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Medicines Efanesoctocog alfaQuestion & answer

Efanesoctocog alfa · Medicine question

How common is headache with ALTUVOCT (efanesoctocog alfa)?

iatroX medicinesPublished 8 November 2026

The answer

Answer

Headache, including migraine, is very common with ALTUVOCT (efanesoctocog alfa), affecting at least 1 in 10 patients.

Sources for this answer

ALTUVOCT 1 000 IU powder and solvent for solution for injectionSwedish Orphan Biovitrum Ltd · emc · SmPC §4.8 Undesirable effects · Version 3Document updated 18 May 2026

Sources checked 8 November 2026

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More questions about Efanesoctocog alfa

By what route is ALTUVOCT (efanesoctocog alfa) administered?Can ALTUVOCT (efanesoctocog alfa) cause severe allergic reactions?Have interactions between ALTUVOCT (efanesoctocog alfa) and other medicines been reported?What cardiovascular warning applies to ALTUVOCT (efanesoctocog alfa) in patients with existing cardiovascular risk factors?What restrictions apply to using ALTUVOCT (efanesoctocog alfa) during pregnancy or breastfeeding?Which laboratory assay is recommended for measuring plasma factor VIII activity during treatment with ALTUVOCT (efanesoctocog alfa)?

Efanesoctocog alfa

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