Consumer Medicine Information
What is in this leaflet
This leaflet answers some common questions about Co-Diovan.
It does not contain all the available information. It does not take the place of talking
to your doctor or pharmacist.
The information in this leaflet was last updated on the date listed on the final page.
More recent information on the medicine may be available.
You should ensure that you speak to your pharmacist or doctor to obtain the most up
to date information on the medicine. You can also download the most up to date leaflet
Those updates may contain important information about the medicine and its use of
which you should be aware.
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 Co-Diovan is used for
Co-Diovan is used to control high blood pressure, also called hypertension.
Everybody has blood pressure. This pressure helps get your blood all around your body.
Your blood pressure may be different at different times of the day, depending on how
busy or worried you are. You have hypertension (high blood pressure) when your blood
pressure stays higher than is needed, even when you are calm and relaxed.
High blood pressure increases the workload of the heart and blood vessels. If it continues
for a long time, it can damage the blood vessels in the brain, heart and kidneys.
This can lead to stroke, heart failure or kidney failure. High blood pressure increases
the risk of heart attacks. Lowering your blood pressure reduces the chance of these
Co-Diovan contains valsartan and hydrochlorothiazide. These medicines reduce blood
pressure in two different ways.
1. Valsartan blocks the effect of angiotensin II, which is a substance in the body that
tightens blood vessels and makes your blood pressure rise. When the effect of angiotensin
II is blocked, your blood vessels relax and your blood pressure goes down.
2. Hydrochlorothiazide helps reduce the amount of excess fluid in the body by increasing
the amount of urine produced. This helps lower your blood pressure.
Ask your doctor if you have any questions about why this medicine has been prescribed
Your doctor may have prescribed it for another purpose.
There is not enough information to recommend the use of Co-Diovan in children.
This medicine is only available with a doctor's prescription. It is not addictive.
Before you take Co-Diovan
When you must not take it
Do not take Co-Diovan if you have ever had an allergic reaction after taking:
valsartan or hydrochlorothiazide (the active ingredients in Co-Diovan) or sulfonamide-derived
medicines (such as some antibiotics eg. Bactrim® trimethoprim and sulfamethoxazole)
any of the other ingredients listed at the end of this leaflet
Symptoms of an allergic reaction may include shortness of breath, wheezing or difficulty
breathing; swelling of the face, lips, tongue or other parts of the body; rash, itching
or hives on the skin.
Do not take Co-Diovan if you are pregnant or intend to become pregnant.
Co-Diovan is not recommended for use in pregnancy. Like other similar medicines, it
could affect your unborn baby.
Do not take Co-Diovan if you have:
severe kidney or liver disease including biliary cirrhosis
cholestasis, which is reduced or stopped bile flow
anuria, which is a condition where you are unable to urinate
high uric acid levels in the blood, which may cause gout
low level of potassium or sodium, or high level of calcium in your blood
Check with your doctor if you are unsure if you have any of the above conditions.
Do not take Co-Diovan if you are also taking other blood pressure lowering medicines
containing aliskiren and have type 2 diabetes.
Do not take Co-Diovan after the expiry date printed on the pack or if the packaging
is torn or shows signs of tampering.
In that case, return it to your pharmacist.
Before you start to take it
Tell your doctor if you have/have had any of the following health problems/medical
systemic lupus erythematosus, a disease affecting the skin, joints and kidneys
heart problems, including obstructed blood flow from narrowing of valves (stenosis)
or enlarged septum (HOCM)
high cholesterol levels
swelling, mainly of the face and throat, while taking other medicines (including an
ACE inhibitor or aliskiren)
primary hyperaldosteronism (Conn's syndrome), a hormone disorder causing fluid retention
passing less urine than is normal for you or difficulty passing urine
recent excessive vomiting or diarrhoea
salt restricted diet
Your doctor may want to take special precautions if you have any of the above conditions.
