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Medicines fremanezumabQuestion & answer

fremanezumab · Medicine question

Is fremanezumab known to pass into human breast milk?

iatroX medicinesPublished 8 November 2026

The answer

Answer

It is unknown whether fremanezumab passes into human breast milk, and no data are available on its presence in human milk.

Sources for this answer

Ajovy (fremanezumab) 225mg Pre-filled Syringe for InjectionTeva UK Limited · emc · SmPC §4.6 Fertility, pregnancy and lactation · Version 10Document updated 3 May 2024

Sources checked 8 November 2026

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More questions about fremanezumab

What is the recommendation on using Ajovy (fremanezumab) during pregnancy?Are interactions between fremanezumab and medicines affecting cytochrome P450 enzymes expected?Are safety data available for fremanezumab in patients with major cardiovascular diseases excluded from its clinical studies?How does fremanezumab act on calcitonin gene-related peptide (CGRP)?How much sodium does Ajovy (fremanezumab) pre-filled syringe solution contain per dose?What injection-site reactions are most commonly reported with fremanezumab?

fremanezumab

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