FURANTOIN treatment is generally useful for urinary tract infections caused by the causative organisms of FURANTOIN, but patients need to combine their own situation and use the medication under the guidance of their doctor. FURANTOIN is an antibacterial drug mainly used for the treatment of acute simple lower urinary tract infections caused by Escherichia coli, Enterococcus spp. and Staphylococcus spp. as well as Klebsiella spp. and Enterobacter spp. and other bacteria, and it can also be used for the prevention of urinary tract infections, and it is more useful for the treatment of urinary tract infections caused by the above mentioned causes. Some patients may experience adverse reactions such as nausea, vomiting, diarrhea, headache and drowsiness while taking the drug. The use of FURANTOIN is contraindicated in newborns, full-term pregnant women, patients with reduced renal function, and patients who are allergic to the components of furan drugs. Furaltoyn can be taken with food to help reduce gastrointestinal irritation. Patients should report to the doctor if they experience any discomfort during the treatment with FURANTOIN. In daily life, it is necessary to ensure sufficient rest time, do not overwork.