Tell your doctor if you are breast-feeding a baby. Ask your doctor about the risks
and benefits of taking Co-Diovan in this case.
Hydrochlorothiazide is known to pass into the breast milk, however it is not known
if valsartan passes into the breast milk. Therefore Co-Diovan is not recommended if
you are breast-feeding.
Tell your doctor if you are allergic to any other medicines, foods, dyes or preservatives.
Your doctor will want to know if you are prone to allergies.
If you have not told your doctor about any of these things, tell them before you take
Taking other medicines
Tell your doctor or pharmacist if you are taking any other medicines, including medicines
that you buy without a prescription from a pharmacy, supermarket or health food shop.
Some medicines and Co-Diovan may interfere with each other. These include:
medicines used to treat high blood pressure and some other heart conditions including
fluid tablets or diuretic medicines, ACE-inhibitors, aliskiren and beta blockers
non-steroidal anti-inflammatory drugs (NSAIDs), medicines used to relieve pain, swelling
and other symptoms of inflammation, including arthritis
tablets, preparations or supplements which contain potassium
some antibiotics (rifamycins), anti-rejection drugs (cyclosporin), antiretrovirals
(ritonavir) which may increase the effect of valsartan
medicines or supplements containing calcium
other medicines that raise blood pressure
medicines used to relax muscles before or during surgery
steroid medicines such as cortisone, prednisone and ACTH
lithium, antidepressants, antipsychotics, medicines used to treat mood swings and
some types of depression
medicines used to treat heart problems
cyclophosphamide or methotrexate
amphotericin, a medicine used to treat fungal infections
insulin and tablets used to treat diabetes
medicines used to treat gout
carbamazepine (a drug used to treat epilepsy, bipolar disorders, neuralgia and other
medicines used to lower cholesterol (e.g. cholestyramine)
amantadine, a medicine used to treat Parkinson's disease or to prevent influenza
anticholinergic medicines, which are used to treat Parkinson's disease, relieve stomach
cramps, spasms and prevent travel sickness
carbenoxolone, a medicine used to treat stomach ulcers
antiarrhythmics and digitalis glycosides, medicines used to treat irregular heart
tetracycline, a medicine used to treat some infections
radioactive iodine, used as a medical tracer or diagnosis
trimethoprim containing medicines
Your doctor and pharmacist have a more complete list of medicines to be careful of
while taking Co-Diovan.
How to take Co-Diovan
Follow carefully all directions given to you by your doctor and pharmacist.
These instructions may differ from the information contained in this leaflet.
If you do not understand the instructions on the label, ask your doctor or pharmacist
How much to take
The usual dose is 80/12.5 mg, 160/12.5 mg or 320/12.5 mg once a day. If your blood
pressure is still too high after 4 weeks, your doctor may increase the dose to 160/25
mg or 320/25 mg once a day.
When to take it
When you take the first dose from the pack of Co-Diovan, take the one marked with
the correct day of the week (e.g. if it is Wednesday, take the dose from the section
of the foil marked Wednesday).
Co-Diovan comes in a calendar pack with the days of the week marked on it to help
you remember to take your medicine each day.
Take your Co-Diovan dose at the same time each day.
This also helps you remember to take it, especially if you take it as part of your
usual routine (e.g. at breakfast time). This medicine will keep working for the whole
24 hours until the next dose is due.
How to take it
Swallow the tablet with a full glass of water. Always take Co-Diovan the same way
in relation to food.
It does not matter if you take Co-Diovan after food or on an empty stomach, as long
as you take it the same way each day.
If your stomach is upset after taking Co-Diovan, always take it after a meal (e.g.
How long to take it
Take this medicine until your doctor tells you to stop even if you feel quite well.
People who have high blood pressure often feel well and do not notice any signs of
It will take at least 4 weeks for this medicine to have its full effect. After that,
it can be continued for as long as needed to control your blood pressure.
