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A pilonidal sinus is a problem in your natal cleft (the area between your buttocks) that can cause infection. Surgery is the most dependable way to remove the pilonidal sinus and pockets of infection.

What happens during pilonidal sinus surgery?

The operation is performed under a general anaesthetic and usually takes about 30 minutes.

You may also have injections of local anaesthetic to help with the pain after the operation. You may be given antibiotics during the operation to reduce the risk of infection.

Your surgeon will remove the sinus and infected tissue, sometimes over a large area. They may close your wound with stitches or leave it open to fully heal. If your wound is left open they will pack it with sterile dressing. This allows the wound to heal from the base upwards so that it is less likely to become infected.

You will be taken to a recovery area where our healthcare team will monitor you and provide you will pain relief medication.

You may be able to go home the same day as you surgery. In some cases your consultant may recommend an overnight stay in hospital.

Going home after pilonidal surgery

You will not be able to drive so please arrange for someone to take you home.

Our healthcare team will advise you on how to care for your wound. Follow their instructions carefully to prevent further infection. Continue to take any pain relief medication as prescribed.

To prevent any risk of blood clots you may need to take medication or wear compression stockings.

Discuss any return to work and strenuous activity with your surgeon.

If your wound was left open, you may need to return to the hospital regularly to have the packing changed. It can take eight weeks or longer for your wound to completely heal.

As with any surgical procedure, there could be complications including:

Specific complications of pilonidal sinus surgery may include:

  • Break down of a wound that is stitched
  • Slow healing
  • Numbness around your wound
  • Pilonidal sinus reoccurs.

Alternative treatment options

Taking care of the natal cleft on a daily basis and ensuring it is clean can prevent an infection from occurring.

Infrequent discharge from the site can be treated with antibiotics. A procedure to drain an abscess is also a possibility.

Pilonidal sinus surgery consultants at Parkside Hospital

Parkside Hospital

53 Parkside, Wimbledon, London, SW19 5NX

020 8971 8000
Switchboard 020 8971 8000
Outpatient appointments 0208 137 8431
Self-pay patients 0208 137 8432
NHS England Patients team 0208 971 1261
Private GP service 0208 137 8431
Admissions – for patients booked for surgery 020 8971 8012
Account enquiries 020 8605 2895
Diagnostics 0208 137 8459
Physiotherapy 0208 137 8431
Pathology 020 8971 8022
Finance – to pay a bill or invoice enquiries (Mon-Fri 9am-5pm) 020 8605 2895

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