Patient Leaflet Updated 19-Aug-2026 | Atnahs Pharma UK Ltd
Dipentum 500 mg Tablets
Dipentum® 500 mg Tablets
Olsalazine Sodium
1. What Dipentum tablets is and what it is used for
2. What you need to know before you take Dipentum tablets
3. How to take Dipentum tablets
4. Possible side effects
5. How to store Dipentum tablets
6. Content of the pack and further information
Dipentum tablets belongs to a group of medicines called aminosalicylates.
Dipentum tablets works by reducing pain and swelling (inflammation) in the intestine. It reduces the actions of substances in the body that cause inflammation.
Dipentum tablets is used to treat an inflammation of your large intestine (colon) called ulcerative colitis. It is used for short-term (acute) attacks (called "flare-ups"), and at a lower dose to maintain the improvement (maintenance treatment) and keep away further "flare-ups".
If untreated, a severe attack of ulcerative colitis may cause death due to dehydration and bursting of the colon (peritonitis).
If any of the above apply to you talk to your doctor or pharmacist.
Before you start taking Dipentum tablets your doctor will do a blood test. This will be repeated every three months for the first year, every six months for the next four years and then once a year. This is to see how well your liver and kidneys are functioning.
You should also check for signs of worsening of allergies such as asthma.
Tell your doctor immediately if you develop unexplained bruising or bleeding accompanied with fever, dizziness, sore throat and mouth ulcers. You could have developed a blood disorder.
Do not take Dipentum tablets if you are under 12 years of age.
Tell your doctor or pharmacist if you are taking, have recently taken or might have taken any of the following medicines:
Always take Dipentum tablets with a glass of water after food.
If you are pregnant, or trying to become pregnant or breastfeeding, talk to your doctor before taking Dipentum tablets.
If you experience dizziness and/or blurred vision whilst taking Dipentum tablets do not drive or use machinery.
Always use this medicine exactly as your doctor or pharmacist has told you. Check with your doctor or pharmacist if you are unsure.
Important: Your doctor will choose the dose that is right for you. Your dose will be shown clearly on the label that your pharmacist puts on your medicine. If it does not, or you are not sure, ask your doctor or pharmacist.
Remember: Your medicine should always be taken after food.
Do not take more Olsalazine Sodium tablets than you should. If you have taken too much, immediately go to the nearest hospital casualty department or your doctor.
Take your tablets and this leaflet with you.
Signs of taking too much Dipentum tablets include nausea, vomiting and diarrhoea.
Do not take a double dose to make up for a forgotten dose. If you forget a dose take the next one as usual.
Do not stop taking Dipentum tablets without first talking to your doctor even if your symptoms have improved.
If you have any further questions on the use of this medicine, ask your doctor or pharmacist.
This medicine contains small amounts of ethanol (alcohol), less than 100 mg per tablet.
If you have any further questions about the use of this medicine, ask your doctor or pharmacist.
Like all medicines this medicine can cause side effects, although not everybody gets them.
Common: affects less than 1 in 10 people
Uncommon: affects less than 1 in 100 people
Not known: frequency cannot be estimated from the available data:
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.
If you get 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 via the Yellow Card Scheme at: www.mhra.gov.uk/yellowcard or search for MHRA Yellow Card in the Google Play or Apple App Store. 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 carton. The expiry date refers to the last day of that month.
Store in a dry place.
Do not throw away any medicines via wastewater or household waste. Ask your pharmacist how to throw away medicines you no longer use. These measures will help protect the environment.
The active substance is Olsalazine Sodium 500 mg.
The other ingredients are magnesium stearate, colloidal silicon dioxide, polyvidone 30, crospovidone and ethanol.
Dipentum tablets are yellow, capsule-shaped tablets debossed with ‘D500' on one side and scored on the other side.
Dipentum tablets comes in plastic bottles containing 60 and 100 tablets. Not all pack sizes may be marketed.
This leaflet was last revised in July 2023
If this leaflet is difficult to see or read or you would like it in a different format, please contact:
Sovereign House, Miles Gray Road, Basildon, SS14 3FR
(+44) 01268 943 700
+44(0)1748 828801
www.pharmanovia.com
(+44) 01268 943 700
(+44) 01268 943 700