Is Fistula Surgery Painful? All You Need to Know
27 February 2023

Is Fistula Surgery Painful? All You Need to Know

If you have been diagnosed with an anal fistula, the first question on your mind is probably, “Will the surgery hurt?” It is a fair concern. An anal fistula already causes pain, discharge and discomfort, and the thought of an operation in such a sensitive area can feel frightening.

The short answer is that the surgery itself is not painful, because it is done under anesthesia. Some pain after the operation is normal, but it is usually mild to moderate and can be well controlled with medicines and simple care. Modern techniques have also made recovery easier than it used to be.

In this article, we explain what causes pain after fistula surgery, how long it lasts, how to manage it and what to expect from recovery.

What Is an Anal Fistula?

An anal fistula is a small tunnel that forms between the inside of the anal canal and the skin around the anus. It usually develops after an anal abscess (a collection of pus) that does not heal properly. Typical signs are repeated pain and swelling near the anus, discharge of pus or blood, skin irritation and, sometimes, fever. To learn the basics, read our guide on what is a fistula, and to recognise the warning signs, see the symptoms of fistula.

Anal fistulas are not common in the general population. They are most often seen in adults in their 30s and 40s, and are more frequent in men. Other conditions, such as Crohn’s disease, previous anal surgery or infections, can also lead to a fistula. Fistulas can also occur in other parts of the digestive tract, and you can read about the causes of a gastrointestinal fistula for more detail.

Do Fistulas Need Surgery?

In most cases, yes. An anal fistula rarely heals by itself, and medicines such as antibiotics may reduce infection and pain for a short time, but they do not close the tunnel. Without treatment, the fistula tends to cause repeated abscesses and can become more complex over time. Surgery is the standard treatment, and you can read more in our overview of fistula surgery.

Types of Fistula Surgery

The best operation depends on where the fistula is and how much of the sphincter muscle (the muscle that controls stool) it passes through. Common options include:

  • Fistulotomy: The tunnel is opened and left to heal from inside out. It works well for simple, low fistulas, but it is not suitable if a large amount of sphincter muscle is involved.
  • Seton placement: A thin thread or drain is placed through the tunnel to keep it open and drain pus. It is often used for complex fistulas, either as a first stage or as a long-term measure.
  • LIFT (ligation of the intersphincteric fistula tract): The tract is closed between the sphincter muscles without cutting them, which lowers the risk of problems with bowel control.
  • Advancement flap: The internal opening is covered with a flap of healthy tissue. It is used for some complex fistulas.
  • Video-assisted anal fistula treatment (VAAFT) and other minimally invasive techniques: Fine instruments and a camera are used to treat the tract from inside, with the aim of causing less tissue damage and less pain.
  • Fibrin glue, plugs and other sphincter-saving options: These are sometimes used in selected patients, though success rates vary.

Your surgeon will choose the method after examining you and, if required, doing an MRI or an ultrasound scan to map the tunnel.

Is Fistula Surgery Painful?

During surgery: No. The operation is done under spinal or general anesthesia, and sometimes with local anesthesia in simple cases. You will not feel pain during the procedure.

After surgery: Some pain and discomfort are expected, especially in the first few days. It is usually mild to moderate and is felt around the wound, particularly when you pass stool or sit for long. Most people find that the pain improves steadily over the first week or two. Wounds that are left open to heal can take several weeks to close fully, though they hurt less as time goes on.

What Affects the Level of Pain?

  • Type of fistula: Simple fistulas heal more easily, while complex or multiple fistulas need more extensive surgery.
  • Surgical technique: Sphincter-sparing and minimally invasive techniques may cause less pain than procedures that involve a larger wound.
  • Size and depth of the wound: A larger wound takes longer to heal.
  • Individual pain tolerance: People feel pain differently.
  • Bowel habits: Constipation and straining can increase the pain after surgery.
  • Aftercare: Following wound care instructions reduces pain and the risk of infection.

