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Hospital admission for xanthine toxicity.

L E Derby1, S S Jick, J C Langlois

  • 1Boston Collaborative Drug Surveillance Program, Boston University Medical Center, Waltham, Massachusetts.

Pharmacotherapy
|January 1, 1990
PubMed
Summary
This summary is machine-generated.

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Hospitalization for theophylline (xanthine) toxicity is rare in outpatients. A 9-year study found only 30 hospitalizations among over 220,000 prescriptions, indicating a low incidence rate.

Area of Science:

  • Pharmacology
  • Clinical Pharmacy
  • Drug Safety

Background:

  • Theophylline is a widely prescribed medication for respiratory conditions.
  • Monitoring for adverse events is crucial for patient safety.
  • Xanthine toxicity can lead to severe health complications.

Purpose of the Study:

  • To determine the incidence of hospitalization due to theophylline-induced xanthine toxicity in an outpatient setting.
  • To assess the risk of severe adverse events associated with theophylline use.

Main Methods:

  • A retrospective follow-up study was conducted.
  • Data from 35,909 outpatients were analyzed over a 9-year period.
  • Prescription data for over 220,000 theophylline prescriptions were reviewed.

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Main Results:

  • A total of 30 hospitalizations for xanthine toxicity were identified.
  • The estimated incidence rate of hospitalization for xanthine toxicity was 7.8 per 10,000 person-years at risk.
  • Hospitalization for xanthine toxicity was found to be a relatively rare event in this patient population.

Conclusions:

  • Theophylline-induced xanthine toxicity leading to hospitalization is infrequent in outpatients.
  • Theophylline can be used with a relatively low risk of severe toxicity requiring hospitalization.
  • Continued vigilance for adverse events is warranted, though the overall risk appears low.