Painful Bumps Near the Anus: Causes and Concerns - Surgery

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perianal area


I have developed bumps near my anus and genitals that resemble acne.
They become inflamed and pus-filled, causing swelling and pain, and feel like hard lumps when touched.
After the inflammation subsides, they do not disappear completely but only shrink in size.
Initially, I did not pay much attention to them, but now the situation has worsened; they feel like lumps that do not go away and are not painful when not inflamed.
The area where they have developed has also expanded beyond the original size.
I am concerned that this might be a tumor.
I have visited a clinic, but the doctors were unable to determine what it is.

Alice, 20~29 year old female. Ask Date: 2011/02/08

Dr. Ke Fangxu reply Surgery


Hello: In response to your question, if there is inflammation and pus formation, the swelling is likely caused by bacterial infection leading to tissue edema.
However, if there are recurrent infections or if the infection has not been completely resolved, it can result in fibrosis of the swollen tissue, which is the reason for the persistent hard lump.
To effectively treat this condition, in addition to eliminating the source of infection, surgical excision is also one option.
I recommend that you visit a hospital for a comprehensive evaluation and treatment, as this is the best course of action.

Reply Date: 2011/02/08

More Info


Understanding painful bumps near the anus can be concerning, especially when they resemble acne, become inflamed, and form hard lumps. These symptoms can arise from various conditions, and it's essential to consider several potential causes.

One common cause of painful bumps in the anal and genital area is folliculitis, which is the inflammation of hair follicles. This condition can occur due to bacterial infections, friction from clothing, or even ingrown hairs. Folliculitis typically presents as red, swollen bumps that may be painful to the touch. If the condition worsens, it can lead to the formation of abscesses, which are painful collections of pus that may require drainage.

Another possibility is hemorrhoids, which are swollen veins in the rectal area that can cause lumps or bumps. They can be internal or external and may become inflamed or thrombosed, leading to significant pain and discomfort. Hemorrhoids can also cause bleeding during bowel movements, which is an important symptom to note.

Skin conditions such as sebaceous cysts or lipomas can also present as painless lumps near the anus. Sebaceous cysts are benign growths that can become inflamed or infected, leading to pain and swelling. Lipomas, on the other hand, are soft, fatty lumps that are generally painless and do not require treatment unless they cause discomfort or cosmetic concerns.

In some cases, sexually transmitted infections (STIs) can lead to painful bumps in the genital area. For example, herpes simplex virus can cause painful blisters or sores, while human papillomavirus (HPV) can lead to the development of genital warts. If you suspect an STI, it is crucial to seek medical evaluation and treatment.

Given your description of the bumps not disappearing and increasing in size, it is essential to consider the possibility of more serious conditions, including tumors or malignancies. While the likelihood of a tumor is generally low, especially if the bumps are not painful or have not changed significantly in appearance, it is still a valid concern that warrants further investigation.

If you have already consulted a physician without a definitive diagnosis, it may be beneficial to seek a second opinion or request further diagnostic tests. This could include imaging studies, such as an ultrasound or MRI, or a biopsy of the lump to determine its nature.

In the meantime, here are some general recommendations:
1. Maintain Hygiene: Keep the area clean and dry to prevent further irritation or infection.

2. Avoid Irritation: Wear loose-fitting clothing and avoid tight underwear that may cause friction.

3. Warm Compresses: Applying warm compresses to the area can help reduce inflammation and pain.

4. Over-the-Counter Pain Relief: Nonsteroidal anti-inflammatory drugs (NSAIDs) like ibuprofen can help alleviate pain and swelling.

In summary, while there are several benign causes for painful bumps near the anus, the persistence and change in size of the lumps you describe warrant further evaluation. It is crucial to communicate your concerns clearly with your healthcare provider and advocate for the necessary tests to ensure an accurate diagnosis and appropriate treatment.

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