Used primarily as an antimicrobial agent in the treatment of tuberculosis, especially in cases where patients are intolerant to standard first-line drugs. It functions by inhibiting the synthesis of folic acid in mycobacteria, thereby suppressing bacterial growth. It is often administered in combination with other antituberculosis agents to prevent the development of drug resistance. Due to its role as a second-line drug, it is typically reserved for multidrug-resistant tuberculosis (MDR-TB) cases. The compound is also known to have anti-inflammatory properties, which may contribute to its therapeutic effect in chronic inflammatory conditions, though this use is less common. It is usually taken orally and requires prolonged treatment duration, often several months, to achieve full efficacy.