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Anal Fistula Treatment in Kolkata

Experiencing pain, swelling, or repeated discharge near the anal area? These symptoms might point to an anal fistula. In this chronic condition, an abnormal tract develops between the anal canal and the skin, often following an untreated or poorly healed abscess (a pocket of pus).

Anal fistulas rarely resolve on their own. So, consult with Dr. (Maj) Ranajoy Dutta, a trusted anal fistula doctor in Kolkata, if you notice constant symptoms.

What is Anal Fistula?

An anal fistula typically forms when an anal abscess doesn’t heal completely and leaves behind a tunnel-like tract under the skin. This tract can repeatedly fill with pus, drain, or become infected again. If untreated, it can lead to recurring infections, discomfort, and, in some cases, complications like incontinence.
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Anal Fistula Types

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Intersphincteric Fistula

The most common type, where the fistula passes through the internal sphincter but leaves the external sphincter intact.

External Piles icon

Transphincteric Fistula

The fistula passes through both the internal and external sphincters.

Prolapsed Piles icon

Suprasphincteric Fistula

The fistula extends through the internal sphincter and superiorly, passing above the external sphincter to the perineum; includes horseshoe abscess.

Extrasphincteric Fistula icon

Extrasphincteric Fistula

A rare condition where the fistula connects the rectum and perineum, extending laterally through both sphincters; difficult to treat while preserving the sphincter complex.

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Subcutaneous/Submucosal Fistula

A superficial and short fistula that doesn’t affect the anal sphincter.

Anal Fistula Causes

Infected anal glands or abscess
Crohn’s disease or other bowel inflammatory disorders
Tuberculosis or sexually transmitted infections (rare)
Trauma or previous anorectal surgery
Diverticulitis or other bowel diseases
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Anal Fistula Symptoms

Anal Fistula Symptoms

Persistent pain around the anus
Swelling or a visible opening near the anus
Recurrent pus or foul-smelling discharge
Irritation or redness in the anal region

Discomfort during bowel movements

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Anal Fistula Symptoms

Anal Fistula Diagnosis

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MRI

Endoscopic Ultrasound (EUS) icon

Endoscopic ultrasound

Cystoscopy (camera into the bladder)

Fistulography

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Examination under anesthesia

Anal Fistula Treatment

Depending on the fistula type and location, surgery is often the definitive solution. Dr. Dutta uses the most appropriate technique depending on the type of fistula. This may include fistulotomy, where the tract is opened and cleaned, or advanced procedures like seton placement or laser surgery for more complicated cases. The goal is to remove the infection, allow healing, and preserve continence.

Healing time is generally short with proper care, and patients usually return to normal life quickly with minimal discomfort.

Don’t ignore constant anal fistula pain or discharge. Book a consultation with the leading anal fistula surgeon in Kolkata, Dr. Ranajoy Dutta, today for safe and effective anal fistula treatment.

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    FAQS

    Got Questions? We’ve Got Answers.

    What causes an anal fistula?

    Anal fistula occurs primarily due to an infection or abscess that didn’t heal properly.

    How is an anal fistula diagnosed?

    Through physical examination and sometimes imaging, such as an MRI or ultrasound, for complex cases.

    Is surgery necessary for an anal fistula?

    Yes, surgery is usually required to treat and prevent recurrence permanently.

    Can an anal fistula come back after surgery?

    With proper technique and care, recurrence is rare but possible in complex cases.

    How long is recovery after fistula surgery?

    Most patients recover within 1–2 weeks with proper care.