Of the three major anorectal conditions — piles, fissure, and fistula — an anal fistula is the one that patients find most confusing and often the most frightening. The ongoing discharge, recurrent infections, and the knowledge that it ‘needs surgery’ can make people avoid addressing it entirely.
The reality is more reassuring than many expect. Modern treatment for anal fistula has advanced considerably, with minimally invasive techniques that reduce pain, preserve normal bowel function, and allow most patients to recover quickly. This guide covers everything you need to know.
What Exactly Is an Anal Fistula?
An anal fistula is an abnormal channel or tunnel that forms between the inner lining of the anal canal and the skin around the outside of the anus. Imagine a tiny, infected tunnel running underneath the skin — connecting the inside of the bowel to the surface.
This tunnel develops as a result of infection. Inside the anal canal are several small glands whose job is to secrete mucus. When one of these glands gets blocked, bacteria accumulate, leading to an abscess — a painful pocket of pus.
In approximately half of all anal abscesses, once the abscess drains on its own, the channel does not close properly and persists as a fistula.
What Causes an Anal Fistula?
- A previous anal abscess that did not heal completely
- Repeated or poorly drained anal abscesses
- Crohn’s disease — a chronic inflammatory condition that significantly increases fistula risk
- Tuberculosis of the anorectal region (more prevalent in India than in Western countries)
- Trauma or prior anorectal surgery
- In rare cases, radiation therapy or diverticular disease
Recognizing the Symptoms
Anal fistula has a very distinctive set of symptoms that — once understood — make it easier to identify:
Persistent Discharge
The most telling symptom is a chronic discharge of pus, blood, or fluid from a small opening near the anus. This may stain undergarments and carry an unpleasant odour. The discharge is often cyclical — it builds up (as an abscess) and then releases through the opening.
Pain and Swelling
There is usually a dull, throbbing pain around the anus that worsens when sitting or during bowel movements. If a new abscess is forming, the pain intensifies sharply and is accompanied by swelling and redness.
Skin Irritation
The constant moisture and discharge can cause the skin around the anus to become raw, irritated, and itchy. Some patients develop secondary skin infections in this area.
Recurrent Abscesses
If you have had a perianal abscess treated once and it keeps coming back in the same location, a fistula is very likely the underlying cause. Without treating the fistula tract itself, the abscess will simply re-form.
Fever and General Malaise
In cases where the fistula has become severely infected, patients may develop a fever, chills, and feel generally unwell. This warrants urgent medical attention.
When Home Remedies Are Not Enough
If the fistula is still causing significant pain after 4 to 6 weeks of consistent home treatment, or if it has already become chronic, it is time for medical intervention.
Foods and Habits to Avoid
- Spicy foods, which can aggravate the anal lining
- Alcohol, which dehydrates the body and hardens stools
- Prolonged sitting on the toilet
- Ignoring the urge to defecate — this causes the stool to harden further
- Straining — if passing stool requires great effort, seek treatment for constipation first
How Long Does a Fistula Take to Heal?
A fistula can heal with proper home care within 4 to 8 weeks. At Sai Piles Injection Clinic, our 100% Ayurvedic Injection Therapy is a quick injection procedure that provides permanent relief within a few weeks.
This is far more effective — and far less frightening — than people imagine. The procedure takes under 5 minutes, requires no anaesthesia, and you can return home immediately afterward.
In the vast majority of cases, no. The tunnel-like tract does not close permanently without treatment because the internal opening remains. We have an injection therapy procedure that can treat it permanently without an operation.
We have a very effective treatment procedure that can treat fistula permanently with minimal pain.
This totally depends on how severe your fistula is. After a thorough inspection, the doctor will give the exact recovery time. But you can start your normal routine life on the first day itself.
No, since our treatment is purely injection therapy-based, we are not disturbing the sphincter, so no incontinence.
Permanent Relief is Possible
Living with fistula pain is not something you have to accept. At Sai Piles Injection Clinic, we offer gentle, Ayurvedic injection treatments tailored to your condition. Book a consultation and get the relief you deserve.