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Use of fluoroquinolones: practical considerations
1West Virginia University Health Sciences Center, Morgantown.
American Family Physician
|April 1, 1993
Summary
Fluoroquinolone antibiotics treat serious bacterial infections and are widely absorbed. However, avoid them for meningitis due to poor cerebrospinal fluid penetration and consider cost, side effects, and resistance.
Area of Science:
- Pharmacology
- Infectious Diseases
- Microbiology
Background:
- Fluoroquinolones represent a significant class of antibiotics.
- They offer broad-spectrum activity against Gram-negative and some Gram-positive pathogens.
Purpose of the Study:
- To review the therapeutic applications and limitations of fluoroquinolone antibiotics.
- To highlight key considerations for their clinical use.
Main Methods:
- Literature review of fluoroquinolone pharmacology and clinical data.
- Analysis of pharmacokinetic properties and therapeutic indications.
- Evaluation of adverse effects, drug interactions, and resistance patterns.
Main Results:
- Fluoroquinolones exhibit excellent oral absorption and tissue distribution.
- Effective in treating urinary tract infections, gonorrhea, traveler's diarrhea, and certain respiratory, bone, and mycobacterial infections.
- Not recommended for meningitis due to inadequate cerebrospinal fluid concentrations.
Conclusions:
- Fluoroquinolones are valuable for specific serious bacterial infections.
- Clinicians must weigh benefits against potential issues like cost, interactions, adverse events, and emerging resistance.
- Restrict use to appropriate indications where less expensive alternatives are unsuitable.