What is the cause of perianorectal abscess

Anal abscess refers to perianal abscess, perianal abscess may be related to anal recess infection, trauma and surgical infection, sebaceous cyst and other factors, as follows:

1, anal recess infection: anal recess opening upward, and defecation when the feces move in the opposite direction, easy to lead to feces in the anal recess residue, which will breed a lot of bacteria, secondary infection, the formation of perianal abscess.

2, trauma and surgical infection: if the anus and its surrounding in surgery or trauma after improper treatment, causing local infection, will also appear perianal abscess.

3, sebaceous cyst: anal hair follicle sebaceous gland mouth blockage, the formation of sebaceous cyst, in the case of improper treatment will lead to infection, the phenomenon of perianal abscess.