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Zofran, |Zofran

Zofran

Generic Name: ondansetron (on DAN se tron)
Brand Names: Zofran

What is ondansetron?

Ondansetron blocks the actions of chemicals in the body that can trigger nausea and vomiting.

Ondansetron is used to prevent nausea and vomiting that may be caused by surgery or by medicine to treat cancer (chemotherapy or radiation).

Ondansetron may also be used for purposes other than those listed in this medication guide.

What is the most important information I should know about ondansetron?

Before taking ondansetron, tell your doctor if you have liver disease, or a personal or family history of Long QT syndrome.

Ondansetron orally disintegrating tablets may contain phenylalanine. Tell your doctor if you have phenylketonuria (PKU).

What should I discuss with my health care provider before taking ondansetron?

Before taking ondansetron, tell your doctor if you are allergic to any drugs, or if you have:

• liver disease;

• a history of allergic reaction to any medicine; or

• a personal or family history of Long QT syndrome.

If you have any of these conditions, you may not be able to use ondansetron, or you may need a dosage adjustment or special tests during treatment.

Ondansetron orally disintegrating tablets may contain phenylalanine. Tell your doctor if you have phenylketonuria (PKU).

How should I take ondansetron?

Take this medication exactly as it was prescribed for you. Do not take the medication in larger amounts, or take it for longer than recommended by your doctor. Follow the directions on your prescription label.

Ondansetron can be taken with or without food.

To take ondansetron orally disintegrating tablet (Zofran ODT):

• Keep the tablet in its blister pack until you are ready to take the medicine. Open the package and peel back the foil from the tablet blister. Do not push a tablet through the foil or you may damage the tablet.

• Using dry hands, remove the tablet and place it in your mouth. It will begin to dissolve right away.

• Do not swallow the tablet whole. Allow it to dissolve in your mouth without chewing.

• Swallow several times as the tablet dissolves. If desired, you may drink liquid to help swallow the dissolved tablet.

Measure the liquid form of ondansetron with a special dose-measuring spoon or cup, not a regular table spoon. If you do not have a dose-measuring device, ask your pharmacist for one.

What happens if I miss a dose?

Take the missed dose as soon as you remember. If it is almost time for your next dose, skip the missed dose and take the medicine at your next regularly scheduled time. Do not take extra medicine to make up the missed dose.

What happens if I overdose?

Symptoms of an ondansetron overdose may include sudden loss of vision, severe constipation, feeling light-headed, or fainting.

What should I avoid while taking ondansetron?

Ondansetron side effects

• blurred vision or temporary blindness;

• fever;

• slow heart rate, trouble breathing;

• anxiety, agitation, shivering;

• feeling light-headed, fainting; or

• urinating less than usual or not at all.

Other less serious side effects are more likely to occur, such as:

• diarrhea or constipation;

• weakness or tired feeling;

• headache;

• dizziness or drowsiness;

Side effects other than those listed here may also occur. Talk to your doctor about any side effect that seems unusual or that is especially bothersome.

What other drugs will affect ondansetron?

Before receiving ondansetron, tell your doctor if you are using any of the following drugs:

• phenytoin (Dilantin), phenobarbital (Luminal);

• carbamazepine (Carbatrol, Tegretol);

• tramadol (Ultram); or

• rifampin (Rifadin, Rimactane, Rifater).

If you are using any of these drugs, you may not be able to use ondansetron, or you may need dosage adjustments or special tests during treatment.

There may be other drugs not listed that can affect ondansetron. Tell your doctor about all the prescription and over-the-counter medications you use. This includes vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start using a new medication without telling your doctor.

Where can I get more information?

• Your pharmacist has information about ondansetron written for health professionals that you may read.

What does my medication look like?

Ondansetron is available with a prescription under the brand name Zofran. Other brand or generic formulations may also be available. Ask your pharmacist any questions you have about this medication, especially if it is new to you.

• Zofran 4 mg--white, oval, film-coated tablets

• Zofran 8 mg--yellow, oval, film-coated tablets

• Zofran ODT Orally Disintegrating Tablets 4 mg-white, round tablets

• Zofran ODT Orally Disintegrating Tablets 8 mg-white, round tablets

• Zofran Oral Solution 4 mg/5 mL-clear, colorless to light yellow liquid with a strawberry odor

• Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.
• Every effort has been made to ensure that the information provided by Cerner Multum, Inc. ("Multum") is accurate, up-to-date, and complete, but no guarantee is made to that effect. Drug information contained herein may be time sensitive. Multum information has been compiled for use by healthcare practitioners and consumers in the United States and therefore Multum does not warrant that uses outside of the United States are appropriate, unless specifically indicated otherwise. Multum"s drug information does not endorse drugs, diagnose patients or recommend therapy. Multum"s drug information is an informational resource designed to assist licensed healthcare practitioners in caring for their patients and/or to serve consumers viewing this service as a supplement to, and not a substitute for, the expertise, skill, knowledge and judgment of healthcare practitioners. The absence of a warning for a given drug or drug combination in no way should be construed to indicate that the drug or drug combination is safe, effective or appropriate for any given patient. Multum does not assume any responsibility for any aspect of healthcare administered with the aid of information Multum provides. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the drugs you are taking, check with your doctor, nurse or pharmacist.