Managing Anal Abscess and Fistula Concerns During Pregnancy - Surgery

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Anal issues


Hello Doctor, last year I was diagnosed with an anal abscess and underwent surgery.
The surgeon mentioned that my recovery was good.
However, I later noticed some abnormalities at the surgical site.
When I returned for a follow-up, the doctor also indicated that there were no issues.
In January of this year, I sought a second opinion from another colorectal surgeon due to the unusual condition of the wound (a digital examination was performed).
The doctor suggested that the abnormality might be due to the formation of fibrous tissue at the surgical site, which can either be absorbed by the body or develop into a hard lump depending on individual circumstances.

The following month, I discovered that I was pregnant, currently at four months.
I noticed that the original abscess surgical site has swollen and there is some discharge.
I went back to see the colorectal specialist, who only prescribed a hemorrhoid ointment for me to apply.
I am a bit worried because the doctor mentioned the possibility of a fistula forming and advised me to monitor the situation.
He also said that managing fistula issues during pregnancy can be more complicated.

I would like to ask if it is possible to perform fistula surgery during pregnancy? If not, are there alternative methods to manage or alleviate the condition? Currently, I am doing sitz baths, but I am still quite concerned.

Niming, 30~39 year old female. Ask Date: 2018/05/19

Dr. Ke Fangxu reply Surgery


After anal abscess surgery, approximately 50% of patients may experience the complication of fistula.
If this occurs, a second surgery may be required for definitive treatment.
Pregnancy does not absolutely contraindicate surgery; however, most physicians, including myself, do not recommend performing surgery during this time to avoid unforeseen complications.
Therefore, if there is no severe infection of the fistula, it is advisable to maintain local cleanliness and hygiene.
If there are symptoms of swelling, pain, or inflammation, further evaluation by a physician is necessary.

Reply Date: 2018/05/19

More Info


Managing anal abscesses and fistulas during pregnancy can be a complex issue, as it involves balancing the health of both the mother and the developing fetus. Given your history of an anal abscess and subsequent surgery, along with the current concerns about potential fistula formation, it is understandable that you are feeling anxious about your situation.

Firstly, it is important to recognize that pregnancy can bring about various physiological changes that may affect pre-existing conditions, including those related to the anal region. Hormonal changes, increased blood flow, and the growing uterus can all contribute to changes in the tissues and may exacerbate issues like abscesses or fistulas.

In your case, the swelling and discharge from the surgical site could indicate that the area is not healing as expected. The formation of fibrous tissue is common after surgery, but if you are experiencing new symptoms, it is crucial to monitor them closely. The concern about a fistula is valid, as these can develop from chronic inflammation or infection in the area.

Regarding your question about whether surgery can be performed during pregnancy, it is generally advised to avoid elective surgical procedures during the first and second trimesters unless absolutely necessary. This is due to the potential risks to both the mother and the fetus, including anesthesia risks and the possibility of preterm labor. However, if a fistula is causing significant symptoms or complications, a healthcare provider may consider surgical intervention, especially if the condition poses a risk of infection or other complications.

For now, conservative management is often the first approach. This includes:
1. Sitz Baths: Continuing with sitz baths can help soothe the area and promote healing. Warm water can relieve discomfort and help keep the area clean.

2. Topical Treatments: Using the prescribed hemorrhoid ointment may provide some relief, but it is essential to ensure that any topical treatments are safe for use during pregnancy.

3. Dietary Adjustments: Maintaining a high-fiber diet and staying well-hydrated can help prevent constipation, which can exacerbate anal issues. Consider incorporating fruits, vegetables, and whole grains into your diet.

4. Monitoring Symptoms: Keep a close eye on any changes in symptoms. If you notice increased pain, swelling, or discharge, or if you develop a fever, it is essential to seek medical attention promptly.

5. Consulting Specialists: Regular follow-ups with your colorectal surgeon or a gastroenterologist who specializes in pregnancy-related issues can provide you with tailored advice and management options.

If surgical intervention becomes necessary, your healthcare provider will weigh the risks and benefits, considering your overall health, the severity of the condition, and the stage of your pregnancy. In some cases, they may recommend delaying surgery until after delivery, especially if the symptoms are manageable.

In conclusion, while managing an anal abscess or fistula during pregnancy can be challenging, there are conservative measures you can take to alleviate symptoms. It is crucial to maintain open communication with your healthcare providers, who can guide you through this process and ensure both your health and that of your baby are prioritized. If you have any further concerns or if your symptoms worsen, do not hesitate to seek medical advice promptly.

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