Contains the active ingredient calcitriol
Consumer Medicine Information
What is in this leaflet
This leaflet answers some common questions about this medicine. It does not contain
all the available information. It does not take the place of talking to your doctor
All medicines have risks and benefits. Your doctor has weighed the risks of you taking
this medicine against the benefits they expect it will have for you.
If you have any concerns about taking this medicine, ask your doctor or pharmacist.
Keep this leaflet with the medicine.
You may need to read it again.
What this medicine is used for
The name of your medicine is APO-Calcitriol. It contains the active ingredient, calcitriol.
It is used to treat people with osteoporosis and to prevent osteoporosis in people
taking oral corticosteroids.
It is also prescribed by doctors for the treatment of low blood calcium in patients
with osteodystrophy (a form of bone disease), hypoparathyroidism (reduced function
of the parathyroid glands) and rickets.
How it works
It works by improving absorption of calcium from the intestine and by stimulating
growth of healthy bones.
Calcitriol occurs naturally in humans and is a biologically active form of vitamin
Ask your doctor if you have any questions about why this medicine has been prescribed
Your doctor may have prescribed it for another purpose.
This medicine is available only with a doctor's prescription.
There is no evidence that this medicine is addictive.
Before you take this medicine
When you must not take it
Do not take this medicine if you have an allergy to:
calcitriol or any other medicine containing vitamin D compounds
any of the ingredients listed at the end of this leaflet
Symptoms of an allergic reaction may include:
cough, shortness of breath, wheezing or difficulty breathing
swelling of the face, lips, tongue, throat or other parts of the body
rash, itching or hives on the skin
fainting or hayfever-like symptoms
Do not take this medicine if have any of the following:
hypercalcaemia (high calcium levels in your blood)
vitamin D toxicity
Do not take this medicine if you are pregnant.
It may affect your developing baby if you take it during pregnancy. Your doctor will
discuss the risks and benefits of taking calcitriol when pregnant.
Do not breastfeed if you are taking this medicine.
The active ingredient in this medicine passes into breast milk and there is a possibility
that your baby may be affected.
Do not take this medicine after the expiry date printed on the pack or if the packaging
is torn or shows signs of tampering.
If it has expired or is damaged, return it to your pharmacist for disposal.
If you are not sure whether you should start taking this medicine, talk to your doctor.
Before you start to take it
Tell your doctor if you have allergies to any other medicines, foods, preservatives
Tell your doctor if you have or have had any of the following medical conditions:
you are bedridden or in a wheelchair
vitamin D resistant rickets
Tell your doctor if you are pregnant or plan to become pregnant or are breastfeeding.
Your doctor can discuss with you the risks and benefits involved.
If you have not told your doctor about any of the above, tell them before you start
taking this medicine.
Taking other medicines
Tell your doctor or pharmacist if you are taking any other medicines, including any
that you get without a prescription from your pharmacy, supermarket or health food
Some medicines and calcitriol may interfere with each other. These include:
medicines, vitamin tablets or health supplements containing vitamin D or calcium
cholestyramine, used to lower cholesterol levels in the blood
antacids containing magnesium
sevelamer, used to lower phosphorous levels in your body
These medicines may be affected by calcitriol or may affect how well it works. You
may need to take different amounts of your medicine, or you may need to take different
Your doctor and pharmacist have more information on medicines to be careful with or
avoid while taking this medicine.
How to take this medicine
How much to take
Your doctor will need to make regular measurements of the calcium level in your blood
while you are taking this medicine.
Follow carefully all directions given to you by your doctor. Their instructions may
be different to the information in this leaflet.
How to take it
Swallow capsules whole with a glass of water.
Do not open the capsules and do not take any capsules that are damaged.
When to take it
Take your medicine at about the same time each day.
Taking it at the same time each day will have the best effect. It will also help you
remember when to take it.
Calcitriol can be taken anytime of the day with or without food.
How long to take it for
Calcitriol is usually taken continuously for long term treatment.
Always tell your doctor if you want to stop taking this medicine as stopping suddenly
can lead to a rapid fall in calcium levels.
Continue taking your medicine for as long as your doctor tells you.
If you forget to take it
If it is almost time to take your next dose, skip the dose you missed and take your
next dose when you are meant to.
Otherwise, take it as soon as you remember and then go back to taking your medicine
as you would normally.
Do not take a double dose to make up for the dose that you missed.
This may increase the chance of you experiencing unwanted side effects.
