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Related Experiment Videos

Adverse reactions from timolol administration

E M Van Buskirk

    Ophthalmology
    |May 1, 1980
    PubMed
    Summary
    This summary is machine-generated.

    Adverse reactions to timolol maleate were reviewed, revealing significant systemic effects like cardiac and central nervous system issues. Ocular side effects were also common, including external diseases and visual disturbances.

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    Area of Science:

    • Ophthalmology
    • Pharmacology
    • Clinical Toxicology

    Background:

    • Timolol maleate is a widely prescribed beta-blocker for conditions like glaucoma.
    • Adverse drug reactions (ADRs) require continuous monitoring for patient safety.
    • Understanding the ADR profile of timolol maleate is crucial for clinicians.

    Purpose of the Study:

    • To analyze the types and frequency of adverse reactions associated with timolol maleate.
    • To identify serious systemic and ocular side effects reported to a national registry.

    Main Methods:

    • Review of 547 adverse reaction reports submitted to the National Registry for Drug-induced Ocular Side Effects.
    • Analysis of reported systemic and ocular side effects over an eleven-month period.

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    Main Results:

    • Approximately 50% of reports detailed systemic reactions affecting cardiac, pulmonary, central nervous, gastrointestinal, and dermatologic systems.
    • Serious systemic reactions included depression, anxiety, confusion, bradycardia, arrhythmias, and pulmonary airway obstruction.
    • Ocular side effects comprised external ocular disease (superficial punctate keratitis, corneal anesthesia) and visual disturbances in 10% of cases, sometimes unrelated to refractive error.

    Conclusions:

    • Timolol maleate is associated with a broad spectrum of systemic and ocular adverse reactions.
    • Clinicians should be vigilant for both systemic and ocular side effects when prescribing timolol maleate.
    • Further investigation into the mechanisms and management of these adverse events is warranted.