Call your doctor for medical advice about side effects. Ondansetron may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be alert.
Use Ondansetron Zofran exactly as directed on the label, or as prescribed by your doctor. Do not use in larger or smaller amounts or for longer than recommended. Follow all directions on your prescription label. Do not take this medicine in larger or smaller amounts or for longer than recommended. The first dose of ondansetron is usually taken before the start of your surgery, chemotherapy, or radiation treatment.
Follow your doctor's dosing instructions very carefully. Measure liquid medicine with the dosing syringe provided, or with a special dose-measuring spoon or medicine cup. If you do not have a dose-measuring device, ask your pharmacist for one. Store at room temperature away from moisture, heat, and light.
Store liquid medicine in an upright position. Take the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose.
Do not take extra medicine to make up the missed dose. Overdose symptoms may include sudden loss of vision, severe constipation, feeling light-headed, or fainting. Ondansetron is sometimes used off-label to prevent nausea and vomiting due to pregnancy or the stomach flu. Some early research has suggested the medicine may also play a role in helping the following conditions:. Health Topics. Health Tools. Ondansetron Zofran. Reviewed: November 16, You should not use ondansetron if: you are also using apomorphine Apokyn ; or you are allergic to ondansetron or similar medicines dolasetron, granisetron, palonosetron.
To make sure ondansetron is safe for you, tell your doctor if you have: liver disease; an electrolyte imbalance such as low levels of potassium or magnesium in your blood ; congestive heart failure, slow heartbeats; a personal or family history of long QT syndrome; or a blockage in your digestive tract stomach or intestines. Side Effects. Side Effects What are the side effects of Ondansetron Zofran? Call your doctor at once if you have: severe constipation, stomach pain, or bloating; headache with chest pain and severe dizziness, fainting, fast or pounding heartbeats; fast or pounding heartbeats; jaundice yellowing of the skin or eyes ; blurred vision or temporary vision loss lasting from only a few minutes to several hours ; high levels of serotonin in the body --agitation, hallucinations, fever, fast heart rate, overactive reflexes, nausea, vomiting, diarrhea, loss of coordination, fainting.
Common side effects may include: diarrhea or constipation; headache; drowsiness; or tired feeling. Based on FDA pregnancy categories. If the victim has collapsed, had a seizure, has trouble breathing, or can't be awakened, immediately call emergency services at Do not let anyone else take your medication.
Ask your pharmacist any questions you have about refilling your prescription. It is important for you to keep a written list of all of the prescription and nonprescription over-the-counter medicines you are taking, as well as any products such as vitamins, minerals, or other dietary supplements. You should bring this list with you each time you visit a doctor or if you are admitted to a hospital. It is also important information to carry with you in case of emergencies. Ondansetron pronounced as on dan' se tron.
Why is this medication prescribed? How should this medicine be used? Other uses for this medicine What special precautions should I follow? What special dietary instructions should I follow?
What should I do if I forget a dose? What side effects can this medication cause? What should I know about storage and disposal of this medication? Brand names. Do not chew the film. Other uses for this medicine. What special precautions should I follow? Before taking ondansetron, tell your doctor and pharmacist if you are allergic to ondansetron, alosetron Lotronex , dolasetron Anzemet , granisetron Kytril , palonosetron Aloxi, in Akynzeo , any other medications, or any of the ingredients in ondansetron products.
Ask your pharmacist for a list of the ingredients. Your doctor will probably tell you not to take ondansetron if you are receiving this medication. Be sure to mention any of the following: certain medications for seizures such as carbamazepine Carbatrol, Epitol, Equetro, Tegretol or phenytoin Dilantin ; clarithromycin Biaxin, in Prevpac ; erythromycin E. Your doctor may need to change the doses of your medications or monitor you more carefully for side effects.
Many other medications may also interact with ondansetron, so be sure to tell your doctor about all the medications you are taking, even those that do not appear on this list. If you become pregnant while taking ondansetron, call your doctor. Unless your doctor tells you otherwise, continue your usual diet. Ondansetron may cause side effects.
Tell your doctor if any of these symptoms are severe or do not go away: headache constipation weakness tiredness chills drowsiness Some side effects can be serious. If you experience any of the following symptoms, call your doctor immediately or seek emergency medical treatment: blurred vision or vision loss rash hives itching swelling of the eyes, face, lips, tongue, throat, hands, feet, ankles, or lower legs hoarseness difficulty breathing or swallowing chest pain shortness of breath dizziness, light-headedness, or fainting fast, slow or irregular heartbeat agitation hallucinations seeing things or hearing voices that do not exist fever excessive sweating confusion nausea, vomiting, or diarrhea loss of coordination stiff or twitching muscles seizures coma loss of consciousness Ondansetron may cause other side effects.
Symptoms of overdose may include: sudden loss of vision for a short time dizziness or lightheadedness fainting constipation irregular heart beat. What other information should I know?
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