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General practice survey of the management of chickenpox: appropriate targeting of antiviral therapy.

BACKGROUND
A working party of specialists and GPs recently published their consensus on recommended treatments for chickenpox. These are the closest to recommended guidelines available in the UK. They offer a rational basis for targeting those groups most at risk of complications with antiviral treatment.


OBJECTIVES
The aim of the present study was to compare current practice by GPs in the management of chickenpox, particularly in targeting of antiviral therapy, with the working party recommendations.


METHOD
A questionnaire survey was conducted of all GP principals within a single London Health Authority Responses to nine chickenpox clinical scenarios were compared with the working party recommendations.


RESULTS
The response rate was (69.2%) 227/328. In five of the nine scenarios, fewer than 70% of GPs selected the correct response according to the recommendations. There was both underuse and overuse of antivirals according to the recommendations, with only 42% (96/227) advising oral antivirals or referral for an asthmatic treated with oral steroids 1 month previously, and 24% (53/221) advising oral antivirals 3 days after the chickenpox rash appeared.


CONCLUSIONS
The results suggest some high risk groups may be being undertreated with oral antivirals and there may be considerable use of oral antivirals in situations where they are of no proven benefit.