Brand vs salt / pack
Herceptin vs Trastuzumab (INN)
Trastuzumab is Herceptin’s INN. Perjeta (pertuzumab) and Kadcyla (T-DM1) are different HER2 medicines. Do not swap them from a comparison table.
Same active ingredient. Different licensed pack, manufacturer, or formulation may still apply — follow the prescription.
| Topic | Herceptin | Trastuzumab (INN) |
|---|---|---|
| Active ingredient | Trastuzumab | Trastuzumab |
| Target | HER2 | HER2 |
| Storage | 2–8°C | 2–8°C |
| Not the same as | Kadcyla / Perjeta | Kadcyla / Perjeta |
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Full Herceptin guideNeed a side-by-side of two SKUs in your cart? Use the product compare tool (not indexed). This page is the public explanation Google can rank.
Information and pharmacy-access support only — not medical advice, diagnosis, or a treatment plan. Always follow your oncologist. Prescription required for oncology medicines.