This medication is utilized alone or with other medications to stop vomiting and nausea caused by cancer drug treatment (chemotherapy) and radiation therapy. It is also used to prevent and treat nausea and vomiting after surgery. It really works by blocking one of the body's normal substances (serotonin) that causes nausea.
To prevent sickness from chemotherapy, take this medicine by mouth usually within thirty minutes before therapy starts. To prevent nausea from radiation treatment, take this medicine by mouth one to two hours ahead of the start of your therapy. To prevent sickness after surgery, take ondansetron by mouth one hour before the beginning of surgery. This medication may be taken with or without food. However, your doctor might inform you never to consume before chemotherapy, radiation, or surgery.
If you're using the liquid type 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 dose that is correct.
Take any other doses as directed by your physician. Ondansetron can be taken up to three times a for 1 to 2 days after your chemotherapy or radiation treatment is finished day. If you are taking this medication on a prescribed schedule, take it regularly in order to get the most benefit from it. 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 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 often take it more than prescribed. Pose a question to your pharmacist or doctor in the event that you have concerns.
Inform your doctor 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 doctor promptly.
Remember that your medical practitioner has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of adverse effects. Many people using this medication do not have adverse that is serious.
Tell your doctor right away if any of the unlikely but severe negative effects occur: stomach pain, muscle mass spasm/stiffness, vision modifications (age.g., temporary loss in eyesight, blurred vision).
Get help that is medical away if some of these uncommon but very severe side effects occur: chest pain, slow/fast/irregular heartbeat, serious dizziness, fainting.
This medication may increase serotonin and rarely 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.
an extremely severe 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), serious dizziness, trouble breathing.
This is certainly not a complete list of possible adverse effects. If you notice other effects not listed above, contact your doctor or pharmacist.
In the US -
Call your doctor for medical advice about negative effects. You may report side effects to Food And Drug Administration at 1-800-FDA-1088 or at www.fda.gov/medwatch.
In Canada - Call your physician for medical advice about side effects. You may report adverse effects to wellness Canada at 1-866-234-2345.
Before taking ondansetron, tell your physician or pharmacist if you have any other allergies if you are allergic to it; or to other serotonin blockers (e.g., granisetron); or. This product may contain inactive ingredients, that may cause allergic reactions or other problems. Speak to your pharmacist for more information.
Before using this medication, tell your physician or pharmacist your medical background, specially of: irregular heartbeat, liver infection, stomach/intestinal issues (age.g., current abdominal surgery, ileus, swelling).
Ondansetron might cause an ailment that affects the heart rhythm (QT prolongation). QT prolongation can seldom cause severe (rarely deadly) fast/irregular heartbeat and other signs (such as for example severe dizziness, fainting) that want medical attention right away.
The risk of QT prolongation can be increased if you have actually certain conditions that are medical are taking other drugs that may cause QT prolongation. Before using ondansetron, tell your doctor or pharmacist of all of the drugs you take and if you have any of the next conditions: certain heart related illnesses (heart failure, slow heartbeat, QT prolongation in the EKG), family history of certain heart problems (QT prolongation in the EKG, sudden cardiac death).
Low levels of potassium or magnesium into the blood 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. Communicate with your doctor about using ondansetron properly.
This drug might 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 minimize dizziness and lightheadedness, get fully up slowly when rising from a sitting or lying position.
Older adults may be more sensitive to the medial side effects of this drug, especially QT prolongation (see above).
This medication should be used only if clearly required during pregnancy. Talk about the risks and benefits together with your doctor.
It's not understood whether this drug passes into breast milk. Consult your doctor before breast-feeding.
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