尿路感染 (简称尿感 )是由多种病原微生物引起的尿道、膀胱、输尿管、肾盂粘膜和 (或 )肾间质的炎症。病原微生物主要是细菌 ,极少数为病毒、真菌、衣原体和支原体。尿感是泌尿内科最常见的疾病 ,人群发病率约为 2 %。尿感按其是否伴有易患因素分为单纯性尿感和复杂性尿感。单 Urinary tract infection (referred to as urine sensation) is the inflammation of the urethra, bladder, ureter, renal pelvis and / or renal interstitium caused by a variety of pathogenic microorganisms. Pathogenic microorganisms are mainly bacteria, a very small number of viruses, fungi, chlamydia and mycoplasma. Urine flu is the most common urology disease, the incidence rate of about 2% of the population. According to whether it is associated with susceptibility to urinary tract simple urine sensation and complexity of urine. single