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Can benzyl alcohol in the Pfizer Limited Bacteriostatic Water for Injection product cross the placenta?

Name: Can benzyl alcohol in the Pfizer Limited Bacteriostatic Water for Injection product cross the placenta?
Published: 2026-11-08T01:59:11.104Z

iatroX medicinesPublished 8 November 2026

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Answer

Yes, benzyl alcohol used as a preservative in the Pfizer Limited Bacteriostatic Water for Injection product can cross the placenta.

Sources for this answer

Bacteriostatic Water for InjectionPfizer Limited · emc · SmPC §4.6 Fertility, pregnancy and lactation · Version 5Document updated 25 September 2024

Sources checked 8 November 2026

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