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Active substance(s): DOXAZOSIN MESILATE

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Patient Information Leaflet

Cardura XL 4mg Tablets
(doxazosin mesilate)
Your medicine is known by the above name, but will be referred to as Cardura
XL throughout this leaflet.
Important things that you SHOULD know about your medicine:
 Cardura XL is a treatment for high blood pressure, or the symptoms caused
by enlargement of the prostate gland in men.
 This medicine has been prescribed for you. Do not pass it on to others. It
may harm then, even if their symptoms are the same as yours.
 You should take Cardura XL regularly to get the maximum benefit, even if
you are feeling well.
 Most people do not have serious problems when taking Cardura XL but side
effects can occur – see Section 4 for details. If you experience swelling of
the face, tongue or windpipe, see your doctor immediately. If any of the side
effects gets serious, or if you notice any side effects not listed in this leaflet,
please tell your doctor or pharmacist.
 Taking other medicines may sometimes cause problems. Check with your
doctor or pharmacist before taking this or any other medicines.
 If you are, or are trying to become, pregnant, do not take Cardura XL and
tell your doctor.
Please read the rest of this leaflet. It includes other important information on
the safe and effective use of this medicine that might be especially important
to you. If you have any further questions, ask your doctor or pharmacist.
In this leaflet:
1) What Cardura XL is and what it is used for
2) Before you take Cardura XL
3) How to take Cardura XL
4) Possible side effects
5) Storing Cardura XL
6) Further information

1) What Cardura XL and what it is used for
Cardura XL is one of a group of medicines called alpha-blockers. It is used to
treat high blood pressure, or the symptoms caused by enlargement of the
prostate gland in men.
Cardura XL can be used to treat high blood pressure (hypertension), by
relaxing blood vessels so that blood passes through them more easily. This
helps to lower blood pressure.
In patients with an enlarged prostate gland, Cardura XL is taken to treat poor
and/or frequent passing of urine. This is common in patients with an enlarged
prostate gland. Cardura XL works by relaxing muscle around the bladder exit
and prostate gland so urine is passed more easily.

2) Before you take Cardura XL
Do not take Cardura XL:
 If you have had an allergic reaction in the past to Cardura XL, the active
ingredient doxazosin, other types of quinazolines (such as prazosin or
terazosin), or any of the other ingredients listed in section 6. This may have
been itching, reddening of the skin or difficulty in breathing.
 If you are breast-feeding
 If you have any form of obstruction of the digestive tract.
 If you are under 16 years of age
 If you have an enlarged prostate gland (benign prostatic hyperplasia) and
have low blood pressure
 If you have a history of a condition known as ‘orthostatic hypotension’ which
is a form of low blood pressure that causes you to feel dizzy or light-headed
when you stand up from sitting or lying down
 If you have an enlarged prostate gland with one of the following: any kind of
congestion or blockage in your urinary tract, a longstanding infection of the
urinary tract or you have bladder stones.
 If you have overflow incontinence (you do not feel the urge to urinate), or
anuria (your body is not producing any urine) with or without kidney
Take special care with Cardura XL:
The following are reasons why Cardura XL may not be suitable for you:
 If you are pregnant or trying to become pregnant
 If you have liver disease
 If you have heart disease
 If you are also taking other medicines

