Right-Sided Anal Pain: Causes and Treatment Options - Surgery

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Pain and swelling on the right side of the anus?


Hello, Dr.
Ke.
Recently, I've been experiencing pain on the right side of my anus.
When I touch the right side, it feels a bit swollen, but I can't see any lumps with my eyes in the mirror.
I feel discomfort when walking, sitting, or sneezing, but it's not severe pain—it's bearable.
This has been going on for about a week.
A week ago, I had a bowel movement, and the stool was a bit hard, which caused a brief pain in the anus, but there was no bleeding.
Last year, after experiencing anal fissures with bleeding, I had a similar situation that lasted for a while.
At that time, I consulted a colorectal specialist, who performed a digital examination and anoscopy, and mentioned that the fissure hadn't healed yet, but there were no other significant issues.

I have a couple of questions for you:
1.
Can an anal fissure cause unilateral swelling and pain near the anus?
2.
I found information online stating that an anal abscess can cause severe pain and sometimes fever.
Is it possible that my situation could be a milder abscess? If so, will it heal on its own? (Last time, I only applied ointment, and after about ten days, the pain went away.) If it’s not an abscess, what could be the possible causes? Thank you.

Xiao Zhang, 40~49 year old female. Ask Date: 2016/05/02

Dr. Ke Fangxu reply Surgery


1.
Anal fissures typically occur at the anterior and posterior positions, but they can also occur in other locations, although the probability is lower.

2.
Anal abscesses are often misdiagnosed as hemorrhoids or anal fissures in the early stages, and sometimes even experienced physicians may make an incorrect diagnosis.
Therefore, it is essential to consult a physician for an accurate diagnosis; otherwise, a delay in treatment could lead to serious complications such as sepsis.

Reply Date: 2016/05/02

More Info


Understanding right-sided anal pain can be quite complex, as it may stem from various causes, each requiring different treatment approaches. Based on your description, it sounds like you are experiencing discomfort in the right side of your anal region, which has persisted for about a week. You mentioned a history of anal fissures, which can certainly contribute to localized pain and discomfort.

1. Anal Fissures and Pain: Anal fissures are small tears in the lining of the anus, often caused by passing hard stools. They can lead to significant pain, especially during bowel movements, and may result in a spasm of the anal sphincter, which can prolong discomfort. While fissures typically cause pain that is more generalized around the anal area, it is possible for the pain to feel more pronounced on one side, especially if there is associated muscle tension or spasm. The fact that you experienced hard stools prior to the onset of your current pain suggests that this could be a contributing factor.

2. Possibility of an Abscess: You mentioned concerns about an anal abscess, which is a collection of pus that can occur due to infection. While abscesses are often associated with severe pain, swelling, and sometimes fever, it is possible to have a less severe form of an abscess that may not present with all the classic symptoms. If there is localized swelling and tenderness, it could indicate the early stages of an abscess. However, without significant fever or severe pain, it may not be fully developed.
3. Self-Healing Potential: In some cases, minor anal abscesses may resolve on their own, especially if they are small and not causing significant symptoms. However, it is crucial to monitor the situation closely. If the pain worsens, if you develop fever, or if you notice any changes such as increased swelling or discharge, it would be advisable to seek medical attention promptly.
4. Other Possible Causes: Besides fissures and abscesses, other potential causes of unilateral anal pain could include hemorrhoids, which can cause localized discomfort, or even conditions such as pilonidal cysts, which can occur near the anal area and may present with pain and swelling.
5. Treatment Options: For managing your current symptoms, consider the following approaches:
- Dietary Changes: Increasing fiber intake can help soften stools and reduce the likelihood of straining during bowel movements, which can aggravate fissures.

- Hydration: Ensure you are drinking plenty of water to help maintain stool consistency.

- Topical Treatments: Over-the-counter creams or ointments designed for anal fissures can provide relief and promote healing.

- Warm Sitz Baths: Soaking in warm water can help relax the anal muscles and alleviate discomfort.

- Pain Management: If the pain is bothersome, over-the-counter pain relievers may help.

6. Follow-Up Care: Given your history of anal fissures and the current symptoms, it would be prudent to follow up with a healthcare provider, preferably a gastroenterologist or a colorectal surgeon. They can perform a thorough examination, possibly including a digital rectal exam or anoscopy, to assess for any underlying issues that may require intervention.

In conclusion, while your symptoms may be related to a previous anal fissure, the possibility of other conditions such as an abscess or hemorrhoids should not be overlooked. Monitoring your symptoms and seeking medical advice if they worsen will be key to ensuring proper treatment and recovery.

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