Post-Surgery Recovery Questions for Anal Fistula Treatment - Surgery

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Postoperative Recovery Questions Regarding Anal Fistula Surgery


Hello Dr.
Ke: I underwent anal fistula surgery on July 28th of this year.
On August 21st, the doctor told me that I no longer needed to see him.
Now, on September 20th, the external appearance of the wound seems fine, but there is still a small area inside the anus that has not healed, and sometimes I notice yellow-green discharge.
Is this normal?

Chen Tongxue, 20~29 year old female. Ask Date: 2022/09/20

Dr. Ke Fangxu reply Surgery


The wound from a typical fistula surgery usually takes about a month to fully heal, while larger wounds may require a longer time.
If there is no redness, swelling, or pain, it should not be a concern; otherwise, it is advisable to consult the surgeon to check whether the wound is healing slowly or if there is a recurrence.

Reply Date: 2022/09/20

More Info


Post-surgery recovery after anal fistula treatment can be a complex process, and it’s important to monitor your healing closely. Based on your description, it seems you had the surgery on July 28, and by August 21, your doctor indicated that you no longer needed to follow up. Now, as of September 20, you are observing that the external wound appears to be healing well, but you still have a small area inside the anal canal that has not fully healed and is producing yellow-green discharge.

1. Healing Process: It is not uncommon for the internal portion of the wound to take longer to heal than the external part. The anal region is a complex area with a rich blood supply, but it can also be subject to various stresses, including bowel movements, which can affect healing. The presence of a small area that has not healed completely is not unusual, especially in the context of anal fistula surgery.

2. Discharge: The yellow-green discharge you are experiencing could be a sign of normal healing, as some discharge can occur as the body works to heal the tissue. However, it is also important to consider that this could indicate an infection, especially if the discharge is accompanied by increased pain, swelling, or a foul odor. If the discharge persists or worsens, it is advisable to consult your healthcare provider for further evaluation.

3. Normal vs. Abnormal Symptoms: While some discharge can be normal, you should be vigilant for signs of complications. If you notice any of the following, you should seek medical attention:
- Increased pain or tenderness around the surgical site.

- Fever or chills, which could indicate an infection.

- A significant increase in the amount or change in the color of the discharge.

- Any new symptoms, such as bleeding or changes in bowel habits.

4. Follow-Up Care: It’s essential to maintain good hygiene in the anal area to prevent infection. Gentle cleaning with mild soap and water, and avoiding harsh chemicals or scrubbing, is recommended. If your doctor prescribed any topical treatments or medications, ensure you follow those instructions carefully.

5. Activity Level: Depending on your recovery progress, you may need to modify your activities. Avoiding heavy lifting or straining during bowel movements can help reduce stress on the healing tissue. If you are experiencing discomfort during activities, it may be wise to limit those until you have fully healed.

6. When to Seek Help: If you have any concerns about your recovery, do not hesitate to reach out to your healthcare provider. They can provide guidance tailored to your specific situation and may recommend further evaluation or treatment if necessary.

In summary, while some discharge and delayed healing in the anal canal can be part of the normal recovery process after anal fistula surgery, it is crucial to monitor your symptoms closely. If you have any doubts or if your symptoms change, consulting your doctor is the best course of action to ensure a smooth recovery.

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