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Alfacalcidol capsules and drops

One-Alpha

Alfacalcidol is a type of vitamin D.

You will need to have regular blood tests while you are taking the medicine so that your doctor can adjust your dose.

Make sure you know the symptoms of too much calcium in your blood - these are losing your appetite, feeling thirsty, being sick (vomiting), feeling tired and losing weight. Please let your doctor know if you develop these symptoms.

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About alfacalcidol

Typ av medicin

A type of vitamin D

Används för

To promote healthy bones

Även kallad

One-Alpha®; AlfaD®;AlciDol®; AlfacalEss®;
Alfacalcidol is also called 1α-hydroxycholecalciferol or 1α-hydroxyvitamin D3

Tillgänglig som

Capsules, oral drops and injection

Alfacalcidol is a type of vitamin D. Vitamin D helps to regulate the amount of calcium and phosphate in your body. All three of these substances are important for maintaining healthy, strong bones and teeth.

There are several types of vitamin D available but most other types need 'activating' by the kidneys. Alfacalcidol is a form of vitamin D which does not need this activation process, and so it is particularly helpful for people who need their bones strengthening but who also have kidney problems. You may also need to take mineral supplements along with alfacalcidol.

Alfacalcidol is available as capsules, as oral liquid drops and also as an injection.

Some medicines are not suitable for people with certain conditions, and sometimes a medicine may only be used if extra care is taken. For these reasons, before you start taking alfacalcidol it is important that your doctor knows:

  • Om du är gravid eller ammar.

  • If you have ever had kidney stones or you have other problems with your kidneys.

  • If you know you have too much calcium in your blood or urine. This can happen with some cancers.

  • If you have any heart problems.

  • If you have an allergy to sesame oil (used in One-Alpha® capsules).

  • If you have been told you have sarcoidosis or other rare, 'granulomatous' disease.

  • Om du tar några andra läkemedel. Detta inkluderar alla läkemedel du tar som finns att köpa utan recept, samt växtbaserade och komplementära läkemedel.

  • Om du någonsin har haft en allergisk reaktion mot en medicin.

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  • Before you start the treatment, read the manufacturer's printed information leaflet from inside the pack. It will give you more information about alfacalcidol and will provide you with a full list of the side-effects which you may experience from taking it.

  • Take alfacalcidol exactly as your doctor tells you to. It is usually taken as one dose a day. Try to take your doses at the same time of day each day, as this will help you to remember to take it regularly.

  • There are three strengths of capsule and one strength of oral drop available - your doctor will tell you what dose to take each day. Your dose could change from time to time depending upon the results of your routine blood tests.

  • If you forget to take a dose, take it as soon as you remember. If you do not remember until the following day, skip the missed dose. Do not take two doses together to make up for a forgotten dose.

Directions for using One-Alpha® drops

Notera: each drop contains 0.1 microgram (100 nanograms) of alfacalcidol.

  1. Remove the bottle cap. (Do inte shake the bottle before using.) You will see a dropper which is ready for you to use.

  2. Hold the bottle upside down so that a drop appears at the end of the dropper. If a drop doesn't form, tap the bottle gently with a finger so that it does.

  3. Let the drop fall into your (or your child's) mouth, or catch it on a spoon if this is easier. Your doctor will tell you how many drops to take - count these out carefully to make sure that you (or your child) take the correct number.

  • 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 regular blood tests during the treatment to check on the amount of calcium in your blood. Your dose of alfacalcidol will be adjusted as a result of having these tests.

  • Treatment with alfacalcidol may be for short periods of time (such as in preparation for surgery), or could be long-term. Please continue to take alfacalcidol regularly unless you are told otherwise by your doctor.

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Along with their useful effects, most medicines can cause unwanted side-effects although not everyone experiences them. Alfacalcidol occasionally causes skin rashes but other side-effects could be due to too much calcium being in your blood (see the table below). You will find a full list of side-effects in the manufacturer's information leaflet supplied with your medicine. Please speak with your doctor or pharmacist if any of the following continue or become troublesome.

Alfacalcidol side-effects

Vad kan jag göra om jag upplever detta?

Skin rash and itchiness

Om det är besvärligt, prata med din läkare

Känner dig yr

Do not drive and do not use tools or machines until you are feeling better

Loss of appetite, loss of weight, feeling tired, feeling sick (nausea), feeling thirsty, sweating, a metallic taste in your mouth, a need to pass urine more often

These are signs that there could be too much calcium in your blood. Make an appointment to see your doctor as soon as possible. Your dose may need adjusting or your treatment with alfacalcidol may need to be stopped for a few days

If you experience any other symptoms which you think may be due to alfacalcidol, please speak with your doctor or pharmacist for further advice.

  • Förvara alla läkemedel utom räckhåll och synhåll för barn.

  • Capsules should be stored in a cool, dry place, away from direct heat and light.

  • Oral drops should be kept refrigerated once the bottle has been opened. Do not use or keep an opened bottle for longer than 28 days.

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 läkemedel, kontrollera med en apotekare att de är lämpliga att ta tillsammans med dina andra läkemedel.

Om du ska genomgå en operation eller tandbehandling, informera den som utför behandlingen om vilka mediciner du tar.

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 website.

symptom checker

Osäker på att blanda mediciner?

Kontrollera möjliga interaktioner mellan läkemedel, kosttillskott och livsmedel innan du tar dem tillsammans.

Vidare läsning och referenser

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Artikelhistorik

Informationen på denna sida är skriven och granskad av kvalificerade kliniker.

  • Next review due: 25 Aug 2027
  • 23 Aug 2024 | Senaste versionen

    Senast uppdaterad av

    Michael Stewart, MRPharmS

    Granskad av

    Sid Dajani
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