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Active substance(s): MESALAZINE

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Pentasa® Sachet 2g Prolonged Release Granules
Your medicine is known by the above name, but will be referred to as
Pentasa sachet throughout this:
Patient Information Leaflet
Read all of this leaflet carefully before you start taking this medicine
because it contains important information for you.
• Keep this leaflet. You may need to read it again.
• If you have any further questions, ask your doctor or pharmacist.
• This medicine has been prescribed for you. Do not pass it on to others.
It may harm them, even if their symptoms are the same as yours.
• If you get any side effect, talk to your doctor or pharmacist. This
includes any possible side effects not listed in this leaflet. See section 4.
What is in this leaflet:
1) What Pentasa sachet is and what it is used for
2) What you need to know before you take Pentasa sachet
3) How to take Pentasa sachet
4) Possible side effects
5) How to store Pentasa sachet
6) Contents of the pack and other information

1) What Pentasa sachet is and what it is used for
Pentasa sachet is used for the treatment of mild to moderate attacks
of ulcerative colitis and to help maintain freedom from further
Ulcerative colitis is an inflammatory bowel disease in which the lining of the
intestine becomes inflamed and develops many tiny breaks in its surface
(ulcers) which may bleed.
Pentasa sachet contains granules that slowly release the active ingredient
(mesalazine). This helps reduce the inflammation and the painful

2) What you need to know before you take Pentasa sachet
Do not take Pentasa sachet
• if you are allergic (hypersensitive) to mesalazine or any of the other
ingredients of this medicine (see Section 6)
• if you are allergic to other salicylates e.g. acetylsalicylic acid
• if you have severe liver and/or kidney problems
Warnings and precautions
Talk to your doctor or pharmacist before taking Pentasa sachet:
• if you are allergic to sulphasalazine (risk of allergy to salicylates)
• if you currently have or have previously had liver or kidney disease
• if you have a medical condition that can make you prone to bleeding
• if you have an active peptic ulcer (stomach ulcer or duodenal ulcer)
• if you are on medication that may affect kidney function e.g. Nonsteroidal anti-inflammatory drugs (NSAIDs) such as aspirin
• if you have lung problems, in particular asthma
• if you suddenly develop abdominal cramps, abdominal pain, fever,
severe headache and rash. In such circumstances you should stop
taking Pentasa immediately.
While you are on treatment with this medicine, your doctor will
normally arrange blood and urine tests to check your kidney function
especially at the beginning of treatment.

Other medicines and Pentasa sachet
Tell your doctor or pharmacist if you are using, or have recently
used, any other medicines - including medicines obtained without
a prescription. This is especially important if you are taking any of the
• azathioprine (used after transplantations or to treat auto-immune
• 6-mercaptopurine or thioguanine (chemotherapy, used to treat
• certain agents that inhibit blood clotting (medicines for thrombosis or to
thin your blood).
Pregnancy, breast-feeding and fertility
If you are pregnant or breast-feeding, think you may be pregnant or are
planning to have a baby, ask your doctor or pharmacist for advice before
taking this medicine.
There is limited experience with the use of mesalazine during pregnancy
and breast-feeding. Blood disorders have been reported in newborns of
mothers being treated with this medicine. The newborn may develop
allergic reactions after breast-feeding, e.g. diarrhoea. If the newborn
develops diarrhoea, breast-feeding should be discontinued.
Driving and using machines
This medicine is not known to affect the ability to drive and/or use

3) How to take Pentasa sachet
Always take Pentasa sachet exactly as your doctor has told you. You
should check with your doctor or pharmacist if you are not sure.
To treat an attack of colitis, your doctor will usually prescribe a dose of
up to 4g mesalazine a day to be taken either once a day or in divided
doses. This may be taken as one Pentasa sachet 4g or two Pentasa
sachet 2g once daily. PENTASA Sachet 1g might also be used to provide
the dose that is most suited to you.
To help maintain freedom from further attacks, your doctor will usually
prescribe 2g mesalazine a day administered as one Pentasa sachet 2g or
two Pentasa sachet 1g once daily.
Use in children and adolescents
Children 6 years of age and older:
The dose for children will be calculated by your doctor and depends on the
child’s weight. It is generally recommended that half the adult dose is given
to children up to 40 kg of body weight and the normal adult dose to
children above 40 kg of body weight.
You should take the granules orally (by mouth), immediately after
opening the sachet, as described below. Do not chew the granules.
1. Open the foil sachet.
2. Empty the contents of the sachet onto the tongue.
3. Wash the granules down immediately with some water or orange juice
ensuring that none remain in the mouth.

