The constant urge to urinate and pain after urination are signs of frequent and painful urination, and these symptoms are typical of urinary tract infections. It is recommended to always have a routine urine test to see if there are red cells and white cells in the urine. In this case, you must drink more water and urinate more often. Although it is painful to urinate, you should also urinate because urination can excrete the inflammation. You should take broad-spectrum antimicrobials, macrolides are recommended, which are highly concentrated and effective in the urinary tract, the most common ones are roxithromycin, doxycycline and clarithromycin, etc. The symptoms may be relieved by taking the medicine for 3-5 days. It is also recommended to take sodium bicarbonate, which can relieve painful urination, as well as hot compresses on the lower abdomen and perineal cleansing.