This medication is utilized alone or with other medications to prevent vomiting and nausea caused by cancer drug treatment (chemotherapy) and radiation therapy. It is also used to prevent and treat vomiting and nausea after surgery. It works by blocking one of the body's normal substances (serotonin) that causes vomiting.
To prevent nausea from chemotherapy, take this medication by lips usually within half an hour before therapy begins. To prevent nausea from radiation treatment, take this medication by lips 1 or 2 hours ahead of the start of your treatment. To prevent nausea after surgery, take ondansetron by mouth one hour before the start of surgery. This medication may be taken with or without food. However, your doctor may let you know not to ever eat before chemotherapy, radiation, or surgery.
If you are making use of the liquid kind 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.
Take any other doses as directed by your medical professional. Ondansetron may be taken on to three 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 relies on your condition that is medical and to therapy. The dosage for children may also be based on age and weight. The usual dose that is maximum patients with severe liver problems is 8 milligrams in 24 hours. Take this medication exactly as directed. Do not take more medication or take it more often than prescribed. Ask your doctor or pharmacist in the event that you have actually concerns.
Inform your physician if your condition does maybe not improve or if it worsens.
Headache, lightheadedness, dizziness, drowsiness, tiredness, or constipation may occur. If these effects persist or worsen, notify your medical practitioner quickly.
Understand that your physician has prescribed 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 adverse that is serious.
Tell your doctor right away if any of these unlikely but serious adverse effects occur: stomach pain, muscle tissue spasm/stiffness, vision changes (e.g., temporary lack of vision, blurred vision).
Get help that is medical away if some of these rare but very severe adverse effects occur: chest pain, slow/fast/irregular heartbeat, severe dizziness, fainting.
This medication may increase serotonin and rarely cause a very condition that is serious serotonin syndrome/toxicity. The risk increases you take (see Drug Interactions section) if you are also taking other drugs that increase serotonin, so tell your doctor or pharmacist of all the drugs. Get medical help right away if you develop some associated with the following symptoms: fast heartbeat, hallucinations, loss of coordination, severe dizziness, severe nausea/vomiting/diarrhea, twitching muscles, unexplained fever, unusual agitation/restlessness.
a very serious reaction that is allergic this drug is unlikely, but stop taking this medication and seek immediate medical attention if it occurs. Symptoms of a serious allergic reaction include: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.
That is not a complete list of possible side effects. If you notice other effects not listed above, contact your pharmacist or doctor.
In the united states -
Call your doctor for medical advice about adverse effects. You may report adverse effects to Food And Drug Administration at 1-800-FDA-1088 or at www.fda.gov/medwatch.
In Canada - Call your medical professional for medical advice about part effects. You may report effects that are side wellness Canada at 1-866-234-2345.
Before taking ondansetron, tell 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. This product may contain ingredients that are inactive which can cause allergic responses or other problems. Speak to your pharmacist for more information.
Before using this medication, tell your physician or pharmacist your medical history, particularly of: irregular heartbeat, liver infection, stomach/intestinal problems (age.g., recent abdominal surgery, ileus, swelling).
Ondansetron could cause a disorder that affects the heart rhythm (QT prolongation). QT prolongation can hardly ever cause serious (rarely deadly) fast/irregular heartbeat and other signs (such as for instance severe dizziness, fainting) that need medical attention right away.
The chance of QT prolongation may be increased if you have certain conditions that are medical are taking other drugs that could cause QT prolongation. Before using ondansetron, tell your physician or pharmacist of all of the drugs you are taking and if you have any of the next conditions: certain heart problems (heart failure, sluggish heartbeat, QT prolongation in the EKG), family history of certain heart problems (QT prolongation in the EKG, sudden cardiac death).
Lower levels of potassium or magnesium in the bloodstream may also increase your risk of QT prolongation. This risk may increase if you have conditions such as severe sweating, diarrhea, or vomiting if you use certain drugs (such as diuretics/"water pills") or. Talk to your doctor about using ondansetron safely.
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 alcoholic beverages.
To attenuate dizziness and lightheadedness, get fully up slowly when increasing from a sitting or position that is lying.
Older adults may be more sensitive to the medial side effects of this medication, especially QT prolongation (see above).
This medication must be used only once clearly needed during pregnancy. Talk about the risks and benefits 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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Airmail: 2-3 business weeks, EMS: 3-8 business days.