What are the symptoms of anal fistula

Anal fistula is the early abscess formation, inflammation mainly,Inflammation dissipated, fistula formation, gradually, gradually reduce the local symptoms. But the complexity of the anal fistula or acute infection, has obvious local inflammatory response, accompanied by systemic symptoms.
1. Discharging anal fistula is the main symptom, pus duration and the number and the number of the fistula, the new generation of fistula, inflammatory response, discharging more pus viscosity, yellow, the smell; time long less, or sometimes no, pus white, thin water if suddenly pus increased, said the new generation. Sometimes fistula mouth is temporarily closed, zero - pus, swelling or a partial body temperature rise, the fistula closure of the mouth. Some, I can Pai gas and feces. Fistula often by anal discharge, as constantly repeated outflow of purulent secretions, anus patients often feel the moist, not net underwear, bring great trouble to the living. The same with the other organs with special fistula symptoms.
2. Fistula patency without inflammatory pain often do not sense pain, only partial Expanding and feeling unwell, walking heavier. When Fistula infection or pus discharge sluggish inflammation and swelling, can cause pain. Fistula often feel rectum and the lower part of the Department of hot anal discomfort when Defecography feel pain.
3. Itching due to pus continually stimulate the perianal skin, often feel itching, perianal damp discomfort, skin discoloration, skin exfoliated, fibrous tissue hyperplasia and thickened, and sometimes formed eczema.
4. Defecation sluggish complexity of the anal fistula mouth long, can cause large anorectal formed around the ring of fibrosis or scar of the cable, the impact of diastolic and anus closed, when the stool was difficult, the feeling is not intended.
5. Systemic symptoms in patients with acute inflammation period and the complexity of the recurrent anal fistula, there will be varying degrees of fever, or associated with suffering from weight loss, anemia,and other symptoms of chronic consumption.
The clinical characteristics of anal fistula seen:
Hill ① pus continually: repeated infection, inflammation often stimulating,continuous outflow from the outside mouth, pollution underpants.
② not natural healing: As the anal sphincter contraction and relaxation, oppression fistula, the impact of pus discharge and difficult healing; fistula bending, and poor drainage; Vomica narrowed, a wall of connective tissue proliferation and adhesion hard can hardly healing.
③ repeated attack, the course Touching, and the illness was complicated: As most of fistula was bending shape, drainage impeded, easy occlusion of the mouth, a pseudo-healing; When Vomica pressure, pus flows sphincter space and can be spread to form new abscess, after a new rupture in the mouth, so the course Touching fistula can be a number of mouth, a number of high charge or evolve into complex anal fistula.