what is granisetron hcl used for
A Stacy Wiegman, PharmD, Pharmacy, answered. Granisetron hydrochloride is a prescription medication that's used to prevent nausea and vomiting caused by certain cancer treatments, including chemotherapy, radiation therapy, and surgery.hen taken by an injection, Granisetron hydrochloride is given by a health care professional in a hospital or clinic and it may be administered as a 30-second injection or mixed into IV fluid and infused over five minutes.