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Published on: March 11, 2016
Cephalosporin-induced nephrotoxicity: does it exist?
1Faculty of Pharmacy, University of Manitoba, Winnipeg, Canada.
Abstract:
The literature has been reviewed to determine whether cephalosporins have been implicated in causing nephrotoxicity and to assess the influence of concomitant aminoglycoside therapy. Animal and human data have implicated cephaloridine and cephalothin in causing nephrotoxicity, both alone and in combination with aminoglycosides. There are few data implicating other cephalosporins in causing nephrotoxicity. Cefazolin, which is nephrotoxic in animals, has not been reported to produce nephrotoxicity in humans. Two studies have documented nephrotoxicity due to ceftazidime, especially in patients with preexisting renal impairment. Such patients should have their dosage adjusted to minimize ceftazidime-induced renal impairment. Finally, cephalosporins other than cephaloridine and cephalothin have not been documented to increase the risk of nephrotoxicity when used in combination with aminoglycosides compared with aminoglycosides alone.
Insights
Certain cephalosporins, like cephaloridine and cephalothin, can cause kidney damage (nephrotoxicity), especially with aminoglycosides. Other cephalosporins generally do not increase this risk.
Area of Science:
- Pharmacology
- Nephrology
- Infectious Diseases
Background:
- Cephalosporins are widely used antibiotics.
- Nephrotoxicity is a potential adverse effect of some medications.
- Concomitant therapy with aminoglycosides can alter drug toxicity profiles.
Purpose of the Study:
- To review existing literature on cephalosporin-induced nephrotoxicity.
- To evaluate the impact of concurrent aminoglycoside administration on this risk.
Main Methods:
- Literature review of animal and human studies.
- Analysis of data on various cephalosporin agents.
- Assessment of combination therapy effects.
Main Results:
- Cephaloridine and cephalothin are implicated in nephrotoxicity, alone and with aminoglycosides.
- Limited evidence suggests other cephalosporins rarely cause nephrotoxicity.
- Ceftazidime-induced nephrotoxicity observed in patients with renal impairment.
- Cefazolin shows animal nephrotoxicity but not reported in humans.
- Other cephalosporins do not increase aminoglycoside nephrotoxicity risk.
Conclusions:
- Cephaloridine and cephalothin pose a nephrotoxicity risk.
- Ceftazidime requires dosage adjustment in renally impaired patients.
- Most cephalosporins appear safe regarding nephrotoxicity, especially with aminoglycosides.
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