<unk> , sold under the brand name Herceptin among others, is a monoclonal antibody used to treat breast cancer and stomach cancer. It is specifically used for cancer that is HER2 receptor positive. It may be used by itself or together with other chemotherapy medication.<unk>  is given by slow injection into a vein and injection just under the skin. Common side effects include fever, infection, cough, headache, trouble sleeping, and rash. Other severe side effects include heart failure, allergic reactions, and lung disease. Use during pregnancy may harm the baby.<unk>  works by binding to the HER2 receptor and slowing down cell duplication.<unk>  was approved for medical use in the United States in September 1998, and in the European Union in August 2000. It is on the World Health Organization's List of Essential Medicines. A biosimilar was approved in the European Union in November 2017, and in the United States in December 2018.
Trastuzumab
Docetaxel
Tamoxifen
Paclitaxel
Ribociclib
Cetuximab
Palbociclib
N-Desmethyltamoxifen