Transdermal Granisetron

Granisetron is in a class of drugs known as serotonin 5-HT3 receptor antagonists. It works by blocking serotonin activity in the chemoreceptor trigger zone. Granisetron is taken by mouth as a tablet or solution to prevent CINV.

Granisetron may also be administered as a transdermal patch, which is a newer formulation of the drug.