If you are undergoing eye surgery because of cataract (cloudiness of the lens)
please inform your eye specialist before the operation that you are using or
have previously used Cardura XL. This is because Cardura XL may cause
complications during the surgery which can be managed if your specialist is
prepared in advance.
If any of these apply to you speak to your doctor before taking this medicine.
When you start to take Cardura XL you may experience faintness or dizziness
caused by low blood pressure, when getting up from sitting or lying down. If
you feel faint or dizzy, you should sit or lie down until you feel better and
avoid situations where you might fall or hurt yourself.
Your doctor may want to measure your blood pressure regularly at the start of
therapy to reduce the possibility of these effects happening.
Taking other medicines:
There are some medicines that may interact with Cardura XL
 Some patients who take alpha-blocker therapy for the treatment of high
blood pressure or prostate enlargement may experience dizziness or lightheadedness, which may be caused by low blood pressure upon sitting or
standing up quickly. Certain patients have experienced these symptoms
when taking drugs for erectile dysfunction (impotence) with alpha-blockers.
In order to reduce the likelihood that these symptoms occur, you should be
on a regular daily dose of your alpha-blocker before you start drugs for
erectile dysfunction.
 Cardura XL may lower your blood pressure even more if you are already
taking other medicines to treat your high blood pressure such as terazosin
and prazosin.
You should always tell your doctor if you are taking or have recently taken any
other medicine, even those not prescribed, because they might interact with
Cardura XL.
Taking Cardura XL with food and drink:
Cardura XL can be taken with or without food.
The safety of using Cardura XL during pregnancy has not been established. If
you are pregnant or trying to become pregnant speak to your doctor and
he/she will decide if Cardura XL is suitable for you.
Do not take Cardura XL if you are breast-feeding.
Driving and using machinery:
Take care if you drive or operate machinery. Your tablets may affect your
ability to drive or operate machinery safely, particularly when you first start to
take them. They may make you feel weak or dizzy. If affected, do not drive or
operate machinery and contact your doctor immediately.

3) How to take Cardura XL
Cardura XL is a modified release tablet. The medicine is contained within a
non-absorbable shell that has been specially designed to slowly release the
medicine. Once swallowed, doxazosin is slowly released into the body from
the tablet, until the tablet is empty.
Since the empty tablet is eliminated from the body in bowel movements, you
may occasionally observe in the stools, something that looks like a tablet.
This is to be expected and you should not be concerned.
How to take your medicine
 The usual dose of Cardura XL is one 4mg modified release tablet taken as
a single daily dose each day.
 Your doctor may wish to increase your dose to 8mg. This is the maximum
dose of Cardura XL.
 Swallow Cardura XL whole with water. Do not chew, divide or crush the
 Take your tablets as your doctor told you or by following the days and
arrows on the blister foil.
 If you are still not sure, ask your doctor or pharmacist.
 It is important to keep taking your tablets. They help to control your blood

 Don't change the dose or stop taking the tablets without first checking with
your doctor.
 Don't wait until your tablets are finished before seeing your doctor.
If you have a blister strip without a label to translate the days of the week, this
translation of the days of the week is as follows:
If you take more Cardura XL than you should:
Taking too many tablets at once may make you unwell. If several tablets are
taken it may be dangerous. Tell your doctor immediately or go to your nearest
hospital casualty department immediately.
If you miss a dose of Cardura XL:
Do not worry. If you forget to take a tablet, leave that dose out completely.
Then go on as before.

4) Possible side effects
Like all medicines, Cardura XL can cause side effects although not everybody
gets them.
STOP taking Cardura XL and call an ambulance immediately if you
experience any of the following:
 Heart attack
 Weakness of arms, legs or problems speaking which may be symptoms of
a stroke
 Swelling of the face, tongue or throat which may be the result of an allergic
reaction to this medicine
Tell your doctor immediately if you experience any of the following symptoms
after taking Cardura XL:
 Chest pain, angina
 Shortness of breath, difficulty breathing, wheezing
 Increased, decreased or irregular heartbeat
 Feeling your heartbeat (palpitations)
 Skin rash or itching (especially the whole body)
 Fainting
 Yellowing of the skin or the eyes (jaundice)
 Low numbers of white blood cells or blood platelets, which may result in
bruising or easy bleeding
The following events have been reported in patients being treated with
Cardura XL. If any of these side effects get serious, or if you notice any side
effects not listed in this leaflet, please tell your doctor.

