Have uti have taken over-the-counter medicine for 3 days. still having pressure. should i see a doctor?

Yes: it could be more involved and requires a culture and some antibiotics..

See doctor: the best way to treat a bacterial UTI is with antibiotics. A doctor can do or order a urine test to see what's causing your symptoms (if it is a UTI) and prescribe an antibiotic to treat the germ responsible. OTC meds only minimize symptoms, they are not curative. Good luck!