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Side effects of cephalosporins
1Department of Infectious Diseases, University of Umeå.
Drugs
|January 1, 1987
Summary
Cephalosporins are generally safe with few side effects, and true penicillin cross-reactivity is rare. Some newer cephalosporins carry risks like bleeding or disulfiram-like reactions, necessitating careful patient monitoring.
Area of Science:
- Pharmacology
- Clinical Medicine
- Drug Safety
Background:
- Cephalosporins are widely used antibiotics.
- Understanding their adverse effects is crucial for safe clinical practice.
- Previous concerns about penicillin cross-reactivity are being re-evaluated.
Purpose of the Study:
- To review the safety profile of cephalosporins.
- To identify and categorize potential adverse reactions.
- To provide current data on cephalosporin-induced side effects.
Main Methods:
- Literature review of cephalosporin adverse effects.
- Analysis of clinical data and case reports.
- Evaluation of specific cephalosporin subclasses and their associated risks.
Main Results:
- Hypersensitivity reactions are less common than with penicillins; true cross-reactivity is debated.
- Specific cephalosporins (e.g., cefaclor) have been linked to hypersensitivity clusters.
- Nephrotoxicity is minimal with modern agents, though high doses of ceftazidime may affect renal function.
- Certain side chains (3-methylthiotetrazole) increase bleeding and disulfiram-like reaction risks.
- Biliary excretion of drugs like ceftriaxone and cefoperazone can lead to Clostridium difficile-associated diarrhea.
- Laboratory abnormalities like eosinophilia and thrombocytosis are often signs of healing, not adverse drug reactions.
Conclusions:
- Modern cephalosporins exhibit a favorable safety profile with generally mild side effects.
- Awareness of specific risks associated with certain cephalosporins (e.g., side-chain related, biliary excretion) is important.
- Careful patient selection and monitoring can mitigate potential adverse events.
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