It should be much superior within 24 hours, if it isn’t you need a recheck. UTI’s respond very swiftly to antibiotics.
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Attention Ladies, this is Suzi, many people have been writing in asking what the stuff was that I used to clear up my UTI last week, so I wanted to put the link to this stuff here
It is called CT - DM 
It should be much better within 24 hours, if it isn’t you need a recheck. UTI’s respond very quickly to antibiotics.
References :
nurse practitioner
It takes 24 hours for an antibiotic to totally be circulating through your blood stream and the symptoms should subside within a few days, or sooner.
References :
Nurse
It takes a while take some Cleartract from the pharmacy while you wait that should help with all the sypmtoms. UTI"s are horrible =[ goodluck!
References :
How of ? http://goo.gl/fb/6jQoh