FURANTOIN is contraindicated in newborns, the rest of the age of children with indications can be used, it is recommended to follow the doctor’s instructions. Under normal circumstances, children other than neonates can eat, furotoxin is mainly used for sensitive Escherichia coli, Enterococcus spp. and staphylococcus caused by acute simple lower urinary tract infections, but also used for the prophylaxis of urinary tract infections. It is contraindicated in neonates and full-term pregnant women due to the immature erythrocyte enzyme system that may lead to hemolytic anemia, in addition to renal hypoplasia and hypersensitivity to furans. Common adverse drug reactions include nausea, vomiting, diarrhea, rash, drug fever, headache, dizziness, and in severe cases may induce interstitial pneumonitis, jaundice, and renal insufficiency. FURANTOIN is an antimicrobial drug, and its use in children needs to be adjusted according to body weight, and it is recommended that the drug be used in strict accordance with medical advice.