Hepatotoxicity due to antibiotics

Julie E Polson1

  • 1Division of Digestive and Liver Diseases, University of Texas Southwestern Medical Center at Dallas, 5959 Harry Hines Boulevard, POB1, 420, Dallas, TX 75390-8887, USA. julie.polson@utsouthwestern.edu

Clinics in Liver Disease
|August 29, 2007
PubMed

Insights

Antimicrobial drugs can cause rare, unpredictable liver injury (DILI). Early diagnosis and stopping the antibiotic usually lead to patient recovery.

Area of Science:

  • Hepatology
  • Pharmacology
  • Toxicology

Background:

  • Idiosyncratic drug-induced liver injury (DILI) is a significant clinical challenge.
  • Antimicrobial agents are frequently implicated in DILI.
  • Antibiotic-induced liver injury presents diagnostic and predictive difficulties.

Purpose of the Study:

  • To highlight the challenges in diagnosing and predicting antibiotic-induced liver injury.
  • To emphasize the importance of timely diagnosis and intervention for antibiotic-associated DILI.

Main Methods:

  • Review of clinical presentation and diagnostic criteria for DILI.
  • Emphasis on careful patient history and temporal association.
  • Exclusion of alternative causes of liver injury.

Main Results:

  • Antibiotic-associated DILI is rare but clinically significant.
  • Diagnosis relies on recognizing potential causative agents and monitoring symptoms.
  • Biochemical tests and exclusion of other etiologies are crucial.

Conclusions:

  • Prompt withdrawal of the offending antimicrobial agent is key to patient recovery.
  • Vigilance and a systematic diagnostic approach are essential for managing antibiotic-induced DILI.

Related Concept Videos

Drug toxicity: Drug–Drug Interaction01:30

Drug toxicity: Drug–Drug Interaction

Drug–drug interactions can precipitate toxicity through multiple mechanisms. Absorption interactions alter how drugs enter the body, exemplified when ranitidine increases the absorption of basic drugs, while cholestyramine decreases the levels of propranolol. Protein binding interactions occur when drugs share the same binding sites on plasma proteins. Drugs like aspirin and warfarin, when bound in excess, can lead to increased free drug concentrations, enhancing the potential for...
Drug Toxicity: Dose-Dependent Reactions01:24

Drug Toxicity: Dose-Dependent Reactions

Drug toxicities can be stratified into pharmacological, pathological, or genotoxic based on their mechanisms. The incidence and severity of these toxicities generally increase with the drug's concentration in the body and exposure time.Pharmacological toxicity is evident when the therapeutic effects of drugs overshoot into adverse reactions in a predictable, dose-dependent manner. Central nervous system (CNS) depression from barbiturates is a classic example, with effects escalating from...
Drug toxicity: Idiosyncratic Reactions01:16

Drug toxicity: Idiosyncratic Reactions

Idiosyncratic drug reactions represent abnormal chemical responses that vary significantly among individuals, ranging from extreme sensitivity to low doses to insensitivity to high doses. These reactions often occur due to the drug's covalent binding with serum proteins, forming a foreign hapten that triggers an immunotoxicological response. The variability in drug reactions has a strong pharmacogenetic foundation, with genetic differences crucial in how individuals metabolize drugs. For...
Drug Toxicity: Risk factors01:24

Drug Toxicity: Risk factors

Adverse Drug Reactions (ADRs) are potential complications that arise during pharmacotherapy, influenced by multiple risk factors. Age plays a significant role; both neonates and the elderly are at heightened risk due to their respective immature and diminished metabolic and elimination processes. Gender also impacts ADRs, with females experiencing a 1.5 to 1.7-fold greater risk than males, which may be linked to pharmacokinetic, pharmacodynamic, and hormonal differences. Notably, neonates, the...
Drug Toxicity: Overview01:00

Drug Toxicity: Overview

Drug toxicity quantifies the harm a compound causes to an organism, varying by dose and potentially impacting whole systems or specific organs like the liver. Toxic reactions may arise from venomous insect or spider bites, with effects ranging from mild symptoms to severe outcomes such as brain damage or death. Common forms of acute poisoning include ethanol intoxication and overdose of pain or fever medications, with substances like GHB and heroin being particularly lethal at doses close to...
Effect of Hepatic Disease on Pharmacokinetics: Dose Adjustments Due to Hepatic Impairment01:08

Effect of Hepatic Disease on Pharmacokinetics: Dose Adjustments Due to Hepatic Impairment

Hepatic impairment, characterized by decreased liver function, does not uniformly mandate adjustments in drug dosage. Whether dosage modifications are necessary depends on various factors related to the drug's metabolism and elimination pathways. If a drug is primarily excreted via the kidneys and bypasses significant hepatic processing, if it undergoes minimal metabolic transformation in the liver, or if it is volatile and primarily expelled through the lungs, dose adjustments may not be...