If you forget to take it
If it is almost time for your next dose, skip the missed dose and take the next one
when you are meant to.
Otherwise, take the dose as soon as you remember and then go back to taking it as
you would normally.
Do not take a double dose to make up for the one that you missed.
This may increase the chance of side effects.
If you have trouble remembering when to take your medicine, ask your pharmacist for
If you take too much (Overdose)
Immediately telephone your doctor or the Poisons Information Centre (telephone number:
13 11 26) for advice, or go to Accident and Emergency at your nearest hospital if
you think that you or anyone else may have taken too much Co-Diovan. Do this even
if there are no signs of discomfort or poisoning.
Keep the telephone numbers for these places handy.
Too much Co-Diovan may make you feel dizzy, light headed or faint. You may experience
rapid, shallow breathing or cold, clammy skin. Your heartbeat may be faster than usual.
This is because your blood pressure is too low.
While you are taking Co-Diovan
Things you must do
If you become pregnant while taking Co-Diovan, tell your doctor immediately.
You should not take this medicine while you are pregnant.
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
Be sure to keep all of your doctor's appointments so that your progress can be checked.
Do this even if you feel well.
People with high blood pressure often do not notice any signs of this problem. But
it is important to keep track of your progress. Your doctor will want to check your
blood pressure regularly to make sure the medicine is working. Your doctor will also
check your kidney and liver function from time to time to prevent unwanted side effects.
If you are going to have surgery, tell your doctor and anaesthetist that you are taking
Co-Diovan may affect some medicines you receive during surgery.
If you are about to be started on any new medicine, remind your doctor and pharmacist
that you are taking Co-Diovan.
Tell any other doctor, dentist or pharmacist who treats you that you are taking Co-Diovan.
Things you must not do
Do not use Co-Diovan to treat any other complaints unless your doctor says you can.
Do not give this medicine to anyone else, even if their condition seems to be similar
Things to be careful of
Be careful driving, operating machinery or doing jobs that require you to be alert
while you are taking Co-Diovan until you know how it affects you.
This medicine can cause tiredness, sleepiness or dizziness in some people. If you
have these symptoms, do not drive or do anything else that could be dangerous.
If this medicine makes you feel dizzy or light-headed, be careful when getting up
from a sitting or lying position.
Dizziness can usually be prevented by getting up slowly and flexing leg muscles and
toes to get the blood flowing. When getting out of bed, dangle your legs over the
side for a minute or two before standing up.
When you are outdoors, wear protective clothing and use at least a 15+ sunscreen.
Do not use a sunlamp.
This medicine may cause your skin to be much more sensitive to sunlight than it normally
Exposure to sunlight may cause a skin rash, itching, redness or severe sunburn. If
your skin does appear to be burning, tell your doctor.
Tell your doctor or pharmacist as soon as possible if you do not feel well while you
are taking Co-Diovan, even if you do not think it is connected with the medicine.
All medicines can have side effects. Sometimes they are serious, but most of the time
they are not. You may need medical treatment if you get some of the side effects.
Do not be alarmed by this list of possible side effects. You may not experience any
Ask your doctor or pharmacist to answer any questions you may have.
