Sitafloxacin tablets work as antibacterial. Sitafloxacin Tablets is a broad-spectrum quinolone antibacterial drug with strong antibacterial activity against gram-negative bacteria, gram-positive bacteria, anaerobic bacteria, as well as mycoplasma and chlamydia, etc. It also has good bactericidal effect against many common clinical strains of fluoroquinolone-resistant bacteria, and is used for the treatment of community-acquired pneumonia and urinary tract infections and other infectious diseases. Adverse reactions such as diarrhea, headache, rash, and loose stools may occur with the use of sitafloxacin tablets. Note that it is contraindicated for those who are allergic to the components of the product as well as quinolone antibacterial drugs; contraindicated for pregnant women and children; and used with caution in patients with myasthenia gravis, the elderly, and patients with impaired renal function. Sitafloxacin tablets need to be used under the guidance of a doctor, not self-medication.