Post-Surgery Care for Fistula Removal: When to Seek Medical Attention - Surgery

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Post-fistula surgery


Hello Doctor, I underwent fistula removal surgery on January 11th, and during my follow-up appointment on the 15th, the doctor said there was no infection and advised me to continue with my recovery.
Recently, I have been noticing a light yellow discharge, and today I discovered a thin film over the wound.
Could this be a biological membrane following an infection? I was originally scheduled for a follow-up appointment next Monday; should I see the doctor sooner? Thank you for your attentive response.
Wound photo: https://myppt.cc/8BySJ Password: 0413

Chester, 20~29 year old female. Ask Date: 2024/01/20

Dr. Zhang Shuhao reply Surgery


The wound appearance is normal, with no signs of infection.
During dressing changes, you can use a cotton swab to gently remove the old ointment and any yellow tissue.
Continue to keep the wound clean with warm water sitz baths, and return for follow-up appointments as scheduled.

Reply Date: 2024/01/20

More Info


Post-surgery care, especially following a procedure like fistula removal, is crucial for ensuring proper healing and preventing complications. It’s understandable to have concerns about any changes in your wound, particularly when you notice new symptoms such as discharge or changes in the appearance of the wound.

Based on your description, the presence of a thin, yellowish discharge can be concerning, but it is not uncommon for wounds to produce some fluid as they heal. This fluid can be serous (clear or yellowish) and may be part of the normal healing process. However, if the discharge is accompanied by other symptoms such as increased redness, swelling, warmth around the wound, or a foul odor, these could be signs of infection, and you should seek medical attention sooner rather than later.

The thin membrane you mentioned could be a part of the healing process, known as a biofilm, which can form over wounds. Biofilms are communities of microorganisms that can develop on surfaces, including wounds. While they can be a natural part of healing, they can also indicate the presence of bacteria. If your wound is not showing signs of infection and the discharge is minimal and not worsening, it may be safe to wait until your scheduled follow-up appointment. However, if you notice any worsening symptoms or if you feel uncertain, it is always better to err on the side of caution and consult your healthcare provider.

Here are some general guidelines on when to seek medical attention after surgery:
1. Signs of Infection: Look for increased redness, swelling, warmth, or tenderness around the wound. If you notice any pus or foul-smelling discharge, these are strong indicators of infection.

2. Fever: A fever above 100.4°F (38°C) can indicate an infection. If you develop a fever, especially in conjunction with other symptoms, you should contact your doctor.

3. Increased Pain: If you experience a sudden increase in pain at the surgical site that is not relieved by your usual pain management methods, this could be a sign of complications.

4. Changes in Discharge: While some discharge can be normal, any significant change in color, consistency, or amount should be evaluated. If the discharge becomes thick, green, or has a foul odor, you should seek medical advice.

5. Wound Appearance: If the wound appears to be opening or if you notice any unusual changes in the wound's appearance, it is important to consult your healthcare provider.

6. General Health Changes: If you feel unusually fatigued, weak, or unwell, these could be signs of a systemic infection or other complications.

In conclusion, while some discharge and changes in the wound can be part of the normal healing process, it is essential to monitor the situation closely. If you have any doubts or if your symptoms worsen, do not hesitate to reach out to your healthcare provider for guidance. It is always better to be proactive about your health, especially after surgery. Your well-being is the priority, and your healthcare team is there to support you through your recovery.

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