Zofran injection is an antiemetic used to prevent nausea and vomiting caused by surgery or by medicine to treat cancer.
Ondansetron is an antiemetic, which reduce nausea and vomiting. It works by blocking the release of serotonin in the gut and the central nervous system. This keeps serotonin from causing nausea and vomiting.
Chemotherapy, radiotherapy, and surgery can all cause an increased amount of serotonin in your body. Ondansetron works by blocking serotonin from acting on the receptors that cause you to feel sick.