Sulfasalazine USP For Compounding (API)Sulfasalazine USP for Compounding (API) is used in the formulation of customized medications primarily for the treatment of inflammatory conditions such as ulcerative colitis and rheumatoid arthritis. It is a disease modifying anti rheumatic drug (DMARD) that works by reducing inflammation and suppressing the immune system's response. In the gastrointestinal tract, sulfasalazine is broken down into active components that help alleviate symptoms of