Abstract Title:

Urticaria following varicella vaccine associated with gelatin allergy.

Abstract Source:

Vaccine. 1999 Jan 28 ;17(4):327-9. PMID: 9987170

Abstract Author(s):

S Singer, C E Johnson, R Mohr, C Holowecky

Article Affiliation:

S Singer


An uncommon reaction to varicella vaccine has been urticaria. Based on two reports of urticaria believed to be due to gelatin in recipients of measles-mumps-rubella vaccine, we suspected gelatin as the cause of generalized urticaria in two children after varicella vaccination. Intradermal testing with gelatin yielded a wheal and flare reaction in both children. We conclude that children known to be allergic to gelatin should not receive Oka/Merck varicella vaccine (VARIVAX).

Study Type : Human Study

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