Leflunomidtabletter för artrit
Arava
Granskad av Sid DajaniSenast uppdaterad av Michael Stewart, MRPharmSSenast uppdaterad 7 Jun 2025
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Leflunomide is prescribed by specialist doctors.
It may take several weeks before you start to feel the benefit of the treatment. This is normal.
Do not drink alcohol whilst you are taking leflunomide - it will increase the risk of damage to your liver.
Leflunomide can harm an unborn baby - use suitable contraception so that you do not become pregnant or father a child.
Överblick
Leflunomide is a medicine for rheumatoid arthritis and psoriatic arthritis.
It helps ease joint pain and stiffness, and reduces joint damage.
Take one tablet daily, with or without food.
It can take several weeks to notice the effect, and several months for full benefit.
Drick inte alkohol medan du tar denna medicin.
If female, you must not get pregnant during treatment and for two years afterwards.
If male, you must not father a child during treatment and for three months afterwards.
About leflunomide
Typ av medicin | A disease-modifying antirheumatic medicine |
Används för | Rheumatoid arthritis; psoriatic arthritis |
Även kallad | Arava® |
Tillgänglig som | Tabletter |
Arthritis means inflammation of joints. Reumatoid artrit (RA) is a common form of arthritis. It is thought to be an autoimmune disease. The immune system normally makes small proteins (antibodies) to attack bacteria, viruses and other germs. In people with autoimmune diseases, the immune system makes antibodies against tissues of the body. In people with RA, antibodies are formed against the tissues that surround the joints. This causes inflammation, pain, and swelling around the affected joints. Over time, it causes damage. Medicines called disease-modifying antirheumatic drugs (DMARDs) are prescribed to suppress the inflammation.
Psoriasisartrit is a particular type of arthritis that develops in some people who also have a skin condition called psoriasis.
Leflunomide is a DMARD. It eases pain and stiffness associated with both of the conditions mentioned above, and it also reduces the damaging effect of the disease on joints. It is thought to work by blocking the way inflammation develops in joints.
Before taking leflunomide
Some medicines are not suitable for people with certain conditions, and sometimes a medicine can only be used if extra care is taken. For these reasons, before you start taking leflunomide it is important that your doctor knows:
Om du är gravid, försöker bli gravid eller ammar.
Om du har några problem med hur din lever fungerar, eller om du har några problem med hur dina njurar fungerar.
If you currently have an infection, or if you have ever had tuberculosis (TB).
If you have been told by a doctor that you have low numbers of proteins in your blood.
If you know you have a blood or bone marrow disorder.
If you have a problem which affects your immune system, such as AIDS.
Om du någonsin har haft en allergisk reaktion mot en medicin.
Om du tar några andra läkemedel. Detta inkluderar alla läkemedel som kan köpas utan recept, samt växtbaserade och komplementära läkemedel.
How to take leflunomide
Before you start the treatment, read the manufacturer's printed information leaflet from inside the pack. It will give you more information about leflunomide and how to take it, and it will also provide you with a full list of the side-effects which you could experience
If you have recently taken another DMARD, your doctor will want to make sure that all of this medicine has gone from your bloodstream before you start taking leflunomide. This is called a washout procedure. It is important that you follow any directions that you are given to do this.
Take leflunomide exactly as your doctor tells you to. It is taken once a day. Your doctor will prescribe a high-strength (100 mg) tablet for the first three days. After this, the strength of your tablets will be reduced to 10 mg or 20 mg, and you will stay on this lower dose.
Swallow the tablet with a drink of water. You can take leflunomide either with or without food. Swallow the tablet whole - do not chew or break it.
Try to take leflunomide at the same time of day each day, as this will help you to remember to take it regularly, every day. If you forget to take a dose, take it as soon as you remember. If you do not remember until the following day, leave out the forgotten dose from the previous day and take the dose that is due as normal. Do not take two doses at the same time to make up for a missed dose.
Få ut det mesta av din behandling
Try to keep your regular appointments with your doctor. This is so your doctor can check on your progress. Your doctor will want you to have some blood tests before and during the treatment.
Leflunomide may have no immediate effect on pain or inflammation. It can take several weeks before you notice any effect, and several months before you notice the full benefit. It is, however, important that you keep taking it as prescribed, even if it does not seem to be working at first.
Your doctor will recommend that you do not drink alcohol while you are on leflunomide. This is because it can increase the risk of side-effects, such as liver problems.
This medicine can harm an unborn baby:
If you are female, you must not get pregnant while you are taking leflunomide and for at least two years afterwards. Make sure you have discussed with your doctor what contraception is suitable for you and your partner. If you wish to have a baby after finishing treatment, you should discuss this with your doctor, as the medicine continues in your bloodstream for up to two years.
If you are male you must not father a child while you are taking leflunomide and for at least three months afterwards. Ask your doctor about suitable contraception. If you wish to become a father, you should discuss this with your doctor. It is important that it is confirmed that leflunomide has been sufficiently removed from your body before you father a child.
Your doctor will discuss with you the possibility of unwanted side-effects, such as that you could become more susceptible to infections. Also, that there is a slightly increased risk of cancer associated with this medicine. If you have any concerns about your general health, discuss these with your doctor straightaway.
While you are taking leflunomide, do not have any immunisations (vaccinations) without talking to your doctor first. Leflunomide lowers your body's resistance and there is a chance that you may get an infection from the vaccine. Also, some vaccines may be less effective.
Before you have any kind of medical treatment, tell the doctor, dentist or surgeon that you are taking leflunomide. People taking leflunomide may be more likely to have problems with wound-healing after surgery.
Treatment with leflunomide is usually long-term unless you experience an adverse effect. Continue to take the tablets unless you are advised otherwise.
Can leflunomide cause problems?
Along with their useful effects, most medicines can cause unwanted side-effects although not everyone experiences them. The table below contains some of the most common ones associated with leflunomide. You will find a full list in the manufacturer's information leaflet supplied with your medicine. The unwanted effects often improve as your body adjusts to the new medicine, but speak with your doctor or pharmacist if any of the following continue or become troublesome.
Common leflunomide side-effects (these affect fewer than 1 in 10 people) | Vad kan jag göra om jag upplever detta? |
Increased susceptibility to infections | Contact your doctor if you feel unwell |
Diarré | Drink plenty of water to replace lost fluids |
Känna sig illamående (nausea) eller kräkas (vomiting), magont (abdominal smärta) | Stick to simple foods - avoid fatty or spicy meals. Try taking the tablets after food |
Feeling dizzy or tired | Kör inte och använd inte verktyg eller maskiner när du är påverkad |
Huvudvärk | Drick mycket vatten och be din apotekare rekommendera en lämplig smärtstillande. Om huvudvärken fortsätter, informera din läkare |
Increased blood pressure, loss of appetite, mouth ulcers, tingling feelings, tendon inflammation, increased hair loss, itchy skin rash, dry skin | If any of these become troublesome, discuss them with your doctor |
Om du upplever några andra symtom som du tror kan bero på tabletterna, tala med din läkare eller apotekare för vidare råd.
How to store leflunomide
Förvara alla läkemedel utom räckhåll och synhåll för barn.
Förvara på en sval, torr plats, borta från direkt värme och ljus.
Viktig information om alla läkemedel
Viktig information om alla läkemedel
Ta aldrig mer än den föreskrivna dosen. Om du misstänker att du eller någon annan kan ha tagit en överdos av denna medicin, gå till akutmottagningen på ditt lokala sjukhus. Ta med behållaren, även om den är tom.
Denna medicin är för dig. Ge den aldrig till andra människor även om deras tillstånd verkar vara detsamma som ditt.
Om du köper några mediciner, kontrollera med en apotekare att de är säkra att ta tillsammans med dina andra mediciner.
Behåll inte föråldrade eller oönskade mediciner. Ta dem till ditt lokala apotek som kommer att ta hand om dem åt dig.
Om du har några frågor om denna medicin, fråga din apotekare.
Rapportera biverkningar av ett läkemedel eller vaccin
Om du upplever biverkningar kan du rapportera dem online via Yellow Card webbplats.

