FURANTOIN tablets can be used to treat acute simple lower urinary tract infections caused by Escherichia coli, Enterococcus spp. and other infections, and it is recommended that patients use the drug as prescribed by the doctor. FURANTOIN tablets belong to a kind of antibacterial drugs, clinically found that Escherichia coli, enterococci, Klebsiella, staphylococcus and so on are sensitive to FURANTOIN tablets. Therefore, this drug is often used to treat acute simple lower urinary tract infections caused by the above pathogenic bacteria, and it is also found that FURANTOIN tablets can be used as a preventive drug for urinary tract infections. Adverse reactions such as nausea and vomiting, headache, diarrhea, dizziness and drowsiness may occur in some patients after application of FURANTOIN tablets. The application of FURANTOIN tablets is also contraindicated in special groups such as newborns, pregnant women, people with reduced renal function and those who are allergic to furan drugs. Since the drug can cause irritation to the gastrointestinal tract, this medication can be taken with food. It is recommended to use FURANTOIN tablets under the guidance of a doctor, and not to use the drug or increase or decrease the dosage at will, in order to prevent overdose of the drug leading to drug poisoning. If you have any other questions, it is recommended to consult a professional doctor for guidance.