Consumer Medicine Information (CMI) summary
The
full CMI on the next page has more details. If you are worried about using this medicine,
speak to your doctor or pharmacist.
1. Why am I using Catapres?
Catapres contains the active ingredient clonidine hydrochloride. Catapres is used
to lower high blood pressure, also called hypertension. Catapres works by relaxing
and widening blood vessels and so helps to lower your blood pressure.
2. What should I know before I am given Catapres Ampoules?
You should not be given Catapres if you have ever had an allergic reaction to clonidine
hydrochloride or any of the ingredients listed at the end of the CMI.
Catapres should not be given to you if you have certain heart problems, such as irregular/slow
heartbeat. Talk to your doctor if you have any other medical conditions, take any
other medicines, or are pregnant or plan to become pregnant or are breastfeeding.
This medicine should not be given to a child under the age of 18 years.
3. What if I am taking other medicines?
Some medicines may interfere with Catapres and affect how it works.
4. How am I given Catapres Ampoules?
Your doctor will tell you what dose of Catapres Ampoules you will receive. Catapres
Ampoules can be given as an injection into a muscle or as a slow injection into a
vein.
5. What should I know while I am being given Catapres Ampoules?
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Things you should do
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Remind any doctor, dentist or pharmacist you visit that you are using Catapres.
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Driving or using machines
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Be careful before you drive or use any machines or tools until you know how Catapres
affects you.
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Drinking alcohol
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Alcohol may affect how well your medicine works. You may need different amounts of
your medicine, or you may need to take different medicines.
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Looking after your medicine
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Catapres Ampoules will be stored in the pharmacy or ward below 30°C.
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6. Are there any side effects?
Tell your doctor or pharmacist as soon as possible if you do not feel well while you
are taking Catapres.
The more frequently reported side effects of Catapres are light-headedness when you
stand up suddenly, drowsiness, dryness of the mouth, nausea and vomiting.
Active ingredient:
clonidine hydrochloride
Full Consumer Medicine Information (CMI)
This leaflet provides important information about using Catapres. You should also speak to your doctor or pharmacist if you would like further information
or if you have any concerns or questions about using Catapres.
Where to find information in this leaflet:
1. Why am I using Catapres Ampoules?
Catapres contains the active ingredient clonidine hydrochloride. Catapres works by relaxing and widening blood vessels and so helps to lower your
blood pressure.
Catapres is used to lower high blood pressure, also called hypertension.
2. What should I know before I am given Catapres Ampoules?
Warnings
You should not be given Catapres if:
you are allergic to clonidine hydrochloride, or any of the ingredients listed at the
end of this leaflet.
Always check the ingredients to make sure you can use this medicine.
if you have certain heart problems, such as irregular/slow heartbeat.
Check with your doctor if you:
have or have had any of the following medical conditions:
heart failure or any heart or circulation problem
stroke, or transient ischaemic attack (TIA)
mental depression
sugar diabetes
nerve damage, which may lead to weakness in the arms and legs
constipation
phaeochromocytoma (a rare tumour of the adrenal gland)
any problems with your kidneys.
If you are uncertain as to whether you have, or have had, any of these conditions
you should raise those concerns with your doctor.
During treatment, you may be at risk of developing certain side effects. It is important
you understand these risks and how to monitor for them. See additional information
under Section
6. Are there any side effects?
Pregnancy and breastfeeding
You should not be given this medicine if you are pregnant.
It may affect your developing baby if you are given it during pregnancy.
Do not breast-feed if you are given this medicine.
The active ingredient in Catapres passes into breast milk and there is a possibility
that your baby may be affected.
Children and adolescents
This medicine should not be given to a child under the age of 18 years.
Serious side effects have been observed when clonidine, the active ingredient in Catapres,
is used with methylphenidate in children with ADHD. Therefore, Catapres in this combination
is not recommended.
3. What if I am taking other medicines?
Tell your doctor or pharmacist if you are taking any other medicines, including any
medicines, vitamins or supplements that you buy without a prescription from your pharmacy,
supermarket or health food shop.
