Indication: Irritable bowel syndrome, spastic colon, gastroenteritis, diseases of the stomach, duodenum and esophagus, preparation for endoscopic examinations (esophagoscopy, gastroscopy, duodenoscopy and proctoscopy).

Indication: Gastroenteritis, bacillary dysentery and other intestinal infections caused by sensitive bacteria.

Indication: 1. Typhoid and other Salmonella infections: It is the drug of choice for typhoid and paratyphoid caused by sensitive strains. It is generally not suitable for gastroenteritis caused by Salmonella. It can still be used if the condition is serious and there is a possibility of septicemia. 2. Mild to moderate anaerobic infections, such as infections caused by Bacteroides fragilis, are especially suitable for those with lesions involving the central nervous system. It can be used in combination with aminoglycoside antibiotics to treat abdominal and pelvic infections to control the simultaneous presence of aerobic and anaerobic infections. 3. Rickettsial infections can be used to treat Q fever, Rocky Mountain spotted fever, endemic typhus, etc.