teriflunomide (Oral route)
Severe liver injury, including fatal liver failure, has been reported in patients receiving leflunomide, and a similar risk is expected with teriflunomide. Teriflunomide use is contraindicated in patients with severe hepatic impairment. Concomitant use with other hepatotoxic drugs may increase the risk of liver injury. Monitoring is recommended and discontinuation of therapy, including an accelerated elimination procedure, is advised if liver injury is suspected. Teriflunomide may cause major birth defects if used during pregnancy. Pregnancy must be excluded before starting treatment with teriflunomide. Teriflunomide is contraindicated in pregnant women or women of childbearing potential who are not using reliable contraception. Pregnancy must be avoided during teriflunomide treatment or prior to the completion of the drug elimination procedure after treatment; advise women to use reliable contraception. Discontinue teriflunomide and use an accelerated drug elimination procedure if pregnancy occurs .
Commonly used brand name(s)
In the U.S.
Available Dosage Forms:
Therapeutic Class: Central Nervous System Agent
Pharmacologic Class: Dihydroorotate Dehydrogenase Inhibitor
Uses For teriflunomide
Teriflunomide is used to treat the relapsing forms of multiple sclerosis (MS). teriflunomide will not cure MS, but it may slow some disabling effects and decrease the number of relapses of the disease.
teriflunomide is available only with your doctor's prescription.
Before Using teriflunomide
In deciding to use a medicine, the risks of taking the medicine must be weighed against the good it will do. This is a decision you and your doctor will make. For teriflunomide, the following should be considered:
Tell your doctor if you have ever had any unusual or allergic reaction to teriflunomide or any other medicines. Also tell your health care professional if you have any other types of allergies, such as to foods, dyes, preservatives, or animals. For non-prescription products, read the label or package ingredients carefully.
Appropriate studies have not been performed on the relationship of age to the effects of teriflunomide in the pediatric population. Safety and efficacy have not been established.
Appropriate studies have not been performed on the relationship of age to the effects of teriflunomide in patients over the age of 65 years. Safety and efficacy have not been established.
There are no adequate studies in women for determining infant risk when using this medication during breastfeeding. Weigh the potential benefits against the potential risks before taking this medication while breastfeeding.
Interactions with Medicines
Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. When you are taking teriflunomide, it is especially important that your healthcare professional know if you are taking any of the medicines listed below. The following interactions have been selected on the basis of their potential significance and are not necessarily all-inclusive.
Using teriflunomide with any of the following medicines is not recommended. Your doctor may decide not to treat you with this medication or change some of the other medicines you take.
Using teriflunomide with any of the following medicines is usually not recommended, but may be required in some cases. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines.
- Adenovirus Vaccine Type 4, Live
- Adenovirus Vaccine Type 7, Live
- Bacillus of Calmette and Guerin Vaccine, Live
- Influenza Virus Vaccine, Live
- Measles Virus Vaccine, Live
- Mumps Virus Vaccine, Live
- Poliovirus Vaccine, Live
- Rotavirus Vaccine, Live
- Rubella Virus Vaccine, Live
- Smallpox Vaccine
- Typhoid Vaccine
- Varicella Virus Vaccine
- Yellow Fever Vaccine
Interactions with Food/Tobacco/Alcohol
Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using alcohol or tobacco with certain medicines may also cause interactions to occur. Discuss with your healthcare professional the use of your medicine with food, alcohol, or tobacco.
Other Medical Problems
The presence of other medical problems may affect the use of teriflunomide. Make sure you tell your doctor if you have any other medical problems, especially:
- Bone marrow problems or
- Carpal tunnel syndrome or
- Hyperkalemia (high potassium in the blood) or
- Hypertension (high blood pressure) or
- Liver disease or
- Lung disease (eg, acute interstitial pneumonitis, interstitial lung disease) or
- Peripheral neuropathy (nerve problem) or
- Tuberculosis, history of or
- Weak immune system—Use with caution. May make these conditions worse.
- Diabetes—May increase risk of having nerve problems.
- Infection, active—Should be treated first before starting teriflunomide.
- Kidney disease—Use with caution. The effects may be increased because of slower removal of the medicine from the body.
- Liver disease, severe—Should not be used in patients with this condition.
Proper Use of teriflunomide
Take teriflunomide exactly as directed by your doctor. Do not suddenly stop using it, do not use more of it, do not use it more often, and do not use it for a longer time than your doctor ordered. To do so may increase the chance of side effects.
teriflunomide should come with a Medication Guide. It is very important that you read and understand this information. Be sure to ask your doctor about anything you do not understand.
You may take this with or without food.
Teriflunomide may stay in your blood for up to 2 years after your treatment. Your doctor may want you to use activated charcoal or cholestyramine (Questran®) to help remove teriflunomide from the body much faster if necessary. Talk to your doctor if you have questions about this.
The dose of teriflunomide will be different for different patients. Follow your doctor's orders or the directions on the label. The following information includes only the average doses of teriflunomide. If your dose is different, do not change it unless your doctor tells you to do so.
The amount of medicine that you take depends on the strength of the medicine. Also, the number of doses you take each day, the time allowed between doses, and the length of time you take the medicine depend on the medical problem for which you are using the medicine.
- For oral dosage form (tablets):
- For multiple sclerosis:
- Adults—7 or 14 milligrams (mg) once a day.
- Children—Use and dose must be determined by your doctor.
- For multiple sclerosis:
If you miss a dose of teriflunomide, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not double doses.
Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Keep from freezing.
Keep out of the reach of children.
Do not keep outdated medicine or medicine no longer needed.
Ask your healthcare professional how you should dispose of any medicine you do not use.
