Answer
Anaphylaxis and anaphylactic reactions have been reported after marketing of baloxavir marboxil, alongside less severe hypersensitivity reactions including urticaria and angioedema.
Sources for this answer
- Xofluza 40 mg & 80 mg film coated tabletsRoche Products Limited · emc · SmPC §4.8 Undesirable effects · Version 9Document updated
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