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DIPYRIDAMOLE BP 25MG

Active substance(s): DIPYRIDAMOLE

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PATIENT INFORMATION LEAFLET

PYRIDANTIN TABLETS

CURRENT
Pyridantin is also used as an anti-coagulant for the
prevention of thromboembolism, a condition associated
with artificial heart valves.

Dipyridamole BP

PLEASE READ THIS LEAFLET CAREFULLY BEFORE
YOU START TAKING THIS MEDICINE.
KEEP THIS LEAFLET UNTIL YOU HAVE FINISHED ALL
THE PRESCRIBED COURSE OF PYRIDANTIN.
IF YOU HAVE ANY QUESTIONS CONCERNING YOUR
MEDICINE ASK YOUR DOCTOR OR PHARMACIST FOR
MORE INFORMATION.
What is in your medicine?
The name of this medicine is Pyridantin and it contains a
substance called dipyridamole.
Pyridantin tablets come in two strengths: Pyridantin 25 mg
or Pyridantin 100 mg.
Pyridantin 25 mg contains 25mg dipyridamole, together with
the excipients lactose, maize starch, povidone,
pregelatinised starch, magnesium stearate, bleached
shellac, sucrose, talc, titanium dioxide, beeswax, carnauba
wax and the colour orange.
Pyridantin 100 mg contains 100 mg dipyridamole, together
with the excipients lactose, maize starch, povidone,
pregelatinised starch, magnesium stearate, bleached
shellac, sucrose, talc, titanium dioxide, beeswax, carnauba
wax.
Pyridantin tablets of both strengths are available in
containers and blister packs of 28, 30, 50, 56, 60, 84, 100,
250, 500 and 1,000 tablets.
How does Pyridantin work?
Pyridantin belongs to a group of medicines, the anticoagulants, which act by preventing the clotting of blood.
If you are not sure why you have been prescribed
Pyridantin, then please ask your doctor.
The Manufacturer of Pyridantin is:
Dr Reddy’s Laboratories (UK) Ltd., 208-214 York Road,
Battersea, London SW11 3SD
The Product Licence holder is:
Chelonia Healthcare Limited, Boumpoulinas 11, 3rd Floor,
Nicosia, P.C. 1060, Cyprus
Why have you been prescribed Pyridantin?
Pyridantin tablets are used mainly as a medicine to prevent
blood clotting in veins and arteries, and in the prevention of
blocking of blood vessels after grafting of arteries following
on operations such heartildren:
by-pass surgery.

Check before you take these tablets
Before taking this medicine, tell your doctor if you have ever
had any unusual or allergic reactions to dipyridamole or any
of the other ingredients of Pyridantin, or other anti-coagulant
medicines.
Also tell your doctor or pharmacist if you are allergic to any
other substances such as foods, preservatives or dyes.
Do not use Pyridantin tablets if you are pregnant, or likely to
become pregnant. Tell your doctor or pharmacist if you are
breast-feeding.
The presence of other medical problems may affect the use
of this medicine. Make sure, therefore, to tell your doctor or
pharmacist if you have any other medical problems,
especially:
• Cardiac conduction difficulties (alteration in the
regularity of heart beats)
• Coagulation disorders.
• Angina which is getting worse.
• Sub-valvular aortic stenosis (hardening of the main
artery of the body just below the heart valves.
• A recently occurring myocardial infarction (coronary
thrombosis).
Can you take Pyridantin with other medicines?
You can take these tablets with other medicines, but there
are some medicines which can interfere with Pyridantin
tablets. It is very important to tell your doctor or pharmacist
about all the medicines which you are taking, whether or not
any medicines were prescribed by your doctor or bought
without a prescription from the pharmacy or elsewhere, such
as any antacid products, any other anti-coagulant
medicines. Avoid taking antacids. Pyridantin may increase
the effects of other anti-coagulants. If you are to receive
adenosine tell your doctor you are taking Pyridantin.
When and how to take Pyridantin
Pyridantin tablets should be taken by mouth, usually before
meals in dosages prescribed by your physcian.
Common Dosages:
Adults and the Elderly:
300 – 600 mg daily in three or four doses.
Children:
The normal total oral daily dose is 5 mg/kg bodyweight in
divided doses.

CURRENT
What to do if too many tablets are taken at the same
time
If you accidentally take more tablets than recommended
contact your doctor or hospital Accident & Emergency
Department at once.
What to do if you miss a dose
If you miss a dose, skip the missed dose and go back to
your regular dosage schedule. Do not double the dose.
If you feel that this medicine is not working as well after you
have taken it for a short time (1-2 weeks) do not increase
the dose, instead check with your doctor.
What side effects can Pyridantin tablets have?
If side effects do occur, it is usually during the early stage of
treatment and the side effects are often related to the dose.
Occasionally headache may occur which normally
disappears with dosage reduction. Also, occasionally,
dizziness, faintness, indigestion, mild diarrhoea and myalgia
(pain in the muscles) have been reported.
Other less common side effects include: hot flushes, low
blood pressure, increased heart rate, hypersensitivity
reactions such as rash, itching, swelling and wheezing,
worsening of the symptoms of heart disease.
Very rarely increased bleeding times during or after surgery
and blood disorders have been reported.
Tell your doctor if any of the above symptoms persist, or
indeed any other symptoms not mentioned above become
troublesome during treatment.
Storing your medicine
You must keep the medicine in a safe place where children
cannot get it. Your medicine could harm them.
Store below 25ºC in well closed containers. Protect from
light.
On the label you will find the words "Expiry Date" followed
by numbers indicating the day, month and year. This is the
date when the medicine is no longer fit for use. Do not use
Pyridantin after this date.
A reminder
REMEMBER this medicine is for you. Never give it to
someone else, even if their symptoms are the same as
yours.
This leaflet does not contain the complete information about
your medicine. If you have any questions or are not sure
about anything, ask your doctor or pharmacist who have
access to additional information.
This leaflet was revised in February 2009

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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.

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