dear user i would like to tell you that symptoms of urinary tract infection differ from person to person ..... polyuria which means peeing alot.....urgent to pee......that suggest you have uti... urinary tract infection may be due to fungal or viral or bacterial infection.... you had arisk factor to get urinary tract infection as you mentioned you did you can take it simply and follow these steps to get worry out....... you need to do urine culture as primary investigative test of bacterial infection as in this case you should have antibiotics for treatment ......... about your diarrhea may be caused by viral or bacterial infection of your intestine....infection of the intestine has many causes according to history of begining of symptoms the cause almost detected.... ...stool culture is very helpfyl to detect type of infection as you may get infected with amoeba or salmonnela typhi or shigella or compylobacter bacteria or that should be managed with antibacterial drugs to get out your worry....the first aim of investigations is to know the causative organism comination of both diarrhea and urge to pee may be due to stress and anxiety so try to avoid any stress or drinking wish you healthy life