Teriflunomide - oral
Teriflunomide - oral
Teriflunomide must not be used during pregnancy because it may cause serious harm (such as birth defects, death) in an unborn baby. Women of childbearing age must have a negative pregnancy test before starting this medication. Men and women must use reliable forms of birth control (such as condoms, birth control pills) while taking teriflunomide and for as long as directed by your doctor to prevent pregnancy. After stopping treatment with teriflunomide, your doctor may prescribe a different drug to help speed up the removal of teriflunomide from your body. If you become pregnant or think you may be pregnant or cause a pregnancy, tell your doctor right away. (See also How to Use and Precautions sections.)
This drug may rarely cause serious (possibly fatal) liver disease. Careful monitoring by your doctor may help decrease your risk. Your doctor will perform liver function tests before you start treatment and once a month for at least the first 6 months of treatment. Tell your doctor right away if you notice nausea/vomiting that doesn't stop, dark urine, loss of appetite, stomach/abdominal pain, or yellowing eyes/skin.
This medication is used to treat multiple sclerosis-MS. It is not a cure for MS but is thought to work by decreasing certain immune system cells (lymphocytes) which can attack the nerves in your brain and spinal cord. This helps decrease the number of flare-ups (relapses) and may help slow down physical problems caused by MS.
Read the Medication Guide provided by your pharmacist before you start taking teriflunomide 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 once daily. The dosage is based on your medical condition and response to treatment.
Take this medication regularly to get the most benefit from it. To help you remember, take it at the same time each day.
After treatment is stopped, your doctor may prescribe a different drug (cholestyramine or activated charcoal powder) to help speed up the removal of teriflunomide from your body. This may be used if you have severe side effects, or if you are a woman of childbearing age, or a man planning to father a child. Otherwise, teriflunomide can stay in your body for as long as 2 years after stopping treatment. Consult your doctor or pharmacist for more details.
Tell your doctor if your symptoms do not improve or if they worsen.
Diarrhea, nausea, or tingling/burning/numbness/prickling feelings in your skin may occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.
Temporary hair loss may occur. Normal hair growth should return after treatment has ended.
Tell your doctor right away if you have any serious side effects, including:
This medication may raise your blood pressure. Check your blood pressure regularly and tell your doctor if the results are high.
This medication may lower your ability to fight infections. This may make you more likely to get a serious (rarely fatal) infection or make any infection you have worse. Get medical help right away if you have any signs of infection (such as sore throat that doesn't go away, fever, chills, cough, swollen lymph nodes).
Teriflunomide can cause a mild rash that is usually not serious. However, you may not be able to tell it apart from a rare rash that could be a sign of a severe allergic reaction. Therefore, get medical help right away if you develop any rash.
In the US -
Before taking teriflunomide, tell your doctor or pharmacist if you are allergic to it; or to leflunomide; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
Before using this medication, tell your doctor or pharmacist your medical history, especially of:
Teriflunomide can make you more likely to get infections or may worsen any current infections. Therefore, wash your hands well to prevent the spread of infection. Avoid contact with people who have infections that may spread to others (such as chickenpox, measles, flu). Consult your doctor if you have been exposed to an infection or for more details.
Do not have immunizations/vaccinations without the consent of your doctor. Avoid contact with people who have recently received live vaccines (such as flu vaccine inhaled through the nose).
To lower the chance of getting cut, bruised, or injured, use caution with sharp objects like razors and nail cutters, and avoid activities such as contact sports.
Teriflunomide may pass into the semen of men treated with this medication and the effects on sperm are unknown. Men not wishing to father a child with their female partners should use reliable birth control (such as condoms). After stopping this medication, men wishing to father a child should take a different drug as prescribed by the doctor to speed up removal of teriflunomide from the body. (See also How to Use section.)
This medication must not be used during pregnancy. It may harm an unborn baby. Before starting this medication, women of childbearing age must have a negative pregnancy test. Discuss the use of reliable forms of birth control (such as birth control pills, intrauterine device-IUD) with your doctor. If you become pregnant or think you may be pregnant, tell your doctor right away. See also Warning section.
This drug may pass into breast milk and could have undesirable effects on a nursing infant. Therefore, breast-feeding while using this drug is not recommended. Consult your doctor before breast-feeding.
Because leflunomide (used to treat rheumatoid arthritis) is very similar to this medication, do not take it while you are taking teriflunomide.
If someone has overdosed and has serious symptoms such as passing out or trouble breathing, call 911. Otherwise, call a poison control center right away. US residents can call their local poison control center at 1-800-222-1222. Canada residents can call a provincial poison control center.
Do not share this medication with others.
Laboratory and/or medical tests (such as tuberculosis skin test, kidney/liver function, complete blood counts, blood pressure, potassium blood levels) should be performed before you start treatment, and periodically to monitor your progress or check for side effects. If you are prescribed a different drug to help speed up the removal of teriflunomide after stopping treatment, your doctor may also check your blood levels of teriflunomide (see also How to Use section). Keep all regular medical and laboratory appointments.
If you miss a dose, take it as soon as you remember. If it is near the time of the next dose, skip the missed dose. Take your next dose at the regular time. Do not double the dose to catch up.
Store at room temperature away from light and moisture. Do not store in the bathroom. Keep all medications away from children and pets.
Your condition can cause complications in a medical emergency. For information about enrolling in MedicAlert, call 1-888-633-4298 (US) or 1-800-668-1507 (Canada).
Information last revised September 2019.
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