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[Patients' knowledge about their own medication--does verbal information help? A blind, randomized study].

P S Clementsen1, K S Kristensen, M Kamp-Jensen

  • 1Medicinsk afdeling P, Bispebjerg Hospital, København.

Ugeskrift for Laeger
|August 10, 1992
PubMed
Summary
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Patient medication knowledge is often poor, especially regarding dosage and side effects. Extended verbal information significantly improved patient understanding of medication side effects, suggesting a way to enhance adherence.

Area of Science:

  • Pharmacology
  • Patient Education
  • Health Literacy

Background:

  • Insufficient patient knowledge regarding medications is a potential contributor to noncompliance.
  • Studies indicate poor understanding of drug dosage and adverse effects among outpatients.
  • Factors such as advanced age and polypharmacy are associated with diminished medication knowledge.

Purpose of the Study:

  • To assess patient knowledge of their medications in outpatient settings.
  • To evaluate the impact of extended verbal information on patient medication knowledge.
  • To identify factors influencing patient understanding of prescribed treatments.

Main Methods:

  • Interviews were conducted with patients from two outpatient clinics (n=65 and n=86).
  • A randomized controlled trial was implemented within a hospital outpatient clinic, comparing extended verbal information (30 minutes) to standard information.

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  • Patient knowledge was reassessed eight weeks after the intervention.

    • Main Results:

    • Both patient groups exhibited poor knowledge of drug dosage and adverse effects.
    • Extended verbal information led to general improvements in medication knowledge compared to the control group.
    • A statistically significant improvement was observed specifically in knowledge of medication side effects.

    Conclusions:

    • Outpatients frequently demonstrate inadequate knowledge about their prescribed medications.
    • Providing extended verbal information is an effective strategy to enhance patient understanding of medication, particularly side effects.
    • Improving patient medication knowledge may be a key factor in enhancing treatment adherence.