Sanofi-Aventis | Anzemet (Medication)


Anzemet/dolasetron blocks the actions of chemicals in the body that can trigger nausea and vomiting. This medication is used alone or with other medications to prevent nausea and vomiting caused by cancer drug treatment (chemotherapy). It is also used to prevent nausea and vomiting after surgery. It works by blocking one of the body's natural substances (serotonin) that causes vomiting. Dolasetron belongs to a class of medications called 5-HT3 blockers. ...

Side Effect:

Side effects of using this drug may include:headache, constipation, tiredness, drowsiness, or dizziness may occur. If any of these effects persist or worsen, notify your doctor promptly. Many people using this medication do not have serious side effects.

Tell your doctor immediately if any of these unlikely but serious side effects occur:stomach/abdominal pain, change in amount of urine, vision changes. Seek immediate medical attention if any of these rare but very serious side effects occur:chest pain, severe dizziness, fainting, slow/fast/irregular heartbeat.

Seek immediate medical attention if you notice any symptoms of a serious allergic reaction such as:rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing. ...


You should not take Anzemet if you are allergic to dolasetron. Anzemet can cause serious heart rhythm problems. You should not use this medication if you have a history of Long QT syndrome. Tell your doctor if anyone in your family has ever had this condition.

Inform your doctor if you have a heart rhythm disorder; a personal or family history of Long QT syndrome, or an electrolyte imbalance (such as low levels of potassium or magnesium in your blood).

Tell your doctor about all other medicines you use. There are many other medicines that can increase your risk of heart rhythm problems if you use them together with Anzemet.

Tell your caregivers at once if you have fast, slow, or uneven heartbeats, or if you feel like you might pass out. Anzemet is usually taken 1 hour before chemotherapy or 2 hours before surgery. Tell your doctor if you forget to take the medication within the specified amount of time before your procedure. ...