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Related Experiment Videos

Isoniazid-induced convulsions.

J R Coyer, D P Nicholson

    Southern Medical Journal
    |March 1, 1976
    PubMed
    Summary
    This summary is machine-generated.

    Acute isoniazid overdose can cause seizures. Pyridoxine (vitamin B6) may prevent or treat isoniazid poisoning, as seen in a patient who took both without convulsions.

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    Area of Science:

    • Pharmacology
    • Toxicology
    • Neurology

    Background:

    • Acute isoniazid overdose is a serious medical condition.
    • Isoniazid toxicity can lead to life-threatening convulsions.
    • Pyridoxine (vitamin B6) is essential for neurological function.

    Purpose of the Study:

    • To report on patients with acute isoniazid overdose.
    • To investigate the potential role of pyridoxine in preventing isoniazid-induced convulsions.
    • To suggest guidelines for using pyridoxine in isoniazid poisoning management.

    Main Methods:

    • Case series reporting on six patients with acute isoniazid overdose.
    • Detailed clinical observation of one patient who ingested both isoniazid and pyridoxine.
    • Review of existing experience with isoniazid toxicity and pyridoxine treatment.

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    Main Results:

    • One patient ingested a large dose of isoniazid (15 gm) and pyridoxine (5 gm) without experiencing convulsions.
    • This case suggests a protective effect of pyridoxine against isoniazid-induced seizures.
    • No other adverse events were specifically detailed for the other five patients.

    Conclusions:

    • Pyridoxine may be a valuable agent in preventing and treating acute isoniazid poisoning.
    • Further research is warranted to establish optimal dosing and efficacy of pyridoxine.
    • Clinical recommendations for managing isoniazid overdose should consider pyridoxine administration.