What does a plus sign mean for female urine routine nitrite?

A plus sign in women's urine routine indicates that nitrite is positive, indicating an increase in nitrite content in urine.

Examination of urine routine shows that nitrite is positive, which may be caused by physiological factors, such as low drinking water before examination, excessive concentration of urine, etc., which will lead to a positive result of nitrate. However, it may also be related to diseases, such as urinary tract infection. When there is Gram-negative bacteria infection, a certain amount of nitrite can be produced in urine.

If the patient has symptoms such as urgency, urinary pain, frequent urination, etc., attention should be paid to it and further examination should be done in time.