Can an allergy occur after previous safe infusions?

iatroX medicinesPublished 20 August 2026Reviewed 20 August 2026

The answer

Answer

Yes. Hypersensitivity, including anaphylaxis, can occur even if earlier infusions caused no reaction.

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human alpha1-proteinase inhibitor · Medicine question

iatroX medicinesPublished 20 August 2026Reviewed 20 August 2026

The answer

Yes. Hypersensitivity, including anaphylaxis, can occur even if earlier infusions caused no reaction.

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