Generic Name: dolasetron (oral) (doe LAS e tron)
Brand Names: Anzemet
What is Anzemet?
Anzemet (dolasetron) blocks the actions of chemicals in the body that can trigger nausea and vomiting.
Anzemet oral tablets are used to prevent nausea and vomiting that may be caused by medicine to treat cancer (chemotherapy).
Anzemet may also be used for purposes not listed in this medication guide.
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.
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.
Follow all directions on your medicine label and package. Tell each of your healthcare providers about all your medical conditions, allergies, and all medicines you use.
Before taking this medicine
You should not take Anzemet if you are allergic to dolasetron.
To make sure you can safely take Anzemet, tell your doctor if you have any of these other conditions:
a serious heart condition such as "sick sinus syndrome";
a heart rhythm disorder such as slow heartbeats, or atrial fibrillation (fast, irregular heart rhythm);
personal or family history of long QT syndrome;
congestive heart failure; or
an electrolyte imbalance (such as low levels of potassium or magnesium in your blood).
FDA pregnancy category B. Anzemet is not expected to be harmful to an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant during treatment.
See also: Pregnancy and breastfeeding warnings (in more detail)
It is not known whether dolasetron passes into breast milk or if it could harm a nursing baby. Tell your doctor if you are breast-feeding a baby.
Anzemet should not be given to a child younger than 2 years old.
How should I take Anzemet?
Take Anzemet exactly as prescribed by your doctor. Follow all directions on your prescription label. Do not take this medicine in larger or smaller amounts or for longer than recommended.
Anzemet is usually taken 1 hour before chemotherapy. Follow your doctor's instructions.
Store at room temperature away from moisture, heat, and light.
What happens if I miss a dose?
Tell your doctor if you forget to take your dose within 1 hour before chemotherapy. Do not take extra medicine to make up the missed dose.
What happens if I overdose?
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.
What should I avoid?
Follow your doctor's instructions about any restrictions on food, beverages, or activity.
Anzemet side effects
Get emergency medical help if you have any of these signs of an allergic reaction to Anzemet: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Call your doctor at once if you have:
a light-headed feeling, like you might pass out;
headache with chest pain and severe dizziness, fainting, fast or pounding heartbeats;
slow heart rate, weak pulse, slow breathing;
swelling in your hands or feet;
little or no urinating; or
high levels of serotonin in the body - agitation, hallucinations, fever, fast heart rate, overactive reflexes, nausea, vomiting, diarrhea, loss of coordination, fainting.
Common Anzemet side effects may include:
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
See also: Side effects (in more detail)
What other drugs will affect Anzemet?
There are many other medicines that can increase your risk of heart rhythm problems if you use them together with Anzemet.
Tell your doctor about all medicines you use, and those you start or stop using during your treatment with Anzemet, especially:
an antibiotic - azithromycin, clarithromycin, erythromycin, levofloxacin, moxifloxacin, pentamidine;
cancer medicine - arsenic trioxide, vandetanib;
an antidepressant - citalopram, escitalopram;
anti-malaria medication - chloroquine, halofantrine;
heart rhythm medicine - amiodarone, disopyramide, dofetilide, dronedarone, flecainide, ibutilide, quinidine, sotalol; or
medicine to treat a psychiatric disorder - chlorpromazine, haloperidol, pimozide, thioridazine.
This list is not complete. Other drugs may interact with Anzemet, including prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible interactions are listed in this medication guide.
More about Anzemet (dolasetron)
Related treatment guides
Where can I get more information?
- Your pharmacist can provide more information about Anzemet oral.
- Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use Anzemet only for the indication prescribed.
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