Tell your doctor if you notice any of these side effects and they worry you:
dizziness, spinning sensation, blurred vision
sleepiness, tiredness or weakness
pain in the back or joints
runny or bleeding nose or congested sinuses
dry cough, sore throat or hoarse voice
diarrhoea, constipation or wind
nausea (feeling sick), vomiting, loss of appetite, stomach upset or indigestion
back pain, muscle pain, muscle tenderness or weakness, cramps or joint pain
tingling or numbness in hands or feet
symptoms of sunburn which happens more quickly than normal
feeling anxious or sad
dizziness on standing up, especially when getting up from a sitting or lying position
problems with sexual function
pain when passing urine, frequent urge to urinate
Tell your doctor immediately or go to Accident and Emergency at your nearest hospital
if you notice any of the following:
signs of allergy such as rash, itching or hives on the skin; swelling of the face,
lips, tongue or other part of the body; shortness of breath, wheezing or troubled
feeling of fast or irregular heart beat (pounding, racing, skipping beats)
tiredness or lack of energy, being short of breath when exercising, dizziness and
constant "flu-like" symptoms such as chills, fever, sore throat, aching joints, sores
in mouth, swollen glands
pain in the stomach, often accompanied by nausea and vomiting
signs of a serious skin reaction such as painful red areas, large blisters, peeling
of layers of skin, bleeding in the lips, eyes, mouth, nose or genitals. These signs
may be accompanied by fever and chills, aching muscles and feeling generally unwell
unusual bleeding or bruising under the skin
severe dizziness or fainting
passing less urine than normal
liver disease with nausea, vomiting, loss of appetite, feeling generally unwell, fever,
itching, yellowing of the skin and eyes and dark coloured urine
decrease in vision or pain in your eyes
The above side effects are rare, but may be serious. You may need urgent medical attention.
Tell your doctor if you notice anything else that is making you feel unwell.
Some people may get other side effects of Co-Diovan.
After using Co-Diovan
Keep your tablets in the original container until it is time to take them.
Store them in a cool dry place below 30°C (room temperature).
Do not store Co-Diovan or any other medicine in the bathroom or near a sink.
Do not leave Co-Diovan in the car or on window sills.
Heat and dampness can destroy some medicines. Co-Diovan will keep well if it is cool
Keep medicines where children cannot reach them.
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 Co-Diovan, or it has passed its expiry date,
ask your pharmacist what to do with any tablets that are left over.
What it looks like
Co-Diovan tablets are supplied in blister packs of 28.
Co-Diovan 80/12.5 tablets are light orange and imprinted with "HGH" on one side and
"CG" on the other.
Co-Diovan 160/12.5 tablets are oval and dark red with a "HHH" marked on one side of
the tablet and "CG" on the other.
Co-Diovan 160/25 tablets are oval shaped, and brown-orange in colour. They have the
letters "HXH" marked on one side of the tablet and "NVR" on the other.
Co-Diovan 320/12.5 tablets are oval shaped, and pink in colour. They have the letters
"HIL" marked on one side of the tablet and "NVR" on the other.
Co-Diovan 320/25 tablets are oval shaped, and yellow in colour. They have the letters
"CTI" marked on one side of the tablet and "NVR" on the other.
Co-Diovan tablets contain 80 mg, 160 mg or 320 mg of valsartan and 12.5 mg or 25 mg
of hydrochlorothiazide as the active ingredient.
The tablets contain the following non active ingredients:
cellulose - microcrystalline
silica - colloidal anhydrous
iron oxide red
Co-Diovan 80/12.5 tablets also contain:
iron oxide yellow
Co-Diovan 160/12.5 tablets also contain:
Co-Diovan 160/25 tablets also contain:
iron oxide yellow
iron oxide black
Co-Diovan 320/12.5 tablets also contain:
iron oxide black
Co-Diovan 320/25 tablets also contain:
iron oxide yellow
Co-Diovan is supplied in Australia by:
NOVARTIS Pharmaceuticals Australia Pty Limited
ABN 18 004 244 160
54 Waterloo Road
North Ryde NSW 2113
Telephone: 1 800 671 203
®= Registered Trademark
This leaflet was prepared in
Australian Registration Numbers
Co-Diovan 80/12.5 mg tablets AUST R 96740
Co-Diovan 160/12.5 mg tablets AUST R 96741
Co-Diovan 160/25 mg tablets
AUST R 96742
Co-Diovan 320/12.5 mg tablets
AUST R 135782
Co-Diovan 320/25 mg tablets
AUST R 135812
Internal use only:
(cod300921c.doc) based on PI (cod300921i.doc)