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Published on: December 26, 2017
Hematologic side effects of drugs
1Harbor-UCLA Medical Center, Department of Pathology, Torrance 90509.
Annals of Clinical and Laboratory Science
|March 1, 1989
Summary
Drugs can cause serious blood disorders like neutropenia and aplastic anemia through direct toxicity or immune responses. Understanding these drug-induced hematologic adverse effects is crucial for patient safety.
Area of Science:
- Hematology
- Pharmacology
- Toxicology
Background:
- Drugs can negatively impact bone marrow and peripheral blood cells.
- While rare, drug-induced aplastic anemia is a severe condition.
- Hematologic adverse effects are common, including neutropenia, thrombocytopenia, and anemia.
Purpose of the Study:
- To review drugs causing hematologic adverse effects.
- To describe known mechanisms of drug-induced blood disorders.
- To highlight the significance of these adverse events.
Main Methods:
- Literature review of reported drug-induced hematologic adverse effects.
- Analysis of mechanisms, including direct toxicity and immunologic pathways.
- Categorization of common hematologic effects.
Main Results:
- Neutropenia, thrombocytopenia, hemolytic anemia, aplastic anemia, and macrocytic anemia are the most frequent drug-induced blood disorders.
- Mechanisms include direct drug toxicity, immune-mediated reactions (hapten or autoantibody formation), and exacerbation of erythrocyte enzyme defects (e.g., G-6-PD deficiency).
- Antineoplastic drugs, chloramphenicol, and penicillins are cited examples.
Conclusions:
- Drug-induced hematologic adverse effects are a significant clinical concern.
- Mechanisms vary, involving direct toxicity, immune responses, and interactions with red blood cell enzyme deficiencies.
- Further research is needed for unknown mechanisms.
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