I had a UTI &took a antibiotic but my abdomen stll feels odd. What show I do now?

See your doctor- See your doctor- they will ask you several questions to focus in to the most likely cause of your abdomen feeling odd. If your abdomen feels tender, and you started to have brown, watery diarrhea, then you should see your doctor- you might be developing a problem called c. Difficile colitis.
Get evaluted. You may need to have a urine culture to see if you still have an infection. It is not recommended if it is an uncomplicated infection. You should see your doctor.