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Medicines trastuzumabQuestion & answer

trastuzumab · Medicine question

Which allergies are contraindications to Herceptin (trastuzumab)?

iatroX medicinesPublished 8 November 2026

The answer

Answer

Herceptin (trastuzumab) is contraindicated in patients with hypersensitivity to trastuzumab, murine proteins or any of its excipients.

Sources for this answer

Herceptin 150mg Powder for concentrate for solution for infusionRoche Products Limited · emc · SmPC §4.3 Contraindications · Version 52Document updated 5 January 2026

Sources checked 8 November 2026

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Does Herceptin (trastuzumab) have a relevant use in children?For how long after the last dose of Herceptin (trastuzumab) should breastfeeding be avoided?How is the Herceptin (trastuzumab) intravenous formulation administered?How long can trastuzumab remain in the circulation after Herceptin treatment stops?How much polysorbate 20 does each Herceptin (trastuzumab) 150 mg vial contain?What serious infusion-related reactions have been reported with Herceptin (trastuzumab)?

trastuzumab

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