Balsalazide is an anti-inflammatory medication used to treat mild to moderate ulcerative colitis, a condition causing inflammation and ulcers in the colon. It works by delivering mesalamine directly to the large intestine, where it reduces inflammation and relieves symptoms like diarrhea, rectal bleeding, and abdominal pain. Typically taken orally, balsalazide is generally well tolerated, though it may cause headache, nausea, or joint pain. Use should be guided by a healthcare professional, with regular monitoring for effectiveness and side effects.