Patients with perianal itching need to be alert to the emergence of anal fissure, anal fistula, anal eczema and hemorrhoids and other diseases.
1. anal fissure: patients with anal fissure due to poor blood circulation in the perianal area, resulting in the development of the disease for a longer period of time, and then the wound lasting can not be healed, resulting in the occurrence of localized inflammation, thus appearing in the perianal itching symptoms.
2. anal fistula: for patients with perianal abscess lesions due to the formation of fistula, so the intestinal excreta will be discharged through the fistula, and then stimulate the skin around the anus, and then the symptoms of itching.
3. anal eczema: patients with anal eczema may be related to hemorrhoids, infection or autoimmunity, there are many specific causes of this disease will also appear after the onset of perianal itching, the local skin has broken manifestations.
4. hemorrhoids: hemorrhoids patients if the formation of hemorrhoidal nuclei will drain the excreta in the anal canal, stimulate the local skin itching, the need for timely surgery to cut off the hemorrhoidal nuclei.
Perianal itching is also seen in other causes, need to go to the hospital in time, early detection and early treatment.