Precautions While Using teriflunomide
It is very important that your doctor check your progress at regular visits to make sure that teriflunomide is working properly. Blood and urine tests may be needed to check for unwanted effects.
Using teriflunomide while you are pregnant can harm your unborn baby. Use an effective form of birth control to keep from getting pregnant. If you think you have become pregnant while using the medicine, tell your doctor right away.
Teriflunomide may also cause birth defects if the father is using it when his sexual partner becomes pregnant. Men taking teriflunomide should use condoms as a form of birth control during sexual intercourse. A man intending to father a child should stop taking teriflunomide and check with his doctor right away.
Do not use teriflunomide together with leflunomide (Arava®). Using these medicines together may cause serious unwanted effects.
Check with your doctor right away if you have pain or tenderness in the upper stomach, pale stools, dark urine, loss of appetite, nausea, unusual tiredness or weakness, or yellow eyes or skin. These could be symptoms of a serious liver problem.
Teriflunomide can temporarily lower the number of white blood cells in your blood, increasing the chance of getting an infection. It can also lower the number of platelets, which are necessary for proper blood clotting. If this occurs, there are certain precautions you can take, especially when your blood count is low, to reduce the risk of infection or bleeding:
- If you can, avoid people with infections. Check with your doctor immediately if you think you are getting an infection or if you get a fever or chills, cough or hoarseness, lower back or side pain, or painful or difficult urination.
- Check with your doctor immediately if you notice any unusual bleeding or bruising, black, tarry stools, blood in the urine or stools, or pinpoint red spots on your skin.
- Be careful when using a regular toothbrush, dental floss, or toothpick. Your medical doctor, dentist, or nurse may recommend other ways to clean your teeth and gums. Check with your medical doctor before having any dental work done.
- Do not touch your eyes or the inside of your nose unless you have just washed your hands and have not touched anything else in the meantime.
- Be careful not to cut yourself when you are using sharp objects such as a safety razor or fingernail or toenail cutters.
- Avoid contact sports or other situations where bruising or injury could occur.
You will need to have a skin test for tuberculosis before you start using teriflunomide. Tell your doctor if you or anyone in your home has ever had a positive reaction to a tuberculosis test.
While you are being treated with teriflunomide, for at least 6 months you stop using it, do not have any immunizations (vaccinations) without your doctor's approval. Live virus vaccines should not be given while receiving teriflunomide.
Using teriflunomide may increase your risk of getting cancers, including blood cancer. Talk to your doctor if you have concerns about this risk.
Check with your doctor right away if you are having burning, numbness, tingling, or painful sensations in the arms, hands, legs, or feet. These could be symptoms of a condition called peripheral neuropathy.
teriflunomide may cause serious allergic reactions, including anaphylaxis and serious skin reactions. Anaphylaxis can be life-threatening and requires immediate medical attention. Check with your doctor right away if you have blistering, peeling, or loosening of the skin, red skin lesions, severe acne or skin rash, sores or ulcers on the skin, trouble breathing, trouble swallowing, fever or chills.
Teriflunomide may cause serious allergic reactions affecting multiple body organs (eg, liver or kidneys). Check with your doctor right away if you have the following symptoms: a fever, dark urine, headache, rash, stomach pain, swollen, painful, or tender lymph glands in the neck, armpit, or groin, unusual tiredness, or yellow eyes or skin.
Check with your doctor right away if you have a cough with or without a fever or trouble breathing while taking teriflunomide.
You will need to have your blood pressure measured before starting teriflunomide and while you are using it. If you notice any change to your recommended blood pressure, call your doctor right away. If you have questions about this, talk to your doctor.
Do not take other medicines unless they have been discussed with your doctor. This includes prescription or nonprescription (over-the-counter [OTC]) medicines and herbal or vitamin supplements.
teriflunomide Side Effects
Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
Check with your doctor immediately if any of the following side effects occur:More common
- Body aches or pain
- burning, crawling, itching, numbness, prickling, "pins and needles", or tingling feelings
- cough producing mucus
- difficulty breathing
- ear congestion
- general feeling of discomfort or illness
- joint pain
- loss of appetite
- loss of voice
- muscle aches and pains
- nasal congestion
- runny nose
- sore throat
- tightness in the chest
- trouble sleeping
- unusual tiredness or weakness
- Abdominal or stomach pain or tenderness
- black, tarry stools
- bloody or cloudy urine
- blurred vision
- burning, numbness, pain, or tingling in all fingers except smallest finger
- clay colored stools
- dark urine
- decreased appetite
- decreased urine output
- difficult, burning, or painful urination
- fast, irregular, pounding, or racing heartbeat or pulse
- frequent urge to urinate
- itching or skin rash
- loss of appetite
- lower back or side pain
- muscle twitching
- pale skin
- pounding in the ears
- rapid weight gain
- slow or fast heartbeat
- swelling of the feet or lower legs
- ulcers, sores, or white spots in the mouth
- unusual bleeding or bruising
- weakness or heaviness of the legs
- yellow eyes or skin
- Blistering, peeling, or loosening of the skin
- joint pain
- red skin lesions, often with a purple center
- red, irritated eyes
Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:More common
- Hair loss or thinning of the hair
- Blemishes on the skin
- bone pain
- burning, dry, or itching eyes
- difficulty with moving
- discharge or excessive tearing
- full or bloated feeling
- muscle cramping or stiffness
- pain in the lower back, bottom, or hips
- pain in the upper leg
- pressure in the stomach
- redness, pain, or swelling of the eye, eyelid, or inner lining of the eyelid
- swelling of the abdominal or stomach area
- swollen joints
- weight loss
Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.
Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.
See also: Side effects (in more detail)
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More about teriflunomide
- Side Effects
- During Pregnancy
- Dosage Information
- Drug Interactions
- Support Group
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