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Prolonged bleeding time during ciprofloxacin therapy
1Department of Medicine, University of Otago Medical School, Dunedin, New Zealand.
Abstract:
Ciprofloxacin is a broad spectum quinolone antibiotic. Side effects reported include nausea and other gastrointestinal symptoms; skin and musculoskeletal side effects may also occur. No bleeding abnormalities or alteration in coagulation have been documented. We report a case where ciprofloxacin appeared to contribute to an idiosyncratic prolongation of bleeding time although a rechallenge 8 months later did not reproduce the effect. Moreover, subsequent investigation of the influence of ciprofloxacin on bleeding parameters in 10 healthy volunteers demonstrated no alterations in bleeding parameters.
Insights
Ciprofloxacin, a common antibiotic, rarely causes bleeding issues. A case study suggested a link, but further research in healthy volunteers showed no effect on bleeding time.
Area of Science:
- Pharmacology
- Clinical Medicine
- Antibiotic Research
Background:
- Ciprofloxacin is a broad-spectrum quinolone antibiotic.
- Common side effects include gastrointestinal and musculoskeletal issues.
- No prior documentation of bleeding abnormalities or coagulation alterations exists.
Observation:
- A single patient case suggested ciprofloxacin might idiosyncratically prolong bleeding time.
- A subsequent rechallenge in the same patient did not replicate the prolonged bleeding.
- Investigation involved 10 healthy volunteers to assess ciprofloxacin's effect on bleeding parameters.
Findings:
- The case report indicated a potential, albeit idiosyncratic, link between ciprofloxacin and prolonged bleeding.
- Rechallenge and volunteer studies failed to confirm this association.
- No significant alterations in bleeding parameters were observed in healthy volunteers after ciprofloxacin administration.
Implications:
- Ciprofloxacin is unlikely to cause clinically significant bleeding issues in the general population.
- Further investigation into rare idiosyncratic reactions may be warranted.
- This study contributes to the safety profile understanding of fluoroquinolone antibiotics.