Post-Surgery Symptoms of Anal Fistula: What to Expect - Surgery

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Anal fistula surgery


Hello, Dr.
Ko.
This year, after an anal abscess in June, I underwent an anal fistula incision surgery on July 19 (there was no pus discharge normally).
At that time, the doctor mentioned that it was considered a superficial fistula.
Both the hospital information and my own research online indicated that it would take about a month to heal.
Now that a month has passed, I am still experiencing yellow discharge (especially more after bowel movements), and sometimes I feel like I haven't completely emptied my bowels after a bowel movement, accompanied by slight internal pain.
Is this considered normal? I am concerned that the wound may not be healing properly or that the fistula may have recurred.
Thank you.

Tony, 40~49 year old female. Ask Date: 2017/08/17

Dr. Ke Fangxu reply Surgery


Answer: It has been exactly one month since your surgery.
I recommend that you increase the frequency of sitz baths and observe for a few more weeks.
Based on your description, it is indeed possible that there is a recurrence, but it could also be due to slower wound healing.
Factors such as insufficient sitz bath frequency, poor wound hygiene, and diabetes can all affect wound healing.
If the situation remains the same after 2-3 weeks, you should consult your physician for further evaluation.

Reply Date: 2017/08/17

More Info


After undergoing surgery for an anal fistula, it is common to experience a range of symptoms as part of the healing process. Given your situation, where you had a fistula surgery on July 19 and are now experiencing yellow discharge, a sensation of incomplete bowel evacuation, and mild pain after bowel movements, it is important to understand what is typical and what might require further evaluation.

Firstly, the presence of yellow discharge can be a normal part of the healing process. After surgery, the body produces various fluids as part of the inflammatory response, which can include serous fluid and pus-like discharge. This is especially true in the case of anal fistula surgeries, where the surgical site is healing and may still be somewhat open. However, the discharge should gradually decrease over time. If the discharge persists beyond a few weeks or increases in volume, it could indicate an infection or that the fistula has not healed properly.

The sensation of not fully evacuating the bowels is also not uncommon after such surgeries. This can be due to several factors, including changes in bowel habits post-surgery, anxiety about pain during bowel movements, or even the psychological impact of the surgery itself. It is essential to maintain a diet high in fiber and stay well-hydrated to promote regular bowel movements and prevent constipation, which can exacerbate discomfort.

Mild pain after bowel movements can occur as the surgical site continues to heal. However, if the pain is severe, persistent, or accompanied by other symptoms such as fever, increased swelling, or a change in the nature of the discharge (e.g., becoming more foul-smelling), it is crucial to seek medical attention. These could be signs of complications such as infection or recurrence of the fistula.

In terms of recovery, here are some recommendations to help manage your symptoms and promote healing:
1. Dietary Adjustments: Focus on a high-fiber diet to facilitate smoother bowel movements. Foods rich in fiber include fruits, vegetables, whole grains, and legumes. Staying hydrated is equally important.

2. Pain Management: Over-the-counter pain relievers, such as acetaminophen or ibuprofen, can help manage discomfort. However, consult your doctor before taking any medication.

3. Sitz Baths: Taking warm sitz baths can help soothe the area, reduce pain, and promote healing. Soaking for 15-20 minutes a few times a day can be beneficial.

4. Wound Care: Keep the surgical area clean and dry. Follow your surgeon's instructions regarding wound care, and avoid any irritants.

5. Follow-Up Appointments: Regular follow-ups with your healthcare provider are essential to monitor your healing progress. If you have concerns about your symptoms, do not hesitate to reach out to your doctor for further evaluation.

6. Avoid Straining: During bowel movements, try to avoid straining, as this can put additional pressure on the surgical site and lead to discomfort.

In summary, while some discharge and mild discomfort can be normal after anal fistula surgery, it is essential to monitor your symptoms closely. If you notice any concerning changes or if your symptoms do not improve, it is advisable to consult your healthcare provider for further assessment and management. Early intervention can help prevent complications and ensure a smoother recovery process.

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