Some medicines and Catapres may interfere with each other. These include:
other medicines for high blood pressure
medicines for heart problems
alcohol
medicines used to control mood swings and some types of depression
medicines used to relieve pain, swelling or other symptoms of inflammation
These medicines may interfere with Catapres and affect how it works.
You may need different amounts of your medicine, or you may need to take different
medicines.
Check with your doctor or pharmacist if you are not sure about what medicines, vitamins
or supplements you are taking and if these affect Catapres.
4. How are Catapres Ampoules given?
How it is given
Catapres Ampoules can be given as an injection into a muscle or as a slow injection
into a vein.
Catapres Ampoules must only be given by a doctor or nurse in a setting where appropriate
equipment is readily available for diagnosis and patient monitoring.
Catapres Ampoules should only be given to patients in a lying position.
Your doctor will decide what dose of Catapres Ampoules you will receive.
If you are given too much Catapres
As Catapres Ampoules are given to you under the supervision of your doctor, it is
very unlikely that you will receive too much.
Symptoms of an overdose may include slow heartbeat, drowsiness, temporarily stopping
breathing and coma. Other signs include dizziness, weakness, lethargy, feeling cold,
vomiting, looking pale, or having an irregular heartbeat.
You should immediately:
Tell your doctor or nurse immediately if you experience any signs of overdose, or
if you are not in hospital, go to the Emergency Department at your nearest hospital.
phone the Poisons Information Centre
(in Australia by calling
13 11 26; in New Zealand by calling
0800 764 766)
You may need urgent medical attention.
5. What should I know while I am being given Catapres Ampoule?
Things you should do
Tell any other doctors, dentists, and pharmacists who treat you that you have been
given Catapres.
Driving or using machines
Be careful before you drive or use any machines or tools until you know how Catapres
affects you.
Drinking alcohol
Tell your doctor if you drink alcohol.
Alcohol may affect how well your medicine works. You may need different amounts of
your medicine, or you may need to take different medicines.
Looking after your medicine
Catapres Ampoules will be stored in the pharmacy or ward below 30°C. Each ampoule
can only be used once and unused contents of opened ampoules must be discarded.
When to discard your medicine
Catapres must not be used after the expiry date printed on the pack or ampoule or
if the packaging is torn or shows signs of tampering.
6. Are there any side effects?
All medicines can have side effects. If you do experience any side effects, most of
them are minor and temporary. However, some side effects may need medical attention.
See the information below and, if you need to, ask your doctor or pharmacist if you
have any further questions about side effects.
More frequently reported side effects
Less frequently reported side effects
Tell your doctor or nurse as soon as possible if you do not feel well while you are
being given Catapres Ampoules.
Tell your doctor or nurse if you notice anything unusual, during or after treatment
with Catapres Ampoules.
Other side effects not listed here may occur in some people.
Reporting side effects
After you have received medical advice for any side effects you experience, you can
report side effects to the Therapeutic Goods Administration online at
www.tga.gov.au/reporting-problems . By reporting side effects, you can help provide more information on the safety of
this medicine.
Always make sure you speak to your doctor or pharmacist before you decide to stop
taking any of your medicines.
7. Product details
This medicine is only available with a doctor's prescription.
What Catapres Ampoule contains
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Active ingredient
(main ingredient)
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Clonidine hydrochloride 150 micrograms in 1 mL of solution.
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Other ingredients
(inactive ingredients)
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Sodium chloride, hydrochloric acid and water for injections.
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Potential allergens
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-
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Do not take this medicine if you are allergic to any of these ingredients.
What Catapres Ampoule looks like
Catapres is the brand name of your medicine.
Catapres Ampoule is a clear, colourless solution. It comes in a glass ampoule. (AUST
R 17919).
Who distributes Catapres Ampoule
Clinect Pty Ltd
120-132 Atlantic Drive
Keysborough, VIC 3173
Australia
Telephone: 1800 899 005
Catapres Ampoule are supplied in New Zealand by:
Clinect NZ Pty Limited
C/- Ebos Group Limited
108 Wrights Road
Christchurch 8024
New Zealand
Telephone: 0800 138 803
This leaflet was prepared in August 2023.