Inflammation of the urethra can appear as redness and swelling of the urethra, pain, especially burning-like pain or stinging pain when urinating, often caused by the accumulation of miscellaneous bacterial infections near the urethra, the infection is mostly Gram-positive cocci. The treatment suggests local topical application of Bactrim ointment or erythromycin ointment, applied to the red, swollen, painful area, 2-3 times/day, and pay attention to drying the urine residue when urinating to keep the area clean and dry, and observe the improvement of pain and redness. If the effect of topical drug treatment is not satisfactory, or accompanied by urinary frequency and urgency during urination, painful urination, pain in the abdomen, lumbago and other symptoms, the presence of combined urinary tract infection should be considered, and oral antibiotics are recommended for treatment. You can choose levofloxacin capsule 1 capsule, 3 times/day, and take it orally continuously until 7 days. You can use cefazolin sodium 1 gram intravenous infusion, 1-2 times/day for 3-5 days, and observe whether the symptoms improve.