Answer
Yes, serious hypersensitivity reactions, including anaphylaxis, have been reported with guselkumab in the post-marketing setting, with some serious reactions occurring several days after treatment.
Sources for this answer
- Tremfya 100 mg OnePress solution for injection in pre-filled penJanssen-Cilag Ltd (a Johnson & Johnson Company) · emc · SmPC §4.4 Special warnings and precautions for use · Version 16Document updated
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