What is pilonidal sinus

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What is pilonidal sinus

Pilonidal sinus may be a new term to many of us. So, you’ll be curious to learn “what is pilonidal sinus”. Many people are hesitant to talk about pilonidal cysts, a condition that is quite common. Since the pilonidal sinus is more frequent in those who spend a lot of time sitting down, it was referred to as “Jeep driver’s disease” during World War II. In this article let’s see about it in detail.

What is a pilonidal sinus?

A pilonidal cyst or pilonidal sinus is a circular tissue sac that contains air or fluid. In simpler terms, pilonidal sinus is a skin condition that develops in the buttock crease, anywhere from the tailbone to the anus. It can be either a one-time (acute) problem or a recurring one (chronic).This medical condition mostly affects men and is common in young people. The positive aspect is that this condition is benign and non-cancerous.

Causes of pilonidal cyst

Although the exact cause of this condition is unknown, some factors could be attributed to its development. They are as follows

*Hormone changes

*Hair growth

*Friction from clothes

*Sitting for a long time


Some of the symptoms of pilonidal sinus are

*Pain when you’re sitting down.

*A little dimple or a significant swelling region between your buttocks.

*Redness and tenderness in the area.

*An unpleasant smell brought on by pus or blood flowing from the abscess

*The development of several sinus tracts or skin holes

*Less commonly you may have a fever


Based on your symptoms and the seriousness of your problem, a suitable treatment method will be suggested by your doctor. Both surgical and non-surgical methods are used in the treatment process. Your need for surgery to remove your pilonidal sinus will depend on how severe your symptoms are. In addition to surgery, there are various additional treatment methods available as follows

Cyst drainage-Your infected cyst will be opened, and fluid will be drained from it, using a small incision.

Injections-Mild and moderate pilonidal cysts are treatable and prevented by injections.

Antibiotics-Inflammation of the skin can be treated with antibiotics.

Laser technique-Laser therapy can eliminate hair which otherwise would develop ingrown and bring back new pilonidal sinuses.

If your symptoms get worse or you have chronic pilonidal sinus, then the doctor may recommend surgery.


As per the proverb, always prevention is better than cure. Here are some preventive measures where you can prevent this condition to turn up again.

*Keep your buttocks area clean by regularly washing and drying it

*Your overweight may also contribute to this condition, thus try to reduce your weight

*Limit your sitting time

*Your buttocks’ hair must be shaved once in a while

To sum up

Well, now you have got a clear idea of your primary question ”What is pilonidal sinus”. Although this condition may not be serious, if left untreated it may lead to serious complications. Thus, don’t feel embarrassed to speak to your doctor about it. Open up and get your problems solved at the initial stage.

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