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A pimple

Sores or ulcers of the skin

Red bumps with white centers

Skin erosion

Pus in the breast

Breakdown of the outer layers of the skin

Smelly bumps

Not seeing your symptoms? No worries!

What is Pilonidal Sinus?

This refers to a small hole or tunnel at the top of the buttocks where the butt cheeks come together. It is usually harmless, very small and goes unnoticed unless it becomes infected. The cause is not fully understood but involves friction, hormones and hair growth in that area. It is more common among men, young adults, and people who sit down for long periods.

Typical Symptoms of Pilonidal Sinus

Diagnostic Questions for Pilonidal Sinus

Your doctor may ask these questions to check for this disease:

  • Do you have pus-filled blisters or bumps on your skin?
  • Are you experiencing anal pain?
  • Do you have areas of irritated or peeling skin?
  • Do you have hemorrhoids or lumps around your anus?
  • Have you noticed any redness, bumps, or irritation on your skin?

Treatment of Pilonidal Sinus

A pilonidal sinus only needs treatment in the case of infection. Mild infections may only need antibiotics and warm compresses. More severe infections may require drainage of the pus as well as antibiotics. Very severe and recurrent cases can lead to scarring and deepening tracts in the skin. These cases frequently require surgery.

Reviewed By:

Kenji Taylor, MD, MSc

Kenji Taylor, MD, MSc (Family Medicine, Primary Care)

Dr. Taylor is a Japanese-African American physician who grew up and was educated in the United States but spent a considerable amount of time in Japan as a college student, working professional and now father of three. After graduating from Brown, he worked in finance first before attending medical school at Penn. He then completed a fellowship with the Centers for Disease Control before going on to specialize in Family and Community Medicine at the University of California, San Francisco (UCSF) where he was also a chief resident. After a faculty position at Stanford, he moved with his family to Japan where he continues to see families on a military base outside of Tokyo, teach Japanese residents and serve remotely as a medical director for Roots Community Health Center. He also enjoys editing and writing podcast summaries for Hippo Education.

Aiko Yoshioka, MD

Aiko Yoshioka, MD (Gastroenterology)

Dr. Yoshioka graduated from the Niigata University School of Medicine. He worked as a gastroenterologist at Saiseikai Niigata Hospital and Niigata University Medical & Dental Hospital before serving as the Deputy Chief of Gastroenterology at Tsubame Rosai Hospital and Nagaoka Red Cross Hospital. Dr. Yoshioka joined Saitama Saiseikai Kawaguchi General Hospital as Chief of Gastroenterology in April 2018.

From our team of 50+ doctors

Content updated on Mar 31, 2024

Following the Medical Content Editorial Policy

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Link to full study:

https://www.medrxiv.org/content/10.1101/2024.08.29.24312810v1

References