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The product code(s) for this leaflet is: PL 49876/0001.
AlfaD 0.25, 0.5 or 1 microgram soft capsules
AlfaD 0.25, 0.5 or 1 microgram soft capsules
ALFACALCIDOL
1. What AlfaD is and what it is used for
2. What do you need to know before you take AlfaD
3. How to take AlfaD
4. Possible side effects
5. How to store AlfaD
6. Contents of the pack and other information
AlfaD is the brand name of your medicine. The name of the active ingredient in AlfaD is alfacalcidol. This medicine will be referred to as AlfaD throughout this leaflet.
AlfaD is a vitamin D analogue (a type of vitamin D) which helps to control the levels of two substances in your body. These two substances are calcium and phosphate, which your body needs for healthy bones and teeth.
AlfaD works by increasing the amount of vitamin D in your body. This means the levels of calcium and phosphate in your body will increase too.
AlfaD is used to treat diseases where the amount of calcium in your body needs changing. It is used to treat:
If you are unsure if any of the above apply to you, talk to your doctor before taking AlfaD.
Talk to your doctor, pharmacist, or nurse, before you start to take AlfaD if you:
You may get too much calcium or phosphate in your blood when you take this medicine. Please read Section 4 – Possible side effects - to enable you to spot any of the signs that this may be happening to you. You should notify your doctor, who may need to change your dose.
While you are taking AlfaD, your doctor will take regular blood tests. This is very important in children, patients with kidney problems, and patients on a high dose of AlfaD. This is to check the level of calcium and phosphate in your blood while you take your medicine. Depending on the results of these blood tests, your doctor may:
Tell your doctor or pharmacist if you are taking, have recently taken, or might take, any of the following medicines:
Please tell your doctor or pharmacist if you are taking, have recently taken, or might take, any other medicines, including medicines obtained without a prescription.
Always take AlfaD exactly as your doctor or pharmacist has told you. You should check with your doctor or pharmacist if you are not sure.
During your treatment with AlfaD, the calcium and phosphate levels in your blood will be monitored regularly (especially if you suffer from kidney problems) and, depending on the results, your dosage may be adjusted to achieve the correct response.
The capsules should be swallowed preferably with a drink of water. The usual dose is:
Bone disease related to kidney problems, rickets, osteomalacia, and parathyroid problems:
1.0 microgram a day
0.5 microgram a day
AlfaD is not recommended for use in children under 20 kg.
Osteoporosis:
1.0 microgram a day.
If you (or someone else) swallow a lot of the capsules all together, or if you think a child has swallowed any of the capsules, contact your nearest hospital casualty department or your doctor immediately.
An overdose is likely to cause loss of appetite, general weakness, feeling sick, being sick, weakness, sweating, diarrhoea, headache, weight loss, vertigo, thirst, and excessive urination.
Please take this leaflet, any remaining capsules, and the container with you to the hospital or doctor so that they know which capsules were consumed.
If you forget to take a capsule, take one as soon as you remember, unless it is nearly time to take the next one. DO NOT take a double dose to make up for a forgotten dose. Take the remaining doses at the correct time.
DO NOT stop taking your medicine without first talking to your doctor, pharmacist, or nurse , even if you feel better.
If you have any further questions on the use of this product, ask your doctor, pharmacist, or nurse.
Like all medicines, AlfaD can cause side effects, although not everybody gets them.
Side effects are generally caused by having too much calcium in the blood.
If the following happens, stop taking the capsules and tell your doctor immediately or go to the casualty department at your nearest hospital as you may be having a severe allergic reaction:
This is a very rare, but very serious, side effect. You may need urgent medical attention or hospitalisation.
Tell your doctor immediately if you notice any of the following as this could mean you have too much calcium or phosphate in your blood. These side effects may happen in up to 1 in 10 people:
Tell your doctor as soon as possible if you notice any of the following as this could mean you are developing problems with your kidneys, such as kidney stones forming. Kidney stones may cause a sharp spasm in one side of your lower back. The frequency of this side effect is unknown (it cannot be estimated from the data available):
Other possible side effects for which the number of people affected in unknown (can not be estimated from available data):
Other possible side effects, which may affect up to 1 in 10 people, include skin problems, such as:
Other possible side effects which may affect up to 1 in a 100 people include:
If you get any side effects, talk to your doctor, pharmacist, or nurse. This includes any possible side effects not listed in this leaflet. You can also report side effects directly via the Yellow Card Scheme at: www.mhra.gov.uk/yellowcard or search for MHRA Yellow Card in the Google Play or Apple App Store.
By reporting side effects, you can help provide more information on the safety of this medicine.
Keep out of the sight and reach of children.
Do not store above 25°C. Do not transfer AlfaD to another container.
Do not use after the expiry date that is stated on the outer packaging. The expiry date refers to the last day of that month.
Medicines should not be disposed of via wastewater or household waste. Ask your pharmacist how to dispose of medicines no longer required. These measures will help to protect the environment.
The active ingredient in AlfaD is alfacalcidol (1 α-hydroxyvitamin D3) 0.25, 0.5 or 1 microgram. The other ingredients are:
The capsule shell contains:
The printing ink contains:
The capsules contain the following colours:
The product is available in pack sizes of 7, 10, 14, 21, 28, 30, 56, 60, 84, 90, 100, 110, 112, 120, 150, 160, or 168 capsules. Not all pack sizes may be marketed.
Marketing Authorisation holder:
Company responsible for manufacture:
AlfaD is a registered trademark of Theramex HQ UK Limited.
This leaflet was last revised: 03/2025
PL 49876/0001-0003