How do you know if u have a uti?

UTI. Classic symptoms of UTI includes burning pain during urination, increase frequency and if severe may also present with chills, fever and blood in the urine. If in doubt it is best to have urinalysis.
Uti. Burning micturition, deep colour urine frequency or urgency and if complicated UTI will be assocaited with fever and flank pain.
Discomfort. I usually presents with pian while urinating as well as a feeling of urgency. It may also be associated with some nausea.
Go to your doctor. I recommend going to your physician to determine if you have a UTI and give you the appropriate antibiotics.