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Detection of Inflammasome Activation and Pyroptotic Cell Death in Murine Bone Marrow-derived Macrophages
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Nafcillin-associated granulocytopenia

G J Couchonnal, D R Hinthorn, G R Hodges

    Southern Medical Journal
    |November 1, 1978
    PubMed

    Insights

    Nafcillin treatment can cause granulocytopenia, a low white blood cell count. This rare side effect typically resolves after stopping nafcillin, suggesting a direct bone marrow toxicity rather than an immune response.

    Area of Science:

    • Pharmacology
    • Hematology
    • Toxicology

    Background:

    • Nafcillin is an antibiotic commonly used to treat bacterial infections.
    • Granulocytopenia is a serious adverse effect characterized by a reduction in granulocytes, a type of white blood cell.

    Observation:

    • Three patients developed granulocytopenia during nafcillin therapy.
    • This adverse event is rare, with only three prior reported cases in the literature.

    Findings:

    • The mechanism appears to be direct bone marrow toxicity, not immunologically mediated.
    • Granulocytopenia typically manifests around the third week of nafcillin treatment.

    Implications:

    • Clinicians should monitor for granulocytopenia in patients receiving nafcillin.
    • Prompt discontinuation of nafcillin usually leads to spontaneous recovery of white blood cell counts.

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