Olsalazine is used to treat ulcerative colitis. Find out how to take it safely and the possible side effects. Olsalazine is also called Dipentum.
What is olsalazine?
Olsalazine is used to treat ulcerative colitis. It works by reducing inflammation in the gut and may lessen symptoms of pain and diarrhoea (runny poo). Olsalazine allows the gut to heal and helps to prevent symptoms from flaring up. Read more about ulcerative colitis.
Supply issue olsalazine 250 mg capsule (Dipentum) |
From February 2021 olsalazine 250mg capsules (Dipentum) will be out of stock long term. This has also affected supplies of the 500mg tablet. Learn more about olsalazine supply issue. |
Dose
In Aotearoa New Zealand olsalazine comes as tablets (500mg).
- Your doctor will start you on a low dose and increase it over a few days to make sure that you're taking a dose that best controls your symptoms. Your dose may be reduced again once your symptoms have improved.
- The usual dose of olsalazine is 500mg twice a day after meals.
- Always take olsalazine exactly as your doctor has told you. The pharmacy label on your medicine will tell you how much olsalazine to take, how often to take it and any special instructions.
How to take olsalazine
- Take olsalazine tablets with a glass of water. Take your dose with or soon after food to reduce side-effects, such as diarrhoea (runny poo) and stomach upset.
- Take your olsalazine dose at the same times each day, usually in the morning and the evening.
- If you forget to take your dose, take it as soon as you remember that day. But if it is nearly time for your next dose, just take the next dose at the right time. Don't take double the dose.
- Olsalazine will start working straight away but it may take a week or so for your symptoms to improve.
Things to consider while you are taking olsalazine
You'll need regular blood tests while taking olsalazine to make sure it's not causing problems with your liver, kidneys or blood.
Olsalazine may interact with other medicines. Tell your doctor or pharmacist about all medicines you are taking including over-the-counter medicines, herbal and complementary medicines and recreational drugs.
Let your doctor know if you are pregnant or breastfeeding.
What are the side effects of olsalazine?
Like all medicines, olsalazine can cause side effects, but not everyone gets them. Often side effects improve as your body gets used to the new medicine.
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For more information on side effects, see the Medsafe consumer information leaflet Dipentum. Did you know that you can report a medicine side effect to the Centre for Adverse Reactions Monitoring (CARM)? Report a side effect to a product |
Learn more
The following links have more information on olsalazine.
Olsalazine NZ Formulary
Dipentum Medsafe Consumer Information Sheet (NZ)
References
Olsalazine sodium NZ Formulary
Dipentum® Medsafe, NZ