This medication is utilized alone or with other medications to avoid nausea and vomiting caused by cancer drug treatment (chemotherapy) and radiation therapy. It is also used to prevent and treat vomiting and nausea after surgery. It really works by blocking certainly one of the body's natural substances (serotonin) that causes sickness.
To prevent sickness from chemotherapy, take this medication by lips usually within 30 minutes before therapy begins. To avoid nausea from radiation treatment, take this medication by lips 1 or 2 hours prior to the begin of your therapy. To prevent nausea after surgery, take ondansetron by mouth one hour before the start of surgery. This medicine might be taken with or without food. However, your doctor may inform you never to consume before chemotherapy, radiation, or surgery.
If you are making use of the liquid form of this medication, use a measuring that is special or device to measure out your prescribed dose. Do not use a household spoon because you may not get the correct dose.
Take any other doses as directed by your physician. Ondansetron might be taken on to 3 times a for 1 to 2 days after your chemotherapy or radiation treatment is finished day. It regularly in order to get the most benefit from it if you are taking this medication on a prescribed schedule, take. To help you remember, take it at the same times each day.
Dosage is based on your medical condition and response to therapy. The dosage for children may also be based on age and weight. The usual maximum dose in patients with severe liver problems is 8 milligrams in 24 hours. Take this medication exactly as directed. Do not take more medication or often take it more than prescribed. Ask your doctor or pharmacist in the event that you have concerns.
Inform your doctor if your condition does perhaps not improve or if it worsens.
Headache, lightheadedness, dizziness, drowsiness, tiredness, or constipation may occur. If these effects persist or worsen, notify your doctor immediately.
Keep in mind that your doctor has recommended this medicine she has judged that the benefit to you is greater than the risk of adverse effects because he or. Many people using this medication do not have serious adverse effects.
Tell your doctor right away if any of these not likely but serious adverse effects occur: stomach pain, muscle spasm/stiffness, eyesight changes (e.g., temporary loss of eyesight, blurred vision).
Get medical help right away if any of these unusual but very serious side effects occur: chest pain, slow/fast/irregular heartbeat, severe dizziness, fainting.
This medication may increase serotonin and seldom cause a very condition that is serious serotonin syndrome/toxicity. The risk increases if you are also taking other drugs that increase serotonin, so tell 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 after symptoms: fast heartbeat, hallucinations, loss in coordination, severe dizziness, severe nausea/vomiting/diarrhea, twitching muscles, unexplained fever, unusual agitation/restlessness.
a really serious allergic reaction to this drug is unlikely, but stop taking this medication and seek immediate medical attention if it occurs. Symptoms of a serious reaction that is allergic: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.
This really is not a complete list of possible side effects. If you notice other effects not listed above, contact your pharmacist or doctor.
In the US -
Call your doctor for medical advice about negative effects. You may report effects that are side FDA at 1-800-FDA-1088 or at www.fda.gov/medwatch.
In Canada - Call your doctor for medical advice about part impacts. You may report effects that are side Health Canada at 1-866-234-2345.
Before taking ondansetron, tell your physician or pharmacist if you are allergic to it; or to other serotonin blockers (e.g., granisetron); or if you have any other allergies. This product may contain inactive ingredients, which could cause allergic reactions or other problems. Speak to your pharmacist for more information.
Before using this medication, tell your doctor or pharmacist your medical history, especially of: irregular heartbeat, liver condition, stomach/intestinal issues (age.g., present abdominal surgery, ileus, swelling).
Ondansetron might cause an ailment that affects the heart rhythm (QT prolongation). QT prolongation can hardly ever cause severe (rarely deadly) fast/irregular heartbeat and other signs (such as for example severe dizziness, fainting) that want medical attention immediately.
The danger of QT prolongation could be increased if you have certain conditions that are medical are taking other drugs that will cause QT prolongation. Before using ondansetron, tell your physician or pharmacist of all the medications you are taking and if you have any of the next conditions: certain heart problems (heart failure, sluggish heartbeat, QT prolongation into the EKG), family history of particular heart problems (QT prolongation in the EKG, sudden cardiac death).
Low levels of potassium or magnesium in the blood may also increase your risk of QT prolongation. 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. Speak to your doctor about using ondansetron properly.
This drug may make you dizzy or drowsy. Do not drive, use machinery, or do any activity that requires alertness you can perform such activities safely until you are sure. Limit beverages that are alcoholic.
To reduce dizziness and lightheadedness, get up slowly whenever increasing from a sitting or lying position.
Older adults may be more sensitive to the medial side ramifications of this medication, especially QT prolongation (see above).
This medication ought to be used only when clearly needed during pregnancy. Discuss the risks and benefits along with your doctor.
It's not understood whether this drug passes into breast milk. Check with your doctor before breast-feeding.
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