Keytruda injection is a prescription medicine used to treat specific types of cancer. According to the provided reference, Keytruda is used to treat head and neck squamous cell cancer (HNSCC). Specifically, it is used when:
- The cancer has spread or returned.
- The cancer cannot be removed by surgery.
- It is used as a first treatment with chemotherapy medicines fluorouracil and a platinum.
In summary, Keytruda is one part of a treatment plan for advanced HNSCC.