Perianal abscess, also known as perirectal anal canal abscess, perianal abscess has many causes, such as tuberculosis, AIDS fistula, sinusitis, anal fissure and so on.
1. Tuberculosis: the lesion of perianal abscess should be caused by tuberculosis infection, the metabolic process of perianal local tissue abscess formation.
2. AIDS: AIDS patients with low immunity, easy to occur in the perianal area caused by other pathogens infection.
3. anal fistula: common symptoms are persistent or intermittent outflow of a small amount of pus, blood, mucus secretion from the external mouth of the anal fistula, the infection persists and spreads to form an abscess.
4. Anal fistulitis: the main manifestations of defecation, anal distension, anal canal with a feeling of falling, pain, increased anal secretion.
Causes of perianal abscess may have other factors, it is recommended that patients go to the hospital for a detailed examination to clarify the cause of the disease, under the guidance of a professional doctor for targeted treatment.