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Kontrollera möjliga interaktioner mellan läkemedel, kosttillskott och livsmedel innan du tar dem tillsammans.
Vanliga frågor
What is the likelihood of having problems with wound healing after surgery if I'm taking leflunomide?
People who are taking leflunomide may be more prone to experiencing issues with wound healing following any surgical procedures. It is essential to inform your doctor, dentist, or surgeon that you are on leflunomide before undergoing any medical treatment.
How long will I generally need to take leflunomide?
Treatment with leflunomide is typically long-term. You should continue taking the tablets as prescribed unless your doctor advises you otherwise, or if you experience an adverse side effect that requires stopping the medication.
What should I do if I suspect I've taken too much leflunomide?
If you or someone else might have taken an overdose of leflunomide, you should go to the accident and emergency department of your local hospital immediately. Remember to take the medicine container with you, even if it is empty.
Why shouldn't I share my leflunomide with someone else?
Leflunomide is prescribed specifically for your condition. It should never be given to other people, even if their symptoms appear to be similar to yours, as it might not be safe or appropriate for them.
What should I do with leflunomide tablets that are out-of-date or no longer needed?
You should not keep out-of-date or unwanted medicines. Take them to your local pharmacy, as they are equipped to dispose of them safely and properly for you.
Vidare läsning och referenser
- Manufacturer's PIL, Arava® 10 mg tablets; Sanofi, The electronic Medicines Compendium. Dated September 2024.
- Mediciner Komplett BNF 89:e Utgåvan; Brittiska Läkarföreningen och Kungliga Farmaceutiska Sällskapet i Storbritannien, London.
Om författarenVisa fullständig biografi

Michael Stewart, MRPharmS
Ansvarig för granskning av medicinbroschyrer – Konsult, Apotekare
BPharm (Hons), MRPharmS
Michael är en apotekare som arbetar i Midlands och South Yorkshire med mer än 20 års erfarenhet av att ge råd om läkemedel och medicinska tillstånd. Han har en stark bakgrund inom vårdutbildning och har producerat och levererat utbildningskurser för apoteksteam och personal inom vårdboenden, inklusive sjuksköterskor. Han har också bidragit till apoteksrådgivande styrelser för hantering av mindre allvarliga tillstånd i samhället.
Om recensenten

Sid Dajani
Sultan Dajani tog examen vid London School of Pharmacy 1994 och blev den yngsta valda medlemmen i Royal Pharmaceutical Society-rådet sedan dess grundande 1842.
Artikelhistorik
Informationen på denna sida är skriven och granskad av kvalificerade kliniker.
Artikeln finns också på Engelska, Tyska, Spanska, Franska, Italienska, Portugisiska, Hindi, Hebreiska, Arabiska, och Svenska.
Next review due: 7 Jun 2028
7 Jun 2025 | Senaste versionen

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