A drug used to prevent nausea and vomiting caused by chemotherapy. Dolasetron mesylate blocks the action of the chemical serotonin, which binds to certain nerves and may trigger nausea and vomiting. Blocking serotonin may help lessen nausea and vomiting. Dolasetron mesylate is a type of serotonin receptor antagonist and a type of antiemetic.
( doh-LAH-seh-tron MEH-zih-layt )
Source: NCI Dictionary of Cancer Terms
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