How to Manage Pain After Fistula Surgery

  • Take the painkillers and antibiotics prescribed by your doctor, and do not skip doses.
  • Take warm sitz baths (sitting in warm water for 10 to 15 minutes) a few times a day, especially after bowel movements, as advised by your surgeon.
  • Use stool softeners and eat plenty of fiber, and drink lots of water, so stools stay soft and easy to pass.
  • Keep the wound clean and dry, and change dressings as instructed.
  • Avoid sitting for long periods on hard surfaces. A soft cushion can help.
  • Do not strain during bowel movements.
  • Avoid heavy lifting and strenuous exercise until your surgeon allows it.
  • Go to all follow-up visits so that healing can be monitored.

Recovery Time After Fistula Surgery

Many people go home on the same day or the next day. Light work is often possible within one to two weeks, though this depends on your job and the type of surgery. Full wound healing may take from a few weeks to a couple of months, and complex fistulas may take longer. Your surgeon will give you a timeline based on your case.

Risks and Complications

Fistula surgery is generally safe, but like any operation it carries some risks:

  • Infection or bleeding
  • The fistula coming back (recurrence)
  • Difficulty holding in gas or stool (incontinence), which is more of a concern in complex or high fistulas
  • Delayed wound healing
  • Urinary retention in the first few hours after surgery, which usually settles quickly

An experienced surgeon and the right choice of technique greatly lower these risks. Be sure to ask your surgeon about the risk of recurrence and bowel control for your particular type of fistula.

When to Call Your Doctor After Surgery

Contact your doctor if you have:

  • Severe pain that is not controlled by medicines
  • High fever or chills
  • Increasing redness, swelling or foul-smelling discharge from the wound
  • Heavy bleeding
  • Difficulty passing urine or stool

Fistula Treatment in Jaipur with Dr. Kapileshwer Vijay

Choosing an experienced surgeon is one of the most important steps in a smooth recovery. If you are looking for a fistula doctor in Jaipur, you can consult Dr. Kapileshwer Vijay, a gastro surgeon who treats anal fistulas. You can read about his background and experience and find details of the fistula surgery in Jaipur offered at Gastro Clinic. Each patient is examined individually, and the technique is chosen to treat the fistula while protecting bowel control and keeping pain and recovery time to a minimum.

To book an appointment, call 6376993553.

FAQs: Is Fistula Surgery Painful?

1. Is fistula surgery painful?

You will not feel pain during surgery because anesthesia is used. After the operation, there is usually mild to moderate pain, especially in the first few days and during bowel movements. It is controlled with medicines and sitz baths.

2. How long does the pain last after fistula surgery?

Most people notice a clear improvement within one to two weeks. Some tenderness and discharge can continue for a few weeks while the wound heals, depending on the type of surgery.

3. Which type of anesthesia is used for fistula surgery?

It is usually done under spinal or general anesthesia, and sometimes local anesthesia for simple cases. The anesthetist and surgeon will choose the best option for you.

4. Can a fistula heal without surgery?

It is very unlikely. Antibiotics and creams can help with infection and symptoms, but they do not close the tunnel. Surgery is generally needed for a permanent cure.

5. How long does fistula surgery take?

It depends on the complexity. A simple procedure can take 20 to 30 minutes, and a complex one can take an hour or more.

6. Do I need to stay in the hospital?

Many patients go home the same day or after one night. A longer stay may be needed for complex cases or if other medical conditions need monitoring.

7. How long is the recovery after fistula surgery?

Most people return to light work in one to two weeks. Complete healing of the wound usually takes a few weeks to two months, and longer for complex fistulas.

8. Is laser or minimally invasive fistula surgery less painful?

Newer minimally invasive and sphincter-saving techniques are designed to cause less tissue damage, which often means less pain and a faster return to routine. However, they are not suitable for every fistula, and success rates differ. Your surgeon will advise the most suitable method.

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