A bag on the anus may be a perianal abscess, rectal polyp, etc.. You should go to the hospital in time to clarify the cause of the disease.
1. Perianal abscess: perianal abscess refers to the acute purulent infection of the soft tissues around the anal canal and rectum or the peripheral interstitial space, pus exudate aggregation after the formation of abscess, fluctuation is generally presented as positive. Usually can be clear through the perianal ultrasound, once clear, should be timely for perianal abscess incision and drainage surgery and other treatment.
2. Rectal polyps: rectal polyps if the distance from the anus is relatively close, in the stool stimulation, the tip is easy to detach from the anus, resulting in a soft swelling. In this case, should be timely enteroscopic surgery to remove the treatment, and then sent to the Department of Pathology to diagnose the nature of the source.
Found a bag on the anus, in addition to the above diseases, there may be other causes of disease, it is recommended to go to the hospital in a timely manner to clarify the cause of the disease, under the guidance of a professional doctor to carry out reasonable treatment.