Anal Bumps: Is It a Pimple or Something More Serious? - Surgery

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There is a foreign object in the anus?


I have a bump located about 1.5 to 2 centimeters outside my anus.
It's not too big or too small, and it hurts a bit when pressed, but it doesn't hurt if I leave it alone.
It appeared and ruptured on the same day, releasing a small amount of blood and some yellowish fluid.
It has gradually shrunk (but hasn't completely disappeared) and the pain has decreased.
I haven't experienced any fever or other unusual symptoms.
I tried to feel for a fistula, but I couldn't find one.
Could this be an anal fistula or an anal abscess, or is it just a pimple?

Niming, 10~19 year old female. Ask Date: 2017/05/11

Dr. Ke Fangxu reply Surgery


Answer: It is difficult to determine whether it is acne or an anal fistula without a physician's examination.
However, at this age, the likelihood is more towards acne.
If the symptoms do not recur, continue to monitor.
If there is persistent pain and discharge, it is advisable to seek medical evaluation and treatment.

Reply Date: 2017/05/11

More Info


When it comes to anal bumps, it's important to differentiate between benign conditions, such as pimples or cysts, and more serious issues like abscesses or fistulas. Based on your description, it sounds like you experienced a bump near the anus that was painful when pressed, ruptured, and released some blood and yellow fluid. This could indicate a few possibilities.

1. Pilonidal Cyst or Abscess: A common cause of bumps in the anal area is a pilonidal cyst, which can become infected and form an abscess. These cysts are typically located near the tailbone but can sometimes occur in the anal region. When they become infected, they can cause pain, swelling, and drainage of pus or blood.

2. Anal Abscess: An anal abscess is a collection of pus that can occur due to infection in the anal glands. Symptoms often include localized pain, swelling, and sometimes fever. The fact that your bump ruptured and drained fluid suggests that it could have been an abscess. The pain subsiding after drainage is also consistent with this condition.

3. Fistula-in-Ano: If the bump is recurrent or if there is a persistent opening that drains, it could indicate a fistula, which is an abnormal connection between the anal canal and the skin. Fistulas often develop after an abscess has drained but can also occur without a prior abscess.

4. Hemorrhoids: While less likely given your description, hemorrhoids can also cause bumps around the anal area. They are typically painless unless thrombosed (clotted), which can cause significant pain and swelling.

5. Skin Conditions: Conditions such as folliculitis (inflammation of hair follicles) or other dermatological issues can also present as bumps near the anus. These are usually benign and can resolve on their own.

Given that your bump ruptured and began to shrink, it is possible that it was a benign condition, such as a pimple or cyst, especially if it is not causing significant pain or discomfort now. However, the presence of blood and yellow fluid raises some concern for infection.


Recommendations:
- Observation: If the bump continues to shrink and does not return, it may be safe to monitor it. However, if it reappears, becomes painful again, or if you notice any other symptoms (such as fever, increased drainage, or changes in bowel habits), you should seek medical attention.


- Consultation: It is advisable to consult a healthcare provider, preferably a gastroenterologist or a colorectal surgeon, for a thorough examination. They can perform a physical examination and may recommend imaging or further tests if necessary.

- Hygiene: Maintain good hygiene in the anal area to prevent infections. Avoid any irritants, and consider using warm sitz baths to soothe the area.

- Avoid Self-Diagnosis: While it’s tempting to self-diagnose based on symptoms, only a healthcare professional can provide an accurate diagnosis and appropriate treatment plan.

In conclusion, while your symptoms may suggest a benign condition, the possibility of an abscess or fistula should not be overlooked. Seeking medical advice is the best course of action to ensure proper diagnosis and treatment.

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