Female urethra with congestion may be caused by foreign body irritation, infection, allergy and other factors. 1. Foreign body stimulation: such as foreign body stimulation or excessive pressure, resulting in damage to the urethral area, will cause congestion, may also be accompanied by pain, redness and other symptoms. 2. Infection: women do not pay attention to the perineum care, induced urethritis or vulvitis, stimulation by inflammatory substances, will make the urethral opening congestion and edema, accompanied by itching, tingling and other symptoms. 3. Allergy: for example, allergy to sanitary napkins or underwear, so that the urethral region of the allergic reaction, will lead to urethral congestion, accompanied by intense itching, tingling and other symptoms. Female urethral congestion, and accompanied by obvious pain, itching and other symptoms, may be the existence of abnormalities, it is recommended to consult a doctor for examination and treatment.