If you are not sure what to do, ask your doctor or pharmacist.
If you have trouble remembering to take your medicine, ask your pharmacist for some
If you take too much (overdose)
Immediately telephone your doctor or the Poisons Information Centre (telephone 13
11 26) for advice or go to Accident and Emergency at the nearest hospital, if you
think that you or anyone else may have taken too much of this medicine. Do this even
if there are no signs of discomfort or poisoning.
You may need urgent medical attention.
While you are taking calcitriol
Things you must do
If you are about to be started on any new medicine, remind your doctor and pharmacist
that you are taking this medicine.
Tell any other doctors, dentists, and pharmacists who treat you that you are taking
If you are going to have surgery, tell the surgeon or anaesthetist that you are taking
It may affect other medicines used during surgery.
If you become pregnant or start to breastfeed while taking this medicine, tell your
If you are about to have any blood tests, tell your doctor that you are taking this
It may interfere with the results of some tests.
Tell your doctor if, for any reason, you have not taken your medicine exactly as prescribed.
Otherwise, your doctor may think that it was not effective and change your treatment
Your doctor may occasionally do tests to make sure the medicine is working and to
prevent side effects.
Go to your doctor regularly for a check-up.
CALCITRIOL & DIET
You should discuss your diet with your doctor and adhere strictly to your dietary
Sudden changes in diet, particularly the amount of dairy products, may lead to increased
calcium in your blood. If this happens, you may experience weakness, feeling sick,
vomiting, constipation, confusion and increased urination.
CALCITRIOL & LABORATORY TESTS
Make sure that you keep all blood test appointments with your doctor.
These are to check your blood calcium levels while you are taking calcitriol. Your
doctor will discuss your specific needs with you.
Things you must not do
Do not take this medicine to treat any other complaints unless your doctor tells you
Do not give your medicine to anyone else, even if they have the same condition as
Do not stop taking your medicine or lower the dosage without checking with your doctor.
Things to be careful of
Your ability to drive a car or operate machinery may be affected by medicines. Normally,
your ability to drive a car or operate machinery will not be affected by calcitriol.
Tell your doctor or pharmacist as soon as possible if you do not feel well while you
are taking this medicine.
All medicines can have side effects. Sometimes they are serious but most of the time
they are not.
Do not be alarmed by the following lists of side effects. You may not experience any
Ask your doctor or pharmacist to answer any questions you may have.
Tell your doctor or pharmacist if you notice any of the following and they worry you:
loss of appetite
feeling tired, sleepy or drowsy
vomiting or stomach ache
weakness or muscle weakness
dry mouth or thirst
irregular and/or rapid heart beat
urinary tract infection.
These are all symptoms of high levels of calcium in your blood. If you experience
any of these, tell your doctor immediately.
This is not a complete list of all possible side effects. Other side effects not listed
above may also occur in some patients and there may be some side effects not yet known.
Tell your doctor or pharmacist if you notice anything that is making you feel unwell.
Storage and disposal
Keep your medicine in its original packaging until it is time to take it.
If you take your medicine out of its original packaging it may not keep well.
The capsule colour may change during storage. This does not affect the quality of
Keep this medicine in a cool dry place where the temperature will stay below 25°C.
Do not store your medicine, or any other medicine, in the bathroom or near a sink.
Do not leave it on a window sill or in the car.
Heat and dampness can destroy some medicines.
Keep this medicine where children cannot see or reach it.
A locked cupboard at least one-and-a-half metres above the ground is a good place
to store medicines.
If your doctor tells you to stop taking this medicine or the expiry date has passed,
ask your pharmacist what to do with any medicine that is left over.
What APO- Calcitriol look like
APO-Calcitriol 0.25 microgram capsules are red coloured, oval soft gelatin capsules
containing a clear oily liquid. AUST R 240872.
APO-Calcitriol is available in blisters of 100 capsules.
Each APO-Calcitriol capsule contains 0.25 micrograms of calcitriol as the active ingredient.
It also contains the following inactive ingredients:
butylated hydroxyanisole (320)
butylated hydroxytoluene (321)
coconut oil - fractionated
sorbitol and the colours iron oxide red and iron oxide yellow.
This medicine is gluten-free, lactose-free, sucrose-free, tartrazine-free and free
of other azo dyes.
Apotex Pty Ltd
16 Giffnock Avenue
Macquarie Park NSW 2113
APO and APOTEX are registered trademarks of Apotex Inc.
This leaflet was last updated in July 2019.