Consumer Medicine Information
What is in this leaflet
This leaflet answers some of the common questions people ask about COSUDEX. It does
not contain all the information that is known about COSUDEX.
It does not take the place of talking to your doctor or pharmacist.
All medicines have risks and benefits. Your doctor will have weighed the risks of
you taking COSUDEX 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 Cosudex is for
COSUDEX 50 mg is used in combination with other medicines to treat advanced prostate
COSUDEX is an anti-androgen medicine. Androgens such as testosterone are natural male
sex hormones. In some types of prostate cancer, androgens may help the cancer cells
to grow. COSUDEX interferes with some of the actions of these hormones.
COSUDEX should only be taken by men.
Follow all directions given to you by your doctor.
They may differ from the information in this leaflet.
Your doctor may prescribe this medicine for another use. Ask your doctor if you want
COSUDEX is not addictive.
Before you use Cosudex
When you must not use it
Do not take COSUDEX if you are a woman.
Do not give COSUDEX to children.
There is no experience of its use in children.
Do not take COSUDEX if you are allergic to bicalutamide or any of the other ingredients
Do not take COSUDEX if you are taking cisapride or the antihistamines, terfenadine
Do not take COSUDEX after the use by (expiry) date printed on the pack.
It may have no effect at all or an unexpected effect if you take it after the expiry
Do not take COSUDEX if the packaging is torn or shows signs of tampering.
Do not use it to treat any other complaints unless your doctor tells you to.
Do not give this medicine to anyone else.
Before you start to use it
You must tell your doctor if:
1. you have allergies to:
bicalutamide, the active ingredient in COSUDEX
any of the other ingredients of COSUDEX 50 mg listed at the end of this leaflet
other anti-androgen medicines
any other medicines
any other substances, such as foods, preservatives or dyes.
If you have an allergic reaction, you may get a skin rash, hay fever, or have difficulty
breathing or feel faint.
2. you have liver problems
It may not be safe for you to take COSUDEX if you have problems with your liver.
3. you have heart or blood vessel conditions, including heart rhythm problems (arrhythmia),
or are being treated with medicines for these conditions.
The risk of you having further heart rhythm problems may increase if you are taking
Taking other medicines
Tell your doctor if you are taking any other medicines, including:
cisapride (see When you must not use it)
the antihistamines terfenadine and astemizole (see When you must not use it)
medicines used to prevent blood clots, especially warfarin as COSUDEX may reduce their
effectiveness which may lead to bleeding and you therefore may need more monitoring
medicines used to treat high cholesterol
calcium channel blockers
antiviral medicines for HIV infection
medicines that you buy at the chemist, supermarket or health food shop
These medicines may affect the way COSUDEX works or COSUDEX may affect how these medicines
Your doctor or pharmacist can tell you what to do if you are taking any of these medicines.
If you have not told your doctor about any of these things, tell them before you take
Follow all directions given to you by your doctor or pharmacist carefully.
They may differ from the information contained in this leaflet.
If you do not understand the instructions on the box, ask your doctor or pharmacist
How much to take
The usual adult dose is one 50 mg tablet taken each day.
Swallow your COSUDEX tablet whole with a full glass of water.
When to take it
Take COSUDEX at about the same time each day.
COSUDEX 50 mg should be started at the same time as the other medicines you have been
given for the treatment of prostate cancer.
It does not matter if you take COSUDEX before, with or after food.
How long to take it
Continue taking COSUDEX for as long as your doctor or pharmacist tells you.
If you forget to take it
If you miss a dose take it as soon as you remember, as long as it is 12 hours before
the next dose is due.
If it is less than 12 hours to the next dose do not take the dose you have missed.
Do not take a double dose to make up for the dose that you missed.
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
Immediately telephone your doctor or pharmacist or the Poisons Information Centre
(telephone 13 11 26), or go to Accident and Emergency at your nearest hospital, if
you think that you or anyone else may have taken too much COSUDEX. Do this even if
there are no signs of discomfort or poisoning.
While you are using it
Things you must do
Be sure to keep all your appointments with your doctor so your progress can be checked.
