Fluoroquinolone-Associated Disability and Other Fluoroquinolone-Associated Serious Adverse Events: Unexpected

Charles L Bennett1, Oscar Champigneulle1, Andrew Bennett1

  • 1SONAR (Southern Network on Adverse Reactions) Program, University of South Carolina College of Pharmacy, Columbia, SC, 29208, USA.

Insights

Adverse events following fluoroquinolone (FQ) antibiotic use, including ciprofloxacin, levofloxacin, and moxifloxacin, are reported. These widely prescribed drugs have been associated with serious side effects for over 15 years.

Area of Science:

  • Pharmacology
  • Clinical Medicine
  • Drug Safety

Background:

  • Fluoroquinolone (FQ) antibiotics are among the most frequently prescribed antibacterial agents globally.
  • Despite being available for over two decades, significant FQ-associated adverse events have been recognized since 2006.
  • This study focuses on adverse events linked to commonly prescribed FQs: ciprofloxacin, levofloxacin, and moxifloxacin.

Purpose of the Study:

  • To document and analyze reported adverse events associated with widely used fluoroquinolone antibiotics.
  • To highlight the spectrum and timeline of serious side effects linked to FQ use.

Main Methods:

  • Case reporting of adverse events in individuals consuming specific fluoroquinolone antibiotics.
  • Review of adverse event data spanning a 15-year period.

Main Results:

  • Individuals reported various adverse events after taking common fluoroquinolone antibiotics.
  • Serious FQ-associated adverse events have been a recognized concern for an extended period.

Conclusions:

  • Commonly prescribed fluoroquinolones like ciprofloxacin, levofloxacin, and moxifloxacin are associated with a range of adverse events.
  • The recognition of serious FQ-associated adverse events has persisted for many years, underscoring the need for ongoing vigilance.

Related Concept Videos

Pharmacovigilance01:19

Pharmacovigilance

Post-marketing surveillance is a critical component of pharmaceutical regulation, often uncovering unanticipated adverse drug reactions (ADRs) once a drug is widely used over an extended period.
This process, termed pharmacovigilance, aims to detect, evaluate, and minimize harmful effects related to medication use. The data collection for pharmacovigilance depends on spontaneous reporting systems, where healthcare professionals or patients voluntarily report suspected ADRs.
In some cases, there...
951
Nonlinear Pharmacokinetics: Dependence of Elimination Half-Life and Dose Clearance01:23

Nonlinear Pharmacokinetics: Dependence of Elimination Half-Life and Dose Clearance

The elimination half-life and drug clearance of drugs following nonlinear kinetics can vary with dosage. The Michaelis-Menten parameters and drug concentration influence these factors. As the dose increases, the elimination half-life tends to lengthen, resulting in a reduction in clearance and a disproportionately larger area under the curve. The total clearance can be derived from the Michaelis-Menten equation for drugs following a one-compartment model.
A study on guinea pigs examined the...
254
Skeletal Muscle Relaxants: Adverse Effects01:21

Skeletal Muscle Relaxants: Adverse Effects

Skeletal muscle relaxants are widely used for muscle paralysis and relieving pain following any muscle injury or stiffness. However, depending on the drug type, they can have adverse effects that range from mild to severe. Usually, nondepolarizing neuromuscular blockers have minimal side effects. For example, drugs like d-tubocurarine, cisatracurium, and rocuronium cause hypotension, whereas drugs like baclofen, when stopped abruptly, can lead to the recurrence of spastic conditions.
Unlike...
432
Drugs Affecting GI Tract Motility: Antimicrobials as Antidiarrheal Agents01:18

Drugs Affecting GI Tract Motility: Antimicrobials as Antidiarrheal Agents

Acute diarrhea, a common gastrointestinal disturbance, is characterized by the rapid evacuation of fluid stools, leading to an excessive weight in fluid. This condition typically arises from disorders affecting intestinal water and electrolyte transport. It can be triggered by an increased osmotic load within the intestine, excessive secretion of electrolytes and water, mucosal exudation of protein and fluid, or altered intestinal motility. The primary risks of acute diarrhea are dehydration...
192
Drug Regulation01:25

Drug Regulation

Drug regulation encompasses the management of drug usage by evaluating its safety and efficacy through assessments conducted by regulatory authorities. Regrettably, the history of drug regulation is marred by several catastrophic events. One such incident is the Elixir Sulfanilamide tragedy, in which the toxic compound diethyl glycol was included in a sweet-tasting medication, leading to numerous fatalities. This event prompted the enactment of the Food, Drug, and Cosmetic Act in 1938. Under...
1.7K
Renal Failure: Dose Adjustments01:11

Renal Failure: Dose Adjustments

In patients with renal impairment, drugs undergo significant changes in their pharmacokinetics, which require dosage adjustments to ensure safe and effective therapy.
Reduced renal clearance and elimination rate are common outcomes of renal impairment. These alterations lead to a prolonged elimination half-life and an altered apparent volume of distribution for drugs. As a result, dosage adjustments are typically necessary to maintain optimal drug levels in the body.
However, dosage adjustments...
136