Can someone with a hamster-protein allergy receive andexanet alfa?

iatroX medicinesPublished 18 August 2026Reviewed 18 August 2026

The answer

Answer

No. A known allergic reaction to hamster proteins is a contraindication in the UK product information.

Ondexxya 200 mg powder for solution for infusionemc · SmPC Current selected SmPC · Version 17

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andexanet alfa · Medicine question

iatroX medicinesPublished 18 August 2026Reviewed 18 August 2026

The answer

No. A known allergic reaction to hamster proteins is a contraindication in the UK product information.

Ondexxya 200 mg powder for solution for infusionemc · SmPC Current selected SmPC · Version 17

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