WebMD Update: This drug is no longer available in the US. Learn More
Fenfluramine may cause heart valve problems (valvular heart disease) and high blood pressure in the lungs (pulmonary arterial hypertension). Medical tests (such as echocardiograms) must be done before, during, and after treatment with this medication. Tell your doctor right away if you have symptoms of these serious side effects, including: shortness of breath, chest pain, fast/irregular heartbeat, lightheadedness, fainting, swelling ankles/feet.
For patients to receive this medication, all doctors, pharmacists, and patients must agree to, understand, and carefully follow the requirements of the Fintepla REMS Program. These requirements apply in the United States. If you live in Canada or any other country, consult your doctor and pharmacist for your country's regulations.
Fenfluramine is used to help control seizures in people with Dravet syndrome.
How to use Fenfluramine 2.2 Mg/Ml Oral Solution
Read the Medication Guide and, if available, the Instructions for Use provided by your pharmacist before you start using fenfluramine and each time you get a refill. If you have any questions, ask your doctor or pharmacist.
Take this medication by mouth with or without food as directed by your doctor, usually twice daily. Carefully measure the dose using the provided measuring device. Do not use a household spoon because you may not get the correct dose.
The dosage is based on your medical condition, weight, response to treatment, and other medications you may be taking. Be sure to tell your doctor and pharmacist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products).
To reduce your risk of side effects, your doctor may direct you to start this medication at a low dose and gradually increase your dose. Follow your doctor's instructions carefully. Take this medication regularly to get the most benefit from it. To help you remember, take it at the same times each day.
Do not stop taking this medication without consulting your doctor. Some conditions may become worse when this drug is suddenly stopped. Your dose may need to be gradually decreased.
Tell your doctor if your condition does not get better or if it gets worse.
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CONDITIONS OF USE: The information in this database is intended to supplement, not substitute for, the expertise and judgment of healthcare professionals. 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. A healthcare professional should be consulted before taking any drug, changing any diet or commencing or discontinuing any course of treatment.