This is a condition when pus can be seen near the anus area. Anal abscess doesn’t have any relation with other health issues. Maximum times the causes are unknown. It starts in a small gland which increases and swollen which create infection underneath the skin. It is commonly seen in the middle aged people who are especially of 20 to 40 years of age. This disease is visible more than women. The location of an anal fistula is near cut of the anus. Generally it doesn’t go deep inside the anal channel or any other anal organs.


Anal fistula is a channel which unnatural and is the relic of the old abscess after it gets flushed. It is the ad-joint of the middle part of the anal canal and the anus skin. Most of the times when the anal sore drains an anal fistula will grow. Many times it has been observed that the opened fistula continuously releases pus or blood. In other cases, the fistula closes for a short period of time which causes the old anal sore to fill up again with a filled pocket of pus. It bleeds and aches after bowel movement. It can be very painful while passing the stool. In many cases it occurs after the operation to clean anal sore.

The indications of the disease are as follows:
    • Prolonged pain, bleeding pus, unbearable when you sit down on a chair.

    • Irritation near the anus area, skin enlargement, skin becomes excessive tender and sensitive

    • Blood and pus release

    • Pain and constipation while passing stool

    • Body temperature


Commonly, an anal fistula can be diagnosed by a digital rectal examination by the doctor. He inserts his hands to the anus to check the fistula. But sometimes some more tests are done to check the reasons of this disease. The doctor may need to know that the patient has any infections which came through physical intimacy. If the patient has any inflammatory bowel ailment or he is suffering from any colon infection. The doctor may also need to know whether the patient is suffering from colon or rectum cancer. To know all of these indications the doctor may suggest for an ultrasound, CT scan, or an MRI.


The treatments for this disease are many. They are as follows:

Fistulotomy: The doctor prefers this surgery in most of the fistula cases. It is a process where the doctor cuts the whole fistula so that the total pus can come out easily. It takes one to two months to heal but with a scar mark.

Seton stich: It is a process where a thread named as seton is kept in the fistula tract. It helps to create space to release the pus continuously. It reduces the chance to infect the area by any kind of infection by letting the fistula tract open.

Advancement flap procedures: It is always advisable when the fistula is complex and in beyond control. In this process the tissues are moved away from the anus area and rectum. It is successful in 70% cases.

Fibrin glue is also used to treat fistula by injecting it into the fistula. It is safe, secured and easy process than the other procedures.

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Billroth Hospitals, 43,
Lakshmi Talkies Road,
Shenoy Nagar,
Tamil Nadu, India.

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