Anal Pain: Causes and When to Seek Medical Help - Surgery

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Anal pain?


Doctor, I have been experiencing some pain in my anus throughout the day.
After I just had a bowel movement, the pain intensified, and it seems like there is a foul-smelling discharge coming out, which doesn't smell like feces.
What could be the cause of this?

q&a, 10~19 year old female. Ask Date: 2013/12/04

Dr. Ke Fangxu reply Surgery


Hello: Anal pain accompanied by foul-smelling discharge is most likely an anal abscess.
If the pain has now diminished and there is no fever, it is possible that the abscess has ruptured.
You can take warm sitz baths and monitor the situation.
However, if the pain persists or if you develop a fever, you should seek medical attention immediately.
From a physician's standpoint, regardless of whether symptoms improve, I would recommend that you visit a hospital to avoid delaying treatment, which could lead to sepsis or necrotizing fasciitis.

Reply Date: 2013/12/04

More Info


Anal pain can be a distressing symptom, and understanding its potential causes is crucial for determining when to seek medical help. Based on your description of experiencing pain after a bowel movement, along with an unusual and foul-smelling discharge, several possibilities could explain your symptoms.

One common cause of anal pain is hemorrhoids, which are swollen blood vessels in the rectal area. They can cause discomfort, especially during bowel movements, and may lead to bleeding or a discharge that can have a foul odor if there is associated infection or irritation. Another possibility is anal fissures, which are small tears in the lining of the anus that can occur due to passing hard stools. These fissures can be quite painful and may also lead to bleeding and discomfort.

Infections are another potential cause of anal pain and unusual discharge. Conditions such as anal abscesses or fistulas can develop, leading to localized pain and drainage of pus or other fluids that may have a strong odor. Additionally, sexually transmitted infections (STIs) can also cause anal pain and discharge, so it is essential to consider your sexual health history.

Another possibility is proctitis, which is inflammation of the lining of the rectum. This condition can be caused by infections, inflammatory bowel disease (IBD), or radiation therapy. Symptoms may include pain, discharge, and changes in bowel habits.

Given the symptoms you are experiencing, it is advisable to seek medical attention, especially since the discharge has a foul odor and is not typical of normal bowel movements. A healthcare provider can perform a thorough examination, which may include a physical exam and possibly imaging studies or laboratory tests, to determine the underlying cause of your symptoms.

In terms of self-care, you may find relief from warm sitz baths, which can soothe the anal area and help reduce discomfort. Over-the-counter pain relievers, such as acetaminophen or nonsteroidal anti-inflammatory drugs (NSAIDs), may also help alleviate pain. However, these measures are not a substitute for professional medical evaluation and treatment.

In summary, anal pain accompanied by unusual discharge can stem from various causes, including hemorrhoids, anal fissures, infections, or inflammatory conditions. It is essential to consult a healthcare professional to obtain an accurate diagnosis and appropriate treatment. Ignoring these symptoms could lead to complications, so timely medical intervention is crucial.

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