Package Leaflet: Information for the User
Pentasa 2g Prolonged-Release Granules
Mesalazine
Read all of this leaflet carefully before you start taking this medicine because it contains important information for you.
Contents of the pack
Pentasa sachets are indicated for the treatment of mild to moderate ulcerative colitis flare-ups and to help maintain you free of further flare-ups.
Ulcerative colitis is an inflammatory bowel disease in which the lining of the intestine is inflamed and develops many small breaks in its surface (ulcers) that can bleed.
Pentasa sachets contain granules that slowly release the active substance (mesalazine). This helps to reduce inflammation and painful symptoms.
Do not take Pentasa
Warnings and precautions
Consult your doctor or pharmacist before taking Pentasa:
Mesalazine may cause a discoloration of the urine to a reddish-brown color after contact with sodium hypochlorite bleach in the toilet water. This is a chemical reaction between mesalazine and the bleach and is harmless.
Be careful with mesalazine:
Severe skin reactions, including drug reaction with eosinophilia and systemic symptoms (DRESS), Stevens-Johnson syndrome (SSJ), and toxic epidermal necrolysis (TEN), have been observed with mesalazine treatment. Stop taking mesalazine and seek medical attention immediately if you experience any of the symptoms related to these severe skin reactions described in section 4.
While you are taking this medicine, your doctor will normally perform blood and urine tests to monitor your kidney function, especially at the start of treatment.
Using Pentasa with other medicines
Tell your doctor or pharmacist if you are taking, have recently taken, or might take any other medicines. This is especially important if you are taking any of the following medicines:
Pregnancy, breastfeeding, and fertility
If you are pregnant or breastfeeding, or 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 breastfeeding.
Blood disorders have been observed in newborns of mothers treated with this medicine. Newborns may develop allergic reactions after breastfeeding, for example, diarrhea. If the newborn has diarrhea, breastfeeding should be discontinued.
Driving and using machines
This medicine is not known to affect the ability to drive or use machines.
Follow the instructions for administration of this medicine exactly as prescribed by your doctor or pharmacist. If you are unsure, consult your doctor or pharmacist again.
Adults:
To treat a flare-up of colitis,your doctor will normally prescribe a dose of up to 4g of mesalazine per day, which can be taken either once a day or divided into two doses. It can be taken as one sachet of Pentasa 4g or as two sachets of Pentasa 2g once a day. Pentasa 1g prolonged-release granules can also be used to provide the dose that best suits you.
To help you stay free of further flare-ups,your doctor may prescribe 2g of mesalazine per day, administered as one sachet of Pentasa 2g or two sachets of Pentasa 1g once a day.
Use in children and adolescents (aged 6 years and above)
For children and adolescents, the dose will be calculated by your doctor based on body weight. The recommended dose in children and adolescents with a body weight of up to 40kg will be half the usual recommended dose in adults, and for those with a body weight above 40kg, the dose will be the same as the usual recommended dose in adults.
You should take the granules orally (by mouth),immediately after opening the sachet, as described below. Do not chew the granules.
Or
If you take more Pentasa than you should
In case of overdose or accidental ingestion, consult your doctor or pharmacist immediately or call the Toxicology Information Service, telephone 91 562 04 20, stating the medicine and the amount taken.
If you forget to take Pentasa
If you have missed a dose, 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 the forgotten dose.
If you have any further questions on the use of this medicine, ask your doctor or pharmacist.
Like all medicines, this medicine can cause side effects, although not everybody gets them.
Very rare cases of severe allergic reactions (including severe skin reactions that can affect the skin as a protective barrier of the body) have been reported. The allergic reaction could lead to swelling of the face and neck and/or difficulty breathing or swallowing (angioedema). If this happens, contact your doctor or emergency services immediately.
Stop taking mesalazine and seek medical attention immediately if you experience any of the following symptoms:
The following common side effectsaffect between 1 and 10 in every 100 patients treated:
The following rare side effectsaffect between 1 and 10 in every 10,000 patients treated:
The following very rare side effectsaffect less than 1 in every 10,000 patients treated:
Frequency not known(cannot be estimated from the available data)
Isolated cases of benign intracranial hypertension (increased fluid around the brain) have been reported in adolescents. Symptoms include headache, nausea, vomiting, and/or visual or auditory disturbances.
Reporting of side effects:
If you experience any side effects, talk to your doctor or pharmacist. This includes any possible side effects not listed in this leaflet. You can also report side effects directly through the Spanish Medicines and Health Products Agency (AEMPS) website: http://www.aemps.gob.es/. By reporting side effects, you can help provide more information on the safety of this medicine.
Keep this medicine out of the sight and reach of children.
Do not use this medicine after the expiry date which is stated on the packaging and on the aluminum sachet after EXP. The expiry date refers to the last day of the month shown.
This medicine does not require any special storage conditions.
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 protect the environment.
Composition of Pentasa 2g prolonged-release granules
The active substance is mesalazine.
Each sachet contains 2g of mesalazine.
The other ingredients are ethylcellulose and povidone.
Appearance of the product and pack contents
This medicine contains prolonged-release granules. The granules are white-grayish/white pale brown and cylindrical in shape.
This medicine is available in aluminum sachets in packs of:
2g sachets: 60 sachets or 10 sachets (samples).
Marketing authorization holder and manufacturer
Marketing authorization holder
FERRING S.A.U.
C/ del Arquitecto Sánchez Arcas nº3, 1º
28040 Madrid
Spain
Manufacturer
Ferring GmbH
Wittland 11
D-24109 Kiel
Germany
Date of last revision of this leaflet: May 2023
Detailed and up-to-date information on this medicine is available on the website of the Spanish Medicines and Health Products Agency (AEMPS): http://www.aemps.gob.es/
The average price of PENTASA 2 g PROLONGED-RELEASE GRANULES in October, 2025 is around 95.82 EUR. Prices may vary depending on the region, pharmacy, and whether a prescription is required. Always check with a local pharmacy or online source for the most accurate information.