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Fluoroquinolone-induced tendinopathy: what do we know?
1Department of Emergency Medicine, Louisiana State University School of Medicine, Shreveport, USA.
Abstract:
Fluoroquinolones are relatively safe, effective antibiotics. As their use becomes more frequent, so will the adverse side effects. I highlight a rare but debilitating adverse reaction-fluoroquinolone-induced tendinopathy. Case reports and letters from 1987 to 1998 were identified by using Grateful Med and PubMed Internet accesses to the National Library of Medicine. Articles were reviewed for clinical practicality. There are few articles on fluoroquinolone-induced tendinopathy in the US literature targeting primary care physicians. This entity has been described in many case reports, but little has been done to isolate the causative agents. Incidence of this side effect is difficult to estimate, since no prospective studies are available for review or calculation of risk. Fluoroquinolone-induced tendinopathy appears more commonly in tendons under high stress. The cause is probably multifactorial. Risk factors for the development of fluoroquinolone-induced tendinopathy are age, renal failure, corticosteroid use, and previous tendinopathy from fluoroquinolones.
Insights
Fluoroquinolone antibiotics can cause rare but severe tendinopathy. Risk factors include age, renal failure, and corticosteroid use, necessitating physician awareness.
Area of Science:
- Pharmacology
- Orthopedics
- Infectious Diseases
Background:
- Fluoroquinolones are widely used antibiotics with a generally favorable safety profile.
- Increasing fluoroquinolone use correlates with a rise in potential adverse effects.
- Fluoroquinolone-induced tendinopathy is a rare but serious complication.
Observation:
- A review of case reports and letters from 1987-1998 identified fluoroquinolone-induced tendinopathy.
- This adverse reaction predominantly affects tendons under high stress.
- Limited US literature targets primary care physicians regarding this specific side effect.
Findings:
- The exact incidence of fluoroquinolone-induced tendinopathy is difficult to determine due to a lack of prospective studies.
- Causative agents for tendinopathy have not been definitively isolated.
- Identified risk factors include advanced age, renal failure, concurrent corticosteroid use, and prior fluoroquinolone-associated tendinopathy.
Implications:
- Primary care physicians should be aware of this rare but debilitating adverse reaction.
- Prompt recognition and management are crucial for patients experiencing fluoroquinolone-induced tendinopathy.
- Further research is needed to elucidate causative mechanisms and refine risk assessment.