Post-Surgery Concerns: Healing After Fistula Surgery - Surgery

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Post-fistula surgery


Hello Doctor, I underwent an anal fistula excision surgery on January 11th using traditional surgical techniques, and it has been almost three months since then.
However, it has not completely healed.
I usually do not feel any discomfort, but I notice fresh blood after using the restroom, which stops quickly and is not a large amount.
The surgeon mentioned that the tissue inside has healed, and only the outer layer of skin is left to heal, so I shouldn't worry too much.
Is that correct? What could be causing this? Should I apply antibiotic ointment? I have attached photos from normal times and after using the restroom.
Thank you for your guidance, Doctor.

Chester, 20~29 year old female. Ask Date: 2024/04/04

Dr. Zhang Shuhao reply Surgery


Your wound looks clean and shows no signs of infection or inflammation.
If there is only a thin layer of skin remaining, it may be due to the initial depth of the wound or increased tension in the surrounding skin.
Just keep the wound clean and allow it to heal gradually.
You can apply a small amount of ointment if there is bleeding from friction, and make sure to return for regular check-ups to monitor the wound.

Reply Date: 2024/04/04

More Info


After undergoing fistula surgery, it's common to have concerns about the healing process, especially if you are experiencing symptoms like bleeding after bowel movements. Based on your description, it seems that you are approximately three months post-surgery, and while your surgeon has indicated that the internal tissue has healed, you are still experiencing some bleeding, which can understandably be concerning.

Firstly, it's important to recognize that healing from surgical procedures, particularly those involving the anal region, can vary significantly from person to person. The fact that you are not experiencing pain or discomfort during your daily activities is a positive sign. However, the occurrence of fresh blood after bowel movements suggests that there may still be some irritation or incomplete healing of the superficial layers of tissue.

The bleeding you describe, which stops quickly and is minimal in quantity, could be attributed to several factors:
1. Incomplete Surface Healing: Even if the deeper tissues have healed, the outer layer of skin may still be in the process of regenerating. This can lead to minor bleeding, especially during bowel movements when the area is subjected to pressure and friction.

2. Friction or Irritation: The act of passing stool can cause friction in the anal area, particularly if the stool is hard or if there is straining involved. This can lead to minor abrasions or irritation of the healing tissue.

3. Dietary Factors: A diet low in fiber can lead to constipation, which may result in harder stools that can irritate the surgical site. Ensuring adequate fiber intake and hydration can help maintain softer stools and reduce the risk of irritation.

4. Infection or Inflammation: While you mentioned that you are not experiencing significant pain, it is still possible for a mild infection or inflammation to occur, which could contribute to bleeding. Signs of infection may include increased redness, swelling, or discharge.

Regarding the use of antibiotic ointment, it is generally advisable to follow your surgeon's recommendations. If your surgeon has not specifically instructed you to apply an antibiotic ointment, it may not be necessary. However, if you notice any signs of infection or if the bleeding persists or worsens, it would be prudent to consult your surgeon for further evaluation.

In summary, while some bleeding can be normal during the healing process, especially in the context of recent surgery, it is essential to monitor your symptoms closely. If the bleeding continues or if you develop any new symptoms, such as increased pain, swelling, or discharge, you should reach out to your healthcare provider for further assessment. They may recommend additional treatments or interventions to promote healing and ensure that there are no underlying complications.
In the meantime, consider maintaining a high-fiber diet, staying well-hydrated, and practicing gentle bowel habits to minimize strain during bowel movements. These measures can help facilitate a smoother healing process and reduce the likelihood of irritation at the surgical site.

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