Extensive limbswelling (ELS) has been
reported after vaccination witha limited number ofvaccine types. We soughtto describe vaccine typesinvolved in and theclinical characteristics of ELScases reported to theVaccine Adverse Event
ReportingSystem (VAERS). A caseof ELS was
definedas any report ofedema extending at
leastto the elbow orknee of a vaccinatedextremity. Four hundred ninety-sevencases were
identified, withsome describing swelling from
the shoulder to thehand or the hipto the
foot. Patientage ranged from 0.1to 91 years.
Theproportion of reports ofELS associated
with agiven vaccine, among allVAERS reports
received forthat vaccine, varied substantiallyamong vaccines. Most reactionsbegan within 1 dayafter vaccination and involvedother signs of
inflammation.Postvaccination ELS can involve
both the proximal anddistal segments of the
extremity, affects all agegroups, and occurs aftervaccination with a broadrange of vaccines.
Received 4 December 2002; accepted 25 March 2003;
electronically published 22 July 2003. a Study group
members are listed atthe end of thetext.
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