Indicated for infections caused by Streptococcus species (excluding Enterococcus), Escherichia coli, Klebsiella pneumoniae, Proteus species, Haemophilus influenzae, and other susceptible bacteria: Respiratory tract infections such as tonsillitis, peritonsillar abscess, bronchitis, bronchiolitis, bronchiectasis with secondary infection, chronic respiratory disease with secondary infection, pneumonia, lung abscess, etc.; Urinary and reproductive system infections such as pyelonephritis, cystitis, etc.; Intra-abdominal infections such as cholecystitis, cholangitis, peritonitis, etc.; Pelvic infections such as pelvic peritonitis, adnexitis, endometritis, pelvic abscess, parametritis, etc.; Others such as sepsis, etc.