Which medication is commonly used to treat nausea associated with chemotherapy?

The medication commonly used to treat nausea associated with chemotherapy is ondansetron. Ondansetron is a selective serotonin 5-HT3 receptor antagonist that works by blocking the action of serotonin, a neurotransmitter that can trigger nausea and vomiting, particularly in response to chemotherapy agents. It is frequently administered to patients undergoing chemotherapy to help prevent or alleviate the nausea that is often a side effect of those treatments.

Cyclobenzaprine, primarily a muscle relaxant, is not indicated for nausea and is used to relieve muscle spasms. Tamoxifen is a selective estrogen receptor modulator primarily used in the treatment of breast cancer and does not have a role in managing chemotherapy-induced nausea. Sucralfate is used to treat ulcers and protect the gastrointestinal lining but does not address nausea or vomiting, especially those related to chemotherapy. Therefore, ondansetron is specifically designed and commonly used in the oncology setting for effective management of chemotherapy-induced nausea and vomiting.