Olsalazine - oral
Olsalazine - oral
Olsalazine is used to treat a certain type of bowel disease called ulcerative colitis. It does not cure ulcerative colitis, but it may decrease symptoms such as stomach pain, diarrhea, and rectal bleeding caused by irritation/swelling of the colon/rectum. After an attack is treated, olsalazine is used to increase the amount of time between attacks.
Olsalazine is a salicylate anti-inflammatory drug. It is believed to work by blocking the production of certain natural substances (e.g., prostaglandins) that may cause pain and swelling.
This section contains uses of this drug that are not listed in the approved professional labeling for the drug but that may be prescribed by your health care professional. Use this drug for a condition that is listed in this section only if it has been so prescribed by your health care professional.
This drug may also be used for another type of bowel disease called Crohn's disease.
Take this medication by mouth, usually twice a day about 12 hours apart or as directed by your doctor. Take with food or after meals to prevent stomach upset. Dosage is based on your medical condition and response to treatment.
Use this medication regularly in order to get the most benefit from it. To help you remember, use it at the same times each day.
Tell your doctor if your condition persists or worsens.
Headache, nausea, vomiting, or loss of appetite may occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.
Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.
Tell your doctor right away if diarrhea occurs. Your doctor may need to lower your dose or prescribe another medication to treat the diarrhea.
Tell your doctor right away if any of these rare but very serious side effects occur:
A very serious allergic reaction to this drug is rare. However, seek immediate medical attention if you notice any symptoms of a serious allergic reaction, including:
This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.
In the US -
Before taking olsalazine, tell your doctor or pharmacist if you are allergic to it; or to aspirin or related drugs (salicylates such as mesalamine, NSAIDs such as ibuprofen, balsalazide, sulfasalazine); or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
Before using this medication, tell your doctor or pharmacist your medical history, especially of:
This medicine may cause stomach bleeding. Daily use of alcohol may increase your risk for stomach bleeding, especially when combined with this medicine. Check with your doctor or pharmacist for more information.
This medication is similar to aspirin. Children and teenagers should not take aspirin or aspirin-related medications (e.g., salicylates) if they have chickenpox, flu, or any undiagnosed illness, or if they have just been given a live virus vaccine (e.g., varicella vaccine), without first consulting a doctor about Reye's syndrome, a rare but serious illness.
During pregnancy, this drug should be used only when clearly needed. Discuss the risks and benefits with your doctor.
This drug may pass into breast milk and could have undesirable effects on a nursing infant. Consult your doctor before breast-feeding.
Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. Do not start, stop, or change the dosage of any medicines without your doctor's approval.
Some products that may interact with this drug include:
Olsalazine is very similar to mesalamine. Do not use mesalamine medications taken by mouth while using olsalazine.
This medication may interfere with certain laboratory tests (including urine normetanephrine levels), possibly causing false test results. Make sure laboratory personnel and all your doctors know you use this drug.
If someone has overdosed and has serious symptoms such as passing out or trouble breathing, call 911. Otherwise, call a poison control center right away. US residents can call their local poison control center at 1-800-222-1222. Canada residents can call a provincial poison control center.
Do not share this medication with others.
Laboratory and/or medical tests (e.g., kidney/liver function tests) may be performed periodically to monitor your progress or check for side effects. Consult your doctor for more details.
If you miss a dose, take it as soon as you remember. If it is near the time of the next dose, skip the missed dose. Take your next dose at the regular time. Do not double the dose to catch up.
Store at room temperature away from light and moisture. Do not store in the bathroom. Keep all medications away from children and pets.
Do not flush medications down the toilet or pour them into a drain unless instructed to do so. Properly discard this product when it is expired or no longer needed. Consult your pharmacist or local waste disposal company.
Information last revised June 2018.
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