Write-up: This case was reported by a pharmacy student and described the occurrence of suspicion of anaphylactoid reaction in a female subject of unspecified age who was vaccinated with Twinrix for prophylaxis. On an unspecified date the subject received unspecified dose of Twinrix (unknown). At an unspecified time after vaccination with Twinrix, the subject experienced suspicion of anaphylactoid reaction. The subject was reportedly starting treatment with Gardasil. This case was assessed as medically serious by manufacturer. At the time of reporting the outcome of the event was unspecified.