Medicine, National University Hospital, Republic of Singapore.

International Dental Journal
|December 1, 1991
PubMed
Summary

Elderly patients often face unpredictable drug responses and adverse reactions due to multiple medications and physiological changes. Careful drug selection, dose adjustment, and regular review are crucial for safe and effective geriatric pharmacotherapy.

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Area of Science:

  • Geriatric Medicine
  • Clinical Pharmacology
  • Pharmacotherapy

Background:

  • Elderly individuals frequently manage multiple chronic conditions, leading to polypharmacy.
  • Physiological changes in aging (liver, kidney, brain function) alter drug metabolism and response.
  • Self-medication with prescription and over-the-counter drugs complicates geriatric pharmacotherapy.

Purpose of the Study:

  • To highlight the unique challenges in prescribing medications for elderly patients.
  • To emphasize the increased risk of adverse drug reactions (ADRs) and drug interactions in this population.
  • To provide guidance on optimizing drug therapy for older adults.

Main Methods:

  • Review of physiological changes affecting drug disposition in the elderly.
  • Analysis of common drug classes associated with increased risk in older adults.
  • Discussion of strategies for safe prescribing and medication management in geriatrics.

Main Results:

  • Elderly patients exhibit unpredictable responses to various drug classes, including antibiotics, anticoagulants, antiarrhythmics, benzodiazepines, and opioids.
  • Adverse drug reactions are often severe and rapid in onset.
  • Anesthetic agents can pose significant risks to the elderly central nervous system and liver.

Conclusions:

  • Prescribers must exercise extreme caution with medication choices and dosages in patients over 65-70 years.
  • Prioritize drugs with broad therapeutic ratios and specific actions; avoid those with narrow therapeutic indices.
  • Regular patient monitoring and frequent review of medication necessity are essential to minimize risks and maximize benefits.

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