Anal fistula What are the clinical manifestations

The diverse types of anal fistula, But its performance has the following common characteristics:
① is the main symptom. Generally, the new generation of fistula more viscosity, yellow, taste bad; fistula lack of relatively few, or sometimes no, dilute water; if pus increase, said the new fistula formation. Fistula sometimes temporarily closed, zero - pus, swelling order in the local body temperature rise, the fistula was closed after the rupture, discharge pus, or from gas leakage from the mouth or stool.
② pain: fistula patency without inflammation, it is no pain, only a slight swelling anal local flu, which could be re-run if the mouth closed, fistula depositors plot pus or stool into the fistula, or will add to the pain when Defecography the pain increased, and the blind are often flu rectal fistula and the lower part of the Department of hot anal discomfort, pain when Defecography heavier.
③ Pruritus: anal skin because of pus and other effluents stimulate, and often feeling skin itching.
④ sclerosis or scar: As fistula walls and the repeated stimulation fistula, fibrous tissue hyperplasia, in the wall and fistula formation of the mouth of the tough connective tissue, skin discoloration around fistula frequently manifests itself, shedding skin, sag deformation of the cable hit - sclerosis leading to anus.
⑤ systemic symptoms: Most non-systemic symptoms when anal fistula or violations of the larger of the more deeper, repeated inflammatory infection, it can cause weight loss, anemia, constipation, defecation systemic difficulties, and other symptoms.