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Any manipulation or handling or foreign material increases the chances of UTI.
Because you are having the stone and the stent
removed recently that remains a strong possibility.
You need a physical examination by your physician and get base line investigations like Chest X Ray
, Complete Blood Counts, Renal Function Test, Fasting and Post-Prandial Blood Sugar, Ultrasound
Abdomen, Urine Compete Examination and culture along with a blood culture
before you start the antibiotics, in view of a strong possibility of complicated UTI later on.
This work up is expected to detect the underlying problem so a definite treatment could be started.
I hope this advise would be helpful for you.
Still if you have any queries or doubts, please write me back,
I would be happy to solve them.
Wish you a great health!