Ambrisentan för pulmonell hypertension
Volibris
Granskad av Sid DajaniSenast uppdaterad av Michael Stewart, MRPharmSSenast uppdaterad 9 Jan 2023
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Ambrisentan is used to treat high blood pressure in people who have pulmonary arterial hypertension.
The usual dose is one 5 mg tablet daily. You can take ambrisentan either with or without food.
The most common side-effects are headache, and swollen feet and ankles.
Överblick
Ambrisentan is a medicine used to treat high blood pressure in the blood vessels supplying the lungs.
It works by widening the blood vessels to the lungs, allowing blood to flow more easily.
Always take ambrisentan exactly as your specialist doctor tells you to.
Do not become pregnant while taking ambrisentan as it can harm an unborn baby.
You will need regular blood tests to check for anaemia and liver problems.
Common side effects include headaches and swollen feet or ankles.
About ambrisentan
Typ av medicin | A vasodilator antihypertensive medicine, called an endothelin receptor antagonist |
Används för | Pulmonary arterial hypertension in adults |
Även kallad | Volibris® |
Tillgänglig som | Tabletter |
Ambrisentan is prescribed to treat pulmonary arterial hypertension (PAH). This is a condition where there is too high a blood pressure in the blood vessels that supply the lungs from the heart.
Ambrisentan relaxes the muscle cells in the walls of the blood vessels to your lungs, allowing them to become wider (dilated). This reduces the pressure in these blood vessels and allows blood to flow more easily through them. In turn, this increases the supply of blood to your lungs and improves your ability to do physical activities. It will be prescribed for you by a doctor who is a specialist.
Before taking ambrisentan
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 ambrisentan it is important that your doctor knows:
If you are or could become pregnant, or if you are breastfeeding.
Om du har några problem med hur din lever fungerar, eller om du har några problem med hur dina njurar fungerar.
If you have been told you have a reduced number of red blood cells (anaemia).
If you have been told you have a condition called idiopathic pulmonary fibrosis (IPF), where there is scarring in your lungs.
Om du någonsin har haft en allergisk reaktion mot en medicin.
Om du tar några andra läkemedel. Detta inkluderar alla läkemedel du tar som finns att köpa utan recept, samt växtbaserade och komplementära läkemedel.
How to take ambrisentan tablets
Before you start the treatment, read the manufacturer's printed information leaflet from inside the pack. It will give you more information about ambrisentan, and it will also provide you with a full list of the side-effects which you could experience from taking it.
Take ambrisentan exactly as your doctor tells you to. The usual dose is one 5 mg tablet daily, although your doctor may increase the strength of your tablets to 10 mg if a higher dose is needed. Unless your doctor tells you otherwise, you can generally take your dose at a time of day that suits you. You should, however, try to take each of your doses at a similar time of day, each day.
Swallow the tablets whole with a drink of water - do not break or chew the tablets. You can take ambrisentan tablets either with or without food.
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 all your regular appointments with your doctor. This is so your doctor can check on your progress. You will need to have regular blood tests while on ambrisentan to check that you do not develop anaemia. Your doctor will also want to check that your liver stays healthy. Signs that your liver may not be working properly are feeling sick, a high temperature, dark urine, jaundice, stomach pain, feeling unusually tired, and flu-like symptoms - let your doctor know straightaway if you develop any of these.
You must avoid getting pregnant while you are taking ambrisentan because it could cause harm to an unborn baby. Make sure you have discussed with your doctor which types of contraception are suitable for you and your partner.
It is possible that ambrisentan taken long-term reduces fertility in men by lowering the sperm count. Discuss this with your doctor if you have any concerns about it.
If you are due to have an operation or some other medical treatment, it is important that you tell the person carrying out the treatment that you are taking ambrisentan.
If you buy any medicines 'over the counter', always check with a pharmacist that they are suitable for you to take with ambrisentan.
Can ambrisentan tablets 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 more common ones associated with ambrisentan. The best place to find a full list of the side-effects which can be associated with your medicine, is from the manufacturer's printed information leaflet supplied with the medicine. Alternatively, you can find an example of a manufacturer's information leaflet in the reference section below. Speak with your doctor or pharmacist if any of the following continue or become troublesome.
Very common ambrisentan side-effects (these affect more than 1 in 10 people) | Vad kan jag göra om jag upplever detta? |
Huvudvärk | Drick mycket vatten och be din apotekare rekommendera en lämplig smärtstillande. Om huvudvärken fortsätter, kontakta din läkare |
Swollen feet or ankles | If this becomes troublesome, speak with your doctor |
Common ambrisentan side-effects (these affect fewer than 1 in 10 people) | Vad kan jag göra om jag upplever detta? |
Feeling dizzy, tired or weak | Kör inte och använd inte verktyg eller maskiner när du är påverkad |
Flushing, sinus infections, nosebleeds, feeling short of breath, a stuffy or runny nose, the sensation of having a 'thumping heart' (palpitations), chest pain | Om något av dessa blir besvärligt, tala med din läkare |
Feeling sick (nausea) or being sick (vomiting), stomach ache, diarrhoea | Eat simple meals - avoid fatty or spicy food. Drink plenty of water to replace lost fluids |
Förstoppning | Eat a healthy balanced diet and drink plenty of water |
Changes to some blood tests | Your doctor will regularly check for these |
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 ambrisentan
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.
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.
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Vanliga frågor
What is pulmonary arterial hypertension (PAH)?
Pulmonary arterial hypertension (PAH) is a condition where the blood pressure in the blood vessels supplying the lungs from the heart is too high. Ambrisentan works by relaxing and widening these blood vessels, which reduces the pressure and improves blood flow to the lungs, helping with physical activities.
Are there any conditions that would prevent me from taking ambrisentan?
Yes, there are some conditions where ambrisentan might not be suitable or would require extra care. Your doctor needs to know if you are pregnant or breastfeeding, have liver or kidney problems, a reduced number of red blood cells (anaemia), a lung scarring condition called idiopathic pulmonary fibrosis (IPF), or have had an allergic reaction to any medicine.
What should I do if I forget a dose of ambrisentan?
If you forget to take a dose, take it as soon as you remember. However, if you don't remember until the following day, you should skip the forgotten dose from the previous day and take your next dose as normal. Do not take two doses at the same time to compensate for a missed dose.
Can ambrisentan affect male fertility?
It is possible that long-term use of ambrisentan could reduce fertility in men by lowering the sperm count. If you have concerns about this, you should discuss it with your doctor.
What should I do if I experience side-effects like headaches or swollen feet/ankles?
For headaches, you should drink plenty of water and can ask your pharmacist to suggest a suitable painkiller. If headaches continue, or if swollen feet or ankles become troublesome, you should speak with your doctor.
Vidare läsning och referenser
- Manufacturer's PIL, Volibris® 2.5 mg, 5 mg and 10 mg tablets; GlaxoSmithKline UK, The electronic Medicines Compendium. Dated July 2021.
- Mediciner Komplett BNF 89:e Utgåvan; Brittiska Läkarföreningen och Kungliga Farmaceutiska Sällskapet i Storbritannien, London.
Om författarenVisa fullständig biografi

Helen Allen, MPharm
Apotekare, Medicinsk Författare
MPharm
Helen Allen kvalificerade sig som apotekare 1979 och tillbringade 3 år som författare av läkemedelsinformationsbroschyrer för EMIS.
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: 8 Jul 2027
9 Jan 2023 | Senaste versionen
5 Oct 2013 | Ursprungligen publicerad
Författad av:
Helen Allen, MPharm

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