Pilonidal Sinus

A pilonidal sinus is a small tunnel or cavity that develops in the skin, typically at the top of the cleft between the buttocks, often containing hair and skin debris that trigger chronic inflammation and infection. It is thought to result from loose hair being driven into the skin through friction and pressure in this area, leading to a foreign body reaction. The condition ranges from an asymptomatic small pit to a painful, infected abscess, and it commonly recurs, particularly in young adults who sit for prolonged periods or have a hairy, deep gluteal cleft.

The most common symptoms include: A small pit or opening in the skin at the top of the buttock crease; pain and swelling in the affected area; redness and tenderness; drainage of pus or blood-tinged fluid. Early recognition is key to prompt diagnosis and effective treatment.

No, Pilonidal Sinus is not contagious. It cannot spread through casual contact. However, certain risk factors and genetic predispositions may increase susceptibility.

Treatment options include: Acute abscesses require incision and drainage to relieve pain and control infection. Definitive treatment for recurrent or chronic pilonidal disease typically involves surgical excision of the sinus tract; with the wound either left open to heal by secondary intention or closed using flap techniques to reduce recurrence. Minimally invasive techniques and laser hair removal in the area are increasingly used to reduce recurrence rates.. Treatment should always be guided by a qualified Colorectal & Proctology specialist. Do not self-medicate.

While Pilonidal Sinus cannot always be fully prevented, several measures can reduce risk: Maintaining good hygiene and keeping the natal cleft area clean and dry; regular hair removal from the affected area in those prone to recurrence; avoiding prolonged sitting where possible.

Consult a Colorectal & Proctology specialist if symptoms persist for more than a few days, worsen despite home care, or significantly affect your daily activities. Early diagnosis leads to better outcomes.