The cause of the old itching around the anus may be perianal inflammation, anal fissure, hemorrhoids, etc., which can be treated by local use of creams, sitz baths, surgery and other ways.
1. Perianal inflammation: for patients with perianal inflammation, you can usually use saline for cleaning, and local use of zinc chloride or hormone cream; for patients with obvious itching symptoms, you can choose the appropriate antibiotics such as erythromycin ointment according to the pathogenic bacteria.
2. Anal fissure: usually can eat more fiber-rich food and drink more water, can use potassium permanganate solution for sitz bath, if necessary, can be surgical treatment.
3. Hemorrhoids: you can use ointment containing hydrocortisone to relieve itching, usually pay attention to the habits of defecation, when serious, you can take hemorrhoidectomy.
If there is an old itch around the anus, you should seek medical treatment, the relevant drugs should be used under the guidance of a doctor.