danset injections are used to reduce vomiting and nausea. danset injections are an injection solution to reduce nausea and vomiting that accompany some medical procedures such as surgery, chemotherapy, and radiotherapy. It contains ondasterone as an active ingredient, which is an inhibitor of serotonin receptors in the central nervous system danset injection components danset injections contain ondasterone as an active ingredient, which is an inhibitor of serotonin receptors in the central nervous system