The redness and swelling of the female urethral opening is recommended to be washed with water, or you can soak with 1:5000 potassium permanganate diluted solution for 3-5 minutes each time, once in the morning and once in the evening, which will soon improve the redness significantly. Women with redness and swelling at the urethra, which is a urethritis, must drink more water and urinate more often. You can also have a routine urine test to assess whether the inflammation is heavy. If it is heavy, then you should increase the oral administration of antibacterial agents. Antibacterial agents such as erythromycin, levofloxacin and enrofloxacin are recommended, and the symptoms will improve significantly in 2-3 days of oral administration. You can also increase the oral administration of proprietary Chinese medicines, such as urine retention tablets, feverfew, and three gold tablets. Through these treatments, most of the symptoms will be relieved soon.