Rectal mucosa congestion and erosion, with reasonable treatment, usually about 10 days can be cured. It depends on the treatment measures, individual constitution, severity of the disease and other reasons. Rectal mucosal congestion and erosion is usually caused by proctitis, is an infectious inflammation, may appear erosion, ulceration, abdominal pain, abdominal distension and other symptoms, can also lead to rectal mucosal congestion and erosion, you can take norfloxacin, metronidazole and other medications under the guidance of the doctor for treatment, usually about 10 days can be cured. In daily life, eat less spicy stimulating greasy food, eat less food with high protein content, eat more fresh fruits and vegetables, maintain local hygiene, pay attention to rest, avoid staying up late, regular review, appropriate physical exercise. It is recommended to go to the hospital in time to standardize the treatment, so as not to delay the condition.