Tell any other doctors, dentists and pharmacists who are treating you that you are
If you are about to be started on any new medicine, tell your doctor, dentist or pharmacist
that you are taking COSUDEX.
COSUDEX may affect your sperm (semen) while you are taking it and for some time after
you stop taking it. As a precaution, you and/or your partner must use adequate contraception
while you are taking COSUDEX and for at least 130 days after you have stopped taking
If you go into hospital, please let the medical staff know you are taking COSUDEX.
Things you must not do
Do not give COSUDEX to anyone else, even if they have the same condition as you.
Do not take COSUDEX to treat any other complaints unless your doctor tells you to.
Do not stop taking COSUDEX, or lower the dosage, without checking with your doctor.
Things to be careful of
Be careful driving or operating machinery until you know how COSUDEX affects you.
Some patients may feel dizzy or weak.
Tell your doctor or pharmacist as soon as possible if you do not feel well while you
are taking COSUDEX.
COSUDEX helps people with advanced prostate cancer, but it may have unwanted side
effects in a few people.
All medicines can have side effects. Sometimes they are serious, most of the time
they are not. You may need medical treatment if you get some of the side effects.
Ask your doctor or pharmacist to answer any questions you may have.
Tell your doctor as soon as possible if you notice any of the following and they worry
hot flushes or sweating
breast tenderness or changes in breast size
itching or dry skin, rashes
increased hairiness or hair loss
stomach pain or indigestion
nausea or vomiting
diarrhoea or constipation
loss of appetite or weight changes
unusual tiredness or weakness
dizziness or light-headedness
decrease in your sexual drive
inability to get or maintain an erection.
These are possible side effects of COSUDEX.
COSUDEX may also cause a period of low fertility or infertility whilst you are taking
it and for a period afterwards. NOTE however that you may not be infertile. As COSUDEX
may affect your sperm, effective contraception must be used by you and/or your partner
while you are taking COSUDEX and for at least 130 days after you have stopped taking
Tell your doctor immediately if you notice any of the following:
shortness of breath and dizziness when exercising and looking pale (anaemia)
excessive thirst with weight loss, and passing large amounts of urine.
These side effects may be serious.
Tell your doctor immediately or go to Accident and Emergency at your nearest hospital
if any of the following happen.
yellowing of the skin or eyes and dark coloured urine
rash, hives or severe itching of the skin,
swelling of the face, lips, tongue and/or throat, which may cause difficulty in swallowing
swelling of other parts of the body including hands, feet or ankles
serious breathlessness, or sudden worsening of breathlessness, possibly with a cough
shortness of breath, wheezing or trouble breathing.
These are all serious side effects. You may need urgent medical attention or hospitalisation.
Tell your doctor or pharmacist if you notice anything that is making you feel unwell.
Some people may get other effects while taking COSUDEX.
After using Cosudex
Keep your COSUDEX tablets in the blister foil until it is time to take them.
If you take COSUDEX out of the blister foil, it will not keep well.
Keep it in a cool dry place where the temperature stays below 30°C.
Do not store it or any other medicine in the bathroom or near a sink.
Do not leave it on a window sill or in the car on hot days.
Heat and dampness can destroy some medicines.
Keep your medicine where children cannot reach it.
A locked cupboard at least one-and-a-half metres above the ground is a good place
to store medicines.
Ask your pharmacist what to do with any tablets you have left over if your doctor
tells you to stop taking them, or you find that the expiry date has passed.
What COSUDEX looks like
COSUDEX 50 mg tablets are white, round film-coated tablets. One side of the tablet
is marked CDX 50 and the other side has an arrow shape.
COSUDEX tablets are packed in blister foils of 28 tablets.
Each COSUDEX 50 mg tablet contains 50 mg of bicalutamide as the active ingredient,
sodium starch glycolate
magnesium stearate (E572)
titanium dioxide (E171)
COSUDEX does not contain added sucrose, gluten, tartrazine or any other azo dyes.
AstraZeneca Pty Ltd
ABN 54 009 682 311
66 Talavera Road
MACQUARIE PARK NSW 2113
Telephone: 1800 805 342
This leaflet was prepared on 18 May 2017.
Australian Registration Number
AUST R 54639
Doc ID-002018729 v8.0