What is Emend Injection?

Emend for injection is the prescription medication fosaprepitant. It used to prevent the nausea and vomiting that can result from some cancer chemotherapy. By blocking the bodily reactions that normally cause vomiting, Emend can prevent the vomiting from beginning or lessen the severity of the nausea or vomiting. Emend does not treat nausea and vomiting that have already begun. Emend for injection is given intravenously by a healthcare provider in the hospital. It is usually given in one dose 30 minutes before chemotherapy begins.

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