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Drug interactions with quinolones.

B I Davies1, F P Maesen

  • 1Department of Medical Microbiology, De Wever Ziekenhuis, Heerlen, The Netherlands.

Reviews of Infectious Diseases
|July 1, 1989
PubMed
Summary
This summary is machine-generated.

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New 4-quinolone antimicrobials can cause significant drug interactions. These antibiotics may inhibit drug metabolism and reduce the absorption of other medications, potentially leading to adverse effects.

Area of Science:

  • Pharmacology
  • Microbiology

Background:

  • 4-quinolone antimicrobials are increasingly prescribed.
  • Established drug interactions with these agents necessitate careful consideration.

Purpose of the Study:

  • To review and summarize known drug interactions involving 4-quinolone antimicrobials.
  • To highlight the clinical significance of these interactions for patient safety.

Main Methods:

  • Literature review of published studies on 4-quinolone drug interactions.
  • Analysis of pharmacokinetic and pharmacodynamic data related to these interactions.

Main Results:

  • Many 4-quinolones inhibit cytochrome P450 enzymes, affecting the metabolism of co-administered drugs (e.g., theophylline).

Related Experiment Videos

  • Absorption of 4-quinolones is reduced by antacids and sucralfate due to chelation.
  • Probenecid impairs renal excretion of some 4-quinolones.
  • Interactions with NSAIDs may increase risk of central nervous system excitation.

    • Conclusions:

    • Clinicians must be aware of potential drug interactions with 4-quinolones.
    • Monitoring patients for adverse effects and adjusting dosages may be necessary.
    • Further research into novel interactions is warranted.