Post-Surgery Recovery of Anal Fistula Wound: Signs of Infection? - Surgery

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Postoperative wound healing status after anal fistula surgery?


Hello Doctor, I previously asked you about the healing condition of my anal fissure.
However, when I took a photo of my wound today, I noticed a bright red area and yellow-green discharge.
Is that pus? Does it mean the wound is necrotic or infected? Is the current condition of the wound normal? I am not experiencing much pain anymore, and the discharge has decreased.
Here is the attached photo: https://drive.google.com/file/d/1m-Ni7FPC3Wlo1QLlMTO0X_KqlGwvFoQw/view?usp=drivesdk

Niming, 20~29 year old female. Ask Date: 2021/01/30

Dr. Ke Fangxu reply Surgery


It doesn't look like pus, but whether it is necrotic or infected can only be determined through a physical examination.
If there is no pain and the discharge has decreased, it should not be a major issue.
Online consultations cannot replace in-person examinations.
If there are any concerns, please consult the surgeon.

Reply Date: 2021/01/30

More Info


Post-surgery recovery, especially after procedures like anal fistula surgery, can be a complex process. It's essential to monitor the wound for signs of infection, even after it appears to be healing. Based on your description, the presence of a bright red area and yellow-green discharge could indicate a potential infection.
Infections can occur even after a wound has seemingly healed, particularly if the healing process is complicated by factors such as inadequate blood supply, foreign bodies, or underlying health conditions. The yellow-green discharge you mentioned is often associated with pus, which is a sign of infection. While the reduction in pain and discharge is a positive sign, the new symptoms you are observing warrant careful attention.

Here are some common signs of infection to look out for:
1. Increased Redness: While some redness is normal, especially right after surgery, a sudden increase in redness around the wound can indicate infection.


2. Swelling: If the area around the wound becomes increasingly swollen, it may suggest an inflammatory response due to infection.

3. Heat: The infected area may feel warm to the touch compared to surrounding skin.

4. Pus or Discharge: The presence of yellow, green, or foul-smelling discharge is a common indicator of infection.

5. Fever: A systemic response, such as fever, can indicate that the body is fighting an infection.

6. Increased Pain: If you experience a sudden increase in pain or tenderness around the wound, it may be a sign of infection.

Given your symptoms, it is advisable to consult your healthcare provider as soon as possible. They may want to examine the wound to determine if an infection is present and whether any treatment, such as antibiotics or further intervention, is necessary.

In terms of wound care, here are some general recommendations to help prevent infection:
- Keep the Wound Clean: Gently clean the area with saline or a mild antiseptic solution as directed by your healthcare provider. Avoid using harsh chemicals that could irritate the wound.

- Dress the Wound Properly: Use sterile dressings to cover the wound and change them regularly, especially if they become wet or soiled.

- Avoid Irritation: Be cautious with activities that could irritate the wound area, such as heavy lifting or straining during bowel movements.

- Monitor for Changes: Keep an eye on the wound for any changes in color, size, or discharge. Documenting these changes can be helpful for your healthcare provider.

- Follow Up: Attend all scheduled follow-up appointments with your healthcare provider to ensure proper healing and address any concerns promptly.

In conclusion, while some degree of redness and discharge can be normal during the healing process, the specific symptoms you are experiencing suggest that you should seek medical advice. Early intervention can prevent complications and promote a smoother recovery. Your health and well-being are paramount, so do not hesitate to reach out to your healthcare provider for guidance.

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