Haas NL, Haas MRC, Gregory C
Typhoid Vaccine Live Oral Ty21a (Vivotif) is typically well tolerated, and adverse events are infrequent and mild. To the best of the authors’ knowledge, only one prior anaphylactic reaction has previously been reported. We present a case of anaphylaxis related to Vivotif, in which a 66-year-old male with no medical comorbidities developed anaphylaxis following the third of a four-dose course (in the absence of concomitant vaccination administration), which consisted of tongue swelling, difficulty breathing, abdominal discomfort and rash. He was managed with epinephrine, corticosteroids and antihistamines.
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