Related Experiment Video
Updated: Aug 17, 2026

Creation of Reversible Cholestatic Rat Model
Published on: May 22, 2011
Abstract:
Eight patients developed elevations of hepatic enzymes while receiving oxacillin intravenously. In all instances the patients were asymptomatic and anicteric. Peripheral eosinophilia was present in five of eight patients. In each patient change of therapy to a different pencillinase-resistant penicillin or to penicillin G was associated with a rapid decrease in liver function abnormalities and evenutal return of the enzymatic values to normal. Change of medication to an alternative penicillinase-resistant penicillin or to penicillin G is suggested as a safe procedure for completion of antistaphylococcal therapy in patient who develop oxacillin-related hepatotoxicity.
Insights
Oxacillin can cause liver enzyme elevations in patients. Switching to a different penicillin or penicillin G safely resolves these liver function abnormalities.
Area of Science:
- Pharmacology
- Hepatology
- Infectious Diseases
Background:
- Oxacillin is a penicillinase-resistant penicillin antibiotic used for Staphylococcus infections.
- Drug-induced liver injury is a potential adverse effect of various medications.
Observation:
- Eight patients receiving intravenous oxacillin developed elevated hepatic enzymes.
- Patients were asymptomatic with no jaundice; five showed peripheral eosinophilia.
Findings:
- Discontinuation of oxacillin and switching to an alternative penicillinase-resistant penicillin or penicillin G led to rapid normalization of liver enzymes.
- The observed hepatotoxicity was reversible upon changing the antibiotic regimen.
Implications:
- Changing antibiotic therapy is a safe strategy for patients experiencing oxacillin-related hepatotoxicity.
- This approach allows for the completion of necessary antistaphylococcal treatment without compromising liver function.
Related Concept Videos
Phase I Oxidative Reactions: Overview
Phase I Reactions: Oxidation of Aliphatic and Aromatic Carbon-Containing Systems
Oxidation reactions are fundamental in aromatic carbon-containing systems. An example is the hydroxylation of phenobarbital, a process that transforms it into...
Effect of Hepatic Disease on Pharmacokinetics: Dose Adjustments Due to Hepatic Impairment
Drug Toxicity: Overview
Drug Toxicity: Dose-Dependent Reactions
Drug Toxicity: Allergic Reactions