If you take more Pentasa sachet than you should
In the event of overdose, contact your doctor or nearest casualty
department immediately.
If you forget to take Pentasa sachet
If you have forgotten to take a dose, then take it as soon as you
remember, and then take the next dose at the usual time. Do not take a
double dose to make up for a forgotten dose.
If you have any further questions on the use of this product, ask your
doctor or pharmacist.

4) Possible side effects
Like all medicines, this medicine can cause side effects, although not
everybody gets them.
There have been very few reports of a severe allergic reaction (including
severe skin erosions that may affect the skin as the protective barrier of
the body). The allergic reaction might lead to swelling of the face and neck
and/or difficulty in breathing or swallowing (Quincke’s oedema). If this
happens contact your doctor or nearest casualty department immediately.
The following common side effects may affect up to 1 in 10 people:
• diarrhoea
• abdominal pain
• nausea
• vomiting
• headache
• rash
• flatulence (passing wind)
The following rare side effects may affect up to 1 in 1,000 people:
• inflammation of some areas of the heart (myocarditis and pericarditis)
which can cause shortness of breath and chest pain or palpitations
(rapid or irregular heart beats)
• inflammation of the pancreas (symptoms include back and/or stomach
• dizziness
The following very rare side effects may affect up to 1 in 10,000 people:
• anaemia and other blood disorders (decrease in the numbers of certain
blood cells, which can cause unexplained bleeding, bruising, fever or
sore throat)
• liver disorders (symptoms include jaundice (yellowing of the skin and/or
eyes) and/or pale bowel motions)
• kidney disorders (symptoms include blood in the urine, and/or oedema
(swelling due to build up of fluid))
• peripheral neuropathy (a condition affecting the nerves of the hands and
feet symptoms include tingling and numbness)
• allergic and fibrotic lung reactions, inflammation of the lining of the lungs
or lung scarring (symptoms include coughing, bronchospasm, chest
discomfort or pain on breathing, breathing difficulties, bloody and/or
excessive phlegm)
• hair loss (this is reversible)
• muscle or joint pain
• inflammation which can affect different parts of the body such as joints,
skin, kidneys, heart etc. (symptoms include painful joints, fatigue, fever,
abnormal or unexplained bleeding (e.g. nose bleeds), bruising, purple

discoloration of the skin (including severe skin erosions and severe
blistering that may affect the skin as the protective barrier of the body)
• accumulation of fluid around the heart (pericardial effusion) which can
cause chest pain or pressure
• change in urine colour
• semen with a low concentration of sperm (oligospermia) (this is
• severe diarrhoea and abdominal pain because of an allergic reaction to
this medicine within the bowel
• allergic reactions and fever may occasionally occur.
There have been very few reports of benign intracranial hypertension
(build up of fluid around the brain) in adolescents. Symptoms include
headache, nausea, vomiting, and/or visual or hearing disturbances.
Reporting side effects
If you get any side effects, talk to your doctor, pharmacist or nurse. This
includes any possible side effects not listed in this leaflet. You can also
report side effects directly via the Yellow Card Scheme at: By reporting side effects you can help
provide more information on the safety of this medicine.

5) How to store Pentasa sachet
• Keep out of the sight and reach of children.
• Store in the original package in order to protect from light.
• Do not use this medicine after the expiry date which is stated on the
carton and foil sachet. The expiry date refers to the last day of that
• 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) Contents of the pack and other information
What Pentasa sachet contains
Each sachet contains mesalazine 2g.
The other ingredients are ethylcellulose and povidone.
What Pentasa sachet looks like and contents of the pack
This medicine contains prolonged release granules. The granules are
white-grey to pale white-brown.
Each carton contains 60 foil sachets.
PL 10383/2056 Pentasa® sachet 2g prolonged release granules POM
Who makes and repackages your medicine?
This product is manufactured by Ferring GmbH, Kiel, Germany. Procured
from within the EU and repackaged by the Product Licence Holder:
Primecrown Ltd., 4/5 Northolt Trading Estate, Belvue Road, Northolt,
Middlesex, UB5 5QS.
Leaflet date: 26.10.2016
Pentasa is a registered trademark of Ferring B.V., The Netherlands.

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