Fesulf contains 200mg of sulfasalazine, an anti-inflammatory medication used primarily for treating inflammatory bowel diseases like ulcerative colitis and for managing rheumatoid arthritis. It works by reducing inflammation in the intestines and joints.

Typically, take one tablet 2-4 times daily with food to help minimize stomach upset. Follow your healthcare provider's instructions on dosage and duration to ensure effective treatment.

Common side effects include nausea, headache, and rash. If you experience severe or persistent symptoms, or any signs of an allergic reaction, contact your healthcare provider promptly.