Urinary tract infections, referred to as urinary tract infections, are pathogenic microorganisms that invade the urinary system and multiply in the urine, invading the mucosa or tissues of the urinary tract and causing an inflammatory response. The upper urinary tract and lower urinary tract infection; lower urinary tract infection refers to cystitis and urethritis; upper urinary tract refers to pyelonephritis, the infection is more dangerous, with the highest incidence in infants and children, repeated infection can form renal scar, serious cases can lead to secondary hypertension and chronic renal failure. What drugs do you take for pediatric urinary tract infections? Treatment of pediatric urinary tract infections first for antibacterial, commonly used antibacterial agents for sulfamethoxazole (SME) more and synergist methotrexate (TMP) combined application (i.e., compound Xinomin), the dose of 50mg / (kg / d) in 2 servings general course of treatment for 1 to 2 weeks, but sulfamethoxazole children to use caution, side effects are large, do not use on their own. Antibiotics such as cephalosporin antibiotics and amoxicillin can be chosen. It should be noted that drugs with high blood and kidney concentrations are used for upper urinary tract infections, and drugs with high urinary concentrations are used for lower urinary tract infections. Drugs should be selected according to the pathogenic bacteria examined and their drug sensitivity tests. Low toxicity drugs should be used whenever possible. Infants and children should be treated aggressively and effectively, and if over accompanied by vomiting and depression, intravenous medication is recommended. Cephalosporin antibiotics, especially the second and third generation cephalosporins, have a better effect, as ampicillin (ampicillin) resistant strains have a tendency to increase and have been replaced by amoxicillin and clavulanic acid potassium. Aminoglycosides intravenous drip should be used with caution, not for a long time, usually 5-7 days of medication, quinolones antibacterial effect is stronger, but caution in children under 18 years of age. For fungal-induced urinary tract infections, antifungal drugs are available.