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Trastuzumab is used in the treatment of breast cancer and stomach cancer

How it works

Trastuzumab is a monoclonal antibody specifically designed to target HER2 receptors on breast cancer cells. Trastuzumab flags the cancer cells for destruction by the body's immune system.

Common side effects

Fatigue, Nausea, Headache, Weight loss, Fever, Chills, Cough, Infection, Nasopharyngitis, Stomatitis, Anemia, Rash, Diarrhoea, Insomnia, Upper respiratory tract infection, Congestive cardiac failure

Available Medicine

Expert advice

  • Take extreme care while taking trastuzumab as it can cause heart failure, especially if you have heart disease or if you are also receiving certain other cancer medicines.
  • You may need to undergo biopsy test during trastuzumab treatment to check the effect of trastuzumab.
  • Do not drive or operate machinery as trastuzumab may cause fever or chills.
  • Tell your doctor if you are or planning to become pregnant or are breastfeeding.

Frequently asked questions


Q. Is trastuzumab cytotoxic?
Yes, Trastuzumab is cytotoxic

Q. Is trastuzumab a hazardous drug?
Yes, Trastuzumab is a hazardous drug and is supposed to be administered under medical supervision only.

Content on this page was last updated on 13 January, 2017, by Dr. Varun Gupta (MD Pharmacology)