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Sulfasalazine: uses, side effects & brands

Written & medically reviewed by Dr. Sanjay Anbu, MBBS · Last reviewed

Sulfasalazine treats inflammatory bowel disease and some forms of arthritis. It belongs to the Laxative & bowel (IBD) medicine group. These relieve constipation or treat inflammatory bowel disease.

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Drug type — dosing is set by your doctor

MeasureRange
Drug classLaxative & bowel (IBD) medicine
TypePrescription
DoseIndividual — ask your doctor or pharmacist

What it is used for

Common brand names

Common side effects

Before taking it — precautions

When to see a doctor urgently

Not a prescription — no dose shown. The right dose of sulfasalazine depends on age, weight, kidney/liver function and the condition, so MedDroid does not show a dose here. Always get your dose from a doctor or pharmacist and the leaflet inside the pack. General educational information only.

Frequently asked questions

Which laxative is safest for regular use?

Bulk-forming (fibre) and osmotic laxatives (like PEG or lactulose) are gentler for longer use; stimulant laxatives are best kept short-term.

What is mesalamine used for?

Mesalamine (an aminosalicylate) reduces gut inflammation in ulcerative colitis and mild Crohn’s disease, and helps keep them in remission.

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Sources & further reading

Reviewed by Dr. Sanjay Anbu, MBBS. MedDroid is an AI medical assistant and can make mistakes. It provides general health information, not a diagnosis or medical advice — always consult a qualified clinician. In an emergency, contact your local emergency number immediately.