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Related Experiment Videos

Potential interactions between exercise and drug therapy.

Thomas L Lenz1, Nancy J Lenz, Michele A Faulkner

  • 1Department of Pharmacy Practice, School of Pharmacy and Health Professions, Creighton University Medical Center, Omaha, Nebraska 68178, USA. tlenz@creighton.edu

Sports Medicine (Auckland, N.Z.)
|April 27, 2004
PubMed
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Aerobic exercise can change how the body processes certain medications, affecting drug levels. Clinicians should consider these exercise-drug interactions, especially for drugs with narrow therapeutic ranges.

Area of Science:

  • Pharmacology
  • Exercise Physiology
  • Clinical Pharmacy

Background:

  • Physiological adaptations from aerobic exercise can impact drug pharmacokinetics.
  • Understanding these changes is crucial for managing patients on medication who exercise.

Purpose of the Study:

  • To systematically review pharmacokinetic alterations of commonly used drugs due to aerobic exercise.
  • To identify specific drugs whose serum concentrations or effects are modified by exercise.

Main Methods:

  • Systematic review of existing literature.
  • Analysis of pharmacokinetic data for eleven commonly prescribed drugs in exercising individuals.

Main Results:

  • Increased serum concentrations observed for atenolol, propranolol, and doxycycline with exercise.

Related Experiment Videos

  • No significant pharmacokinetic changes noted for carvedilol or verapamil.
  • Decreased serum concentration and increased muscle concentration of digoxin.
  • Decreased theophylline clearance and increased plasma half-life.
  • Potential increased risk of hypoglycemia with insulin and exercise.
  • Decreased international normalized ratio (INR) with increased physical activity in warfarin users.

    • Conclusions:

    • Aerobic exercise demonstrably alters the pharmacokinetics of several drugs.
    • Further research is needed to establish clinical relevance and definitive conclusions.
    • Healthcare providers must be aware of potential exercise-drug interactions, particularly for narrow therapeutic index drugs.