How long to uti take to clear?

UTI: Depends upon the type of uti, the treatment , the underlying cause of the infection, and so on. For uncomplicated cystitis this should respond within 24-48 hrs, but may take longer to cure.

Depends site of infe: It depends on site of infection and the antibiotics used.If the culture shows sensitivity to certain antibiotic for lowe UTI it takes 7to10 days for infection to clear.But if the infection is high up in kidneys(pyelonephritis)you may need longer course of antibiotics 2weeks or more to clear the infection.