Post-Surgery Discomfort After Anal Fissure Repair: Causes and Solutions - Surgery

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It has been about six months since the anal fissure surgery (internal sphincterotomy), and I am experiencing soreness and a twitching sensation near the surgical site?


Hello, I had an anal fissure and underwent an internal sphincterotomy in mid-February of this year.
The wound should be mostly healed by now.
However, I still experience a sensation of soreness and spasms (in Taiwanese: a feeling of soreness and tightness) at the surgical site (inside the anus).
Recently, I visited a clinic, and the doctor (not the surgeon) mentioned that the wound is still in the healing process, and due to a forward tilt of the sacrum, this could be causing my symptoms.
He recommended warm sitz baths and prescribed muscle relaxants.

Could this sensation be due to scar tissue healing? How long might it take for this feeling to subside? Are there any other methods to expedite the resolution of this issue? It has been ongoing for three months, and I find it very distressing...

Niming, 30~39 year old female. Ask Date: 2022/07/28

Dr. Zhang Shuhao reply Surgery


During the wound healing process, it is common to experience abnormal sensations.
If a physical examination shows no signs of inflammation or infection, the standard treatment includes warm sitz baths and muscle relaxants.
These abnormal sensations typically improve over time, potentially taking three to six months.
If there are concerns, it is advisable to consult the original surgeon for details about the surgery, to adjust medications, or to conduct further examinations.

Reply Date: 2022/07/28

More Info


Post-surgery discomfort after an anal fissure repair, such as the internal sphincterotomy you underwent, can be quite common and may arise from several factors. The sensations you describe—soreness and a pulling or cramping feeling—are often associated with the healing process of the surgical site, particularly as scar tissue forms.
When you have surgery in the anal region, the body goes through a healing process that involves inflammation, tissue repair, and remodeling. During this time, it is not unusual to experience discomfort as the nerves in the area may be sensitive, and the scar tissue can create a sensation of tightness or pulling. The fact that your doctor mentioned the presence of scar tissue suggests that this could indeed be contributing to your discomfort. Scar tissue can sometimes be less flexible than the surrounding tissue, leading to sensations of tightness or discomfort as you move or engage in activities.

The timeline for recovery can vary significantly from person to person. Generally, the initial healing phase after such a surgery can take anywhere from a few weeks to a few months. However, the complete resolution of discomfort, especially related to scar tissue, can take longer—sometimes up to six months or more. Factors such as your overall health, the extent of the surgery, and how well you follow post-operative care instructions can all influence your recovery timeline.

To alleviate your discomfort, your doctor’s recommendation to soak in warm water (sitz baths) is an excellent approach. This can help relax the anal muscles, improve blood circulation to the area, and promote healing. Additionally, muscle relaxants can be beneficial in reducing spasms and discomfort.
Here are some additional strategies that may help expedite your recovery and reduce discomfort:
1. Dietary Adjustments: Ensure you are consuming a high-fiber diet to prevent constipation, which can exacerbate discomfort in the anal region. Staying well-hydrated is also crucial.

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

3. Gentle Exercises: Engaging in gentle pelvic floor exercises may help improve blood flow and promote healing. However, avoid any activities that cause pain.

4. Follow-Up Care: Regular follow-ups with your healthcare provider are essential. If your discomfort persists or worsens, it may be necessary to investigate further. Sometimes, additional treatments, such as physical therapy focused on the pelvic floor, may be beneficial.

5. Avoid Straining: Be mindful of your bowel movements. Straining can lead to increased discomfort and may hinder the healing process.
6. Topical Treatments: Your doctor may recommend topical treatments to help soothe the area and reduce discomfort.

If your symptoms do not improve or if you experience significant pain, it is crucial to return to your healthcare provider for further evaluation. They may consider additional interventions, such as adjusting your treatment plan or exploring other underlying issues that may be contributing to your discomfort.

In summary, while the discomfort you are experiencing is likely related to the healing process and scar tissue formation, there are several strategies you can employ to help manage your symptoms. Patience is key, as healing can take time, but with proper care and follow-up, you should see improvement.

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