To help you remember, take it at the same times each day. Ondansetron may be taken up to 3 times a day for 1 to 2 days after your chemotherapy or radiation treatment is finished. If you are taking this medication on a prescribed schedule, take it regularly in order to get the most benefit from it. Take any other doses as directed by your doctor.
To minimize dizziness and lightheadedness, get up slowly when rising from a sitting or lying position.
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In the US.
Consult your doctor before breast -feeding. It is not known whether this drug passes into breast milk.
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Ask your doctor or pharmacist for more details.
The risk of QT prolongation may be increased if you have certain medical conditions or are taking other drugs that may cause QT prolongation. Before using ondansetron, l your doctor or pharmacist of all the drugs you take and if you have any of the following conditions: certain heart problems ( heart failure, slow heartbeat, QT prolongation in the EKG ), family history of certain heart problems (QT prolongation in the EKG, sudden cardiac death).
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Inform your doctor if your condition does not improve or if it worsens.
Otherwise, call a poison control center right away. If someone has overdosed and has serious symptoms such as passing out or trouble breathing, call 911. US residents can call their local poison control center at. Canada residents can call a provincial poison control center.
Many drugs besides ondansetron may affect the heart rhythm (QT prolongation), including dofetilide, pimozide, procainamide, amiodarone, quinidine, sotalol, macrolide antibiotics (such as erythromycin ), among others. Therefore, before using ondansetron, report all medications you are currently using to your doctor or pharmacist.
If you are using the liquid form of this medication, use a special measuring spoon or device to measure out your prescribed dose. Do not use a household spoon because you may not get the correct dose.
GENERIC NAME(S): Ondansetron Hcl.
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Tablets may be stored in the refrigerator or at room temperature between 36-86 degrees F (2-30 degrees C). Store the liquid form at room temperature between 59-86 degrees F (15-30 degrees C).
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John's wort, certain antidepressants (including SSRIs such as fluoxetine /paroxetine, SNRIs such as duloxetine / venlaine ), among others. The risk of serotonin syndrome /toxicity increases if you are also taking other drugs that increase serotonin. Examples include street drugs such as MDMA/"ecstasy," St. The risk of serotonin syndrome/toxicity may be more likely when you start or increase the dose of these drugs.
Consult your doctor for more details. Laboratory and/or medical tests (such as EKG ) should be performed periodically to monitor your progress or check for side effects.
Our pill identification tool will display pictures that you can compare to your pill. Enter the shape, color, or imprint of your prescription or OTC drug.
To prevent nausea after surgery, take ondansetron by mouth 1 hour before the start of surgery. To prevent nausea from radiation treatment, take this medication by mouth 1 to 2 hours before the start of your treatment. However, your doctor may l you not to eat before chemotherapy, radiation, or surgery. This medication may be taken with or without food. To prevent nausea from chemotherapy, take this medication by mouth usually within 30 minutes before treatment begins.
The risk increases if you are also taking other drugs that increase serotonin, so l your doctor or pharmacist of all the drugs you take (see Drug Interactions section). Get medical help right away if you develop some of the following symptoms: fast heartbeat, hallucinations, loss of coordination, severe dizziness, severe nausea / vomiting / diarrhea, twitching muscles, unexplained fever, unusual agitation/restlessness. This medication may increase serotonin and rarely cause a very serious condition called serotonin syndrome /toxicity.
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Dosage is based on your medical condition and response to therapy. Ask your doctor or pharmacist if you have questions. Take this medication exactly as directed. The usual maximum dose in patients with severe liver problems is 8 milligrams in 24 hours. The dosage for children may also be based on age and weight. Do not take more medication or take it more often than prescribed.
Get medical help right away if any of these rare but very serious side effects occur: chest pain, slow/fast/ irregular heartbeat, severe dizziness, fainting.
l your doctor right away if any of these unlikely but serious side effects occur: stomach pain, muscle spasm /stiffness, vision changes (e.g., temporary loss of vision, blurred vision ).
Keep a list of all your medications with you, and share the list with your doctor and pharmacist. Therefore, before using this product, l your doctor or pharmacist of all the products you use. This document does not contain all possible interactions.
Do not start, stop or change the dosage of any medicine before checking with them first. Your healthcare professionals (e.g., doctor or pharmacist ) may already be aware of any possible drug interactions and may be monitoring you for them.
If you are currently using the medication listed above, l your doctor or pharmacist before starting ondansetron.
Do not flush medications down the toilet or pour them into a drain unless instructed to do so. Consult your pharmacist or local waste disposal company for more details about how to safely discard your product.Information last revised July 2016. 2016 First Databank, Inc. Properly discard this product when it is expired or no longer needed.
Ondansetron may cause a condition that affects the heart rhythm (QT prolongation). QT prolongation can rarely cause serious (rarely fatal) fast/irregular heartbeat and other symptoms (such as severe dizziness, fainting ) that need medical attention right away.
If these effects persist or worsen, notify your doctor promptly. Headache, lightheadedness, dizziness, drowsiness, tiredness, or constipation may occur.
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You may report side effects to FDA at 1-800-FDA-1088 or at www.fda.gov/medwatch. Call your doctor for medical advice about side effects.
Before using this medication, l your doctor of all nonprescription and prescription medication you may use, especially of: tramadol.
Do not store in the bathroom. Store away from light and moisture. Keep all medicines out of reach of children and pets.
Older adults may be more sensitive to the side effects of this drug, especially QT prolongation (see above).
Do not share this product with others.
This drug should not be used with the following medication because a very serious interaction may occur: apomorphine.
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This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.
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Limit alcoholic beverages. This drug may make you dizzy or drowsy. Do not drive, use machinery, or do any activity that requires alertness until you are sure you can perform such activities safely.
In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at.
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Talk to your doctor about using ondansetron safely. This risk may increase if you use certain drugs (such as diuretics /" water pills ") or if you have conditions such as severe sweating, diarrhea, or vomiting. Low levels of potassium or magnesium in the blood may also increase your risk of QT prolongation.
This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details. Before taking ondansetron, l your doctor or pharmacist if you are allergic to it; or to other serotonin blockers (e.g., granisetron ); or if you have any other allergies.
Many people using this medication do not have serious side effects. Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects.
It works by blocking one of the body's natural substances (serotonin) that causes vomiting. It is also used to prevent and treat nausea and vomiting after surgery. This medication is used alone or with other medications to prevent nausea and vomiting caused by cancer drug treatment ( chemotherapy ) and radiation therapy.
Discuss the risks and benefits with your doctor. This medication should be used only when clearly needed during pregnancy.
If you miss a dose, take it as soon as remembered unless it is near the time for the next dose. Do not double the dose to catch up. Try to take each dose at the scheduled time. In that case, skip the missed dose and resume your usual dosing schedule.
Symptoms of a serious allergic reaction include: rash, itching /swelling (especially of the face/ tongue /throat), severe dizziness, trouble breathing. A very serious allergic reaction to this drug is unlikely, but stop taking this medication and seek immediate medical attention if it occurs.
Before using this medication, l your doctor or pharmacist your medical history, especially of: irregular heartbeat, liver disease, stomach /intestinal problems (e.g., recent abdominal surgery, ileus, swelling).
CONDITIONS OF USE: The information in this database is intended to supplement, not substitute for, the expertise and judgment of healthcare professionals. A healthcare professional should be consulted before taking any drug, changing any diet or commencing or discontinuing any course of treatment. The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects, nor should it be construed to indicate that use of a particular drug is safe, appropriate or effective for you or anyone else.
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