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  • Title: Knowledge on drug dosages of ward physicians.
    Author: Schnurrer JU, Stichtenoth DO, Frölich JC.
    Journal: Eur J Clin Pharmacol; 2002 Apr; 58(1):65-7. PubMed ID: 11956676.
    Abstract:
    OBJECTIVE: Dosing errors are a common source for preventable adverse drug events. This study evaluated the knowledge of German hospital physicians with respect to the daily dosage of frequently used drugs. METHODS: A questionnaire survey was carried out among 168 ward physicians from three university and four municipal hospital departments of internal medicine asking for the daily dosage of 17 frequently used drugs. RESULTS: One hundred twenty-seven of 168 physicians returned a completed questionnaire, a response rate of 75.6%. Only 50% of the dose estimates were within the therapeutic range. Even in cases of frequent prescription 7% of the stated doses were overdosed and 15% were underdosed. CONCLUSIONS: The results of this survey suggest that adverse drug events and the lack of therapeutic effect due to dosing errors could be prevented by an improved knowledge of daily dosages.
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