Ondansetron Oral, Oromucosal and Tolvaptan

• Generic Name: ondansetron
• Dosage Forms: n.a.
• Other Brand Names: Zofran, Zofran ODT, Zuplenz

Ondansetron is used to prevent nausea and vomiting that is caused by cancer medicines (chemotherapy) or radiation therapy. It is also used to prevent nausea and vomiting that may occur after surgery. Ondansetron works in the stomach to block the signals to the brain that cause nausea and vomiting.

Ondansetron is available only with your doctor's prescription.

• Generic Name: tolvaptan
• Dosage Forms: n.a.
• Other Brand Names: Samsca, Jynarque

This medication guide provides information about the Samsca brand of tolvaptan. Jynarque is another brand of tolvaptan that is not covered in this medication guide.

Tolvaptan (Samsca) is used to treat hyponatremia (low levels of sodium in your blood) in people with heart failure, and certain hormonal imbalances. Tolvaptan improves urine flow without causing the body to lose too much sodium as you urinate.

Samsca may also be used for purposes not listed in this medication guide.