Very Rare side effects
These can affect less than 1 in 10,000 patients:
 faintness or dizziness caused by low blood pressure when getting up from
a sitting or lying position.
 hepatitis (liver inflammation) or bile disorder
 hives, hair loss, red or purple patches on the skin, bleeding under the skin
 tingling or numbness of the hands and feet
 agitation, nervousness
 tiredness, generally feeling unwell
 aggravated wheezing
 muscle cramps, muscle weakness
 blurred vision
 flushing
 disorder in passing urine, needing to pass urine at night, increased volume
of urine passed, increased production of urine causing an increase in the
number of times of passing urine
 discomfort or enlargement of the breasts in men
 Painful persistent erection of the penis
Other side effects
The frequency of these side effects is unknown:
 little or no semen ejaculated at sexual climax, cloudy urine following
sexual climax
 eye problems may occur during eye surgery for cataract (cloudiness of the
lens of the eye). See section ‘Take special care with Cardura XL’.
If any of the side effects gets serious, or if you notice any side effects not
listed in this leaflet, please tell your doctor.

5) How to store Cardura XL
 Keep all medicines out of the sight and reach of children.
 Do not use after the expiry date printed on the carton label or blister strip.
 This medicine should not be stored above 30°C. Store in the original
 If your doctor tells you to stop taking the tablets, please take them back to
the pharmacist for safe disposal. Only keep the tablets if your doctor tells
you to.
 If the tablets become discoloured or show any other signs of deterioration,
you should seek the advice of your pharmacist who will tell you what to do.
 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.

6) Further information
Common side effects
These can affect between 1 in 10 and 1 in 100 patients:
 dizziness, feeling of spinning or rotation of surroundings (vertigo),
 low blood pressure
 swelling of feet, ankles or fingers
 bronchitis, coughing, respiratory tract (nose, throat, lungs) infection
 nasal stuffiness, sneezing and/or runny nose caused by inflammation of
the lining of the nose (rhinitis)
 stomach/abdominal pains, feeling/being sick
 urinary tract infection, urinary incontinence (inability to control passing
urine), inflammation of the bladder (cystitis)
 sleepiness, general weakness
 indigestion, heartburn, dry mouth
 back pain, painful muscles
 flu-like symptoms
Uncommon side effects:
These can affect between 1 in 100 and 1 in 1,000 patients:
 constipation, wind, inflammation of the stomach and intestines
(gastroenteritis) which can cause diarrhoea and vomiting
 pain or discomfort on passing urine, need to pass urine more often than
usual, blood in urine
 inflammation of the joints (gout), painful joints, general pain
 swelling of the face
 sleeplessness, anxiety, depression
 reduced or altered sense of touch or sensation of the hands and feet
 increased appetite or loss of appetite, weight gain
 nose bleeds
 ringing in the ears, tremor
 failure/ inability to achieve penile erection
 abnormal results for blood tests which show changes in the way the liver is

What Cardura XL contains:
The active substance is Doxazosin.
Each modified release tablet contains 4.85mg doxazosin mesilate equivalent
to 4mg doxazosin as the active ingredient.
Cardura XL also contain the following ingredients:
polyethylene oxide, sodium chloride, hypromellose, red iron oxide (E172),
titanium dioxide (E171), magnesium stearate, cellulose acetate, polyethylene
glycol, pharmaceutical glaze, black iron oxide (E172).
What Cardura XL looks like and contents of the pack
The tablets are white, round, film-coated and printed ‘CXL4’ on one side with
a hole on the reverse.
Cardura XL 4mg Tablets are available in calendar blister packs of 28 tablets.
PL 10383/0977

Cardura XL 4mg Tablets


Who makes and repackages your medicine?
Your medicine is manufactured by Farmasierra SA –Ctra. N-I Km 26200 –
28700 San Sebastian de Los Reyes, Madrid, Spain. Procured from within the
EU and repackaged by Product Licence Holder: Primecrown Ltd, 28 Sarum
Complex, Uxbridge, Middlesex UB8 2RZ.
Leaflet date: 28.03.2013

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Source: Medicines and Healthcare Products Regulatory Agency

Disclaimer: Every effort has been made to ensure that the information provided here is accurate, up-to-date and complete, but no guarantee is made to that effect. Drug information contained herein may be time sensitive. This information has been compiled for use by healthcare practitioners and consumers in the United States. The absence of a warning for a given drug or combination thereof in no way should be construed to indicate that the drug or combination is safe, effective or appropriate for any given patient. If you have questions about the substances you are taking, check with your doctor, nurse or pharmacist.