Urgent colorectal · London
Perianal abscess drainage - private in London.
A perianal abscess is a painful collection of pus around the anus that needs surgical drainage, not just antibiotics. We arrange same-day or next-day theatre with a London colorectal consultant and set up your fistula follow-up.
Emergency signposting
If you have severe pain and swelling around the anus with fever, seek same-day medical attention. Go to A&E if you cannot access private care within hours.
Why patients choose us
- 01
A subspecialty consultant
A UK colorectal consultant matched to your case, not a generalist on a list.
- 02
Same-day where clinically safe
Urgent theatre slots across London for acute perianal sepsis.
- 03
Independent, and free
We take no fee from clinics, so the recommendation is impartial and costs you nothing.
What it is
What a perianal abscess is - and why it needs draining.
A perianal abscess is a walled-off collection of pus in the soft tissues next to the anal canal. In most cases it starts as an infection of one of the small anal glands that sit between the internal and external sphincter, tracks outwards and forms a tender, swollen lump. Because pus is sitting inside a closed cavity, oral antibiotics alone rarely clear it. The definitive treatment is surgical incision and drainage.
Delaying drainage risks spread of infection through the deeper spaces around the rectum, systemic sepsis and, very rarely, Fournier’s gangrene. Prompt drainage also gives the best chance of a settled wound and reduces the likelihood of chronic sepsis.
Common symptoms
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Severe throbbing perianal pain
Worsening over 24 to 72 hours.
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Visible red swollen lump
Tender, warm, sometimes fluctuant.
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Fever and malaise
Systemic signs of anorectal sepsis.
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Spontaneous pus discharge
Partial drainage but incomplete cavity.
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Crohn’s or diabetes background
Higher risk, lower threshold for theatre.
Crohn’s disease and diabetes are important risk factors and lower the threshold for urgent theatre.
Indicative pricing
What private perianal abscess drainage costs in London.
Indicative all-inclusive ranges across our partner units, including general anaesthesia and day-case admission. Send the details and we quote firm figures across two or three options, with cover checked.
In short
perianal abscess drainage in our London network: £2,800–£5,500, home the same day.
| Procedure | Indicative range | Typical duration | Turnaround |
|---|---|---|---|
| Perianal abscess incision and drainage | £2,800–£5,500 | 20–30 min | Day case |
| Consultant consultation | £200–£400 | 30–45 min | Same visit |
| Pre-procedure bloods | £80–£220 | 5 min blood draw | 24–72 hours |
| Follow-up review at 6–12 weeks | £150–£300 | 20–30 min | Same visit |
Prices vary by hospital, by consultant and by the complexity of the abscess. Deeper ischiorectal or supralevator collections sit at the upper end of the range.
The problem
Drainage on time, with the right consultant.
Perianal sepsis does not wait for an outpatient slot. Private care shortens the timeline and lets you choose a colorectal consultant.
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Time is the enemy
Untreated perianal sepsis can spread quickly. Same-day or next-day drainage prevents complications.
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The right consultant matters
A colorectal surgeon will drain the cavity properly, look for extensions and set up the fistula follow-up.
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Insurer processes are opaque
We handle preauth, coding and any second-opinion requirements on your behalf.
The journey
From enquiry to fistula follow-up - what happens, in order.
One team from first message through urgent drainage and the 6 to 12 week fistula review.
- 01
Before
Send us your symptoms
Pain, swelling, fever, any prior drainage. A short message is enough.
- 02
Before
Match to a consultant
A colorectal consultant matched urgently to your case.
- 03
Before
Preparation instructions
Fasting, medication and consent guidance ahead of theatre.
- 04
On the day
The procedure
Incision and drainage under general or spinal anaesthesia in a CQC-registered day unit.
- 05
On the day
Same-day observation
Nursing observation before discharge with written wound-care instructions.
- 06
After
Report and results
Consultant operative note within the day case, sent to you and your GP.
- 07
After
Fistula follow-up plan
Review at 6 to 12 weeks with MRI where indicated to check for a fistula tract.
The procedure
What incision and drainage actually involves.
A short day-case operation, typically 20 to 30 minutes, performed under general or spinal anaesthesia in a CQC-registered theatre.
On the table
The consultant makes an incision directly over the most fluctuant point of the abscess, deroofs the cavity so that it stays open, evacuates the pus and sends a sample for microbiology. A gentle digital examination checks for extensions through the deeper anorectal spaces.
Packing, not stitches
The wound is packed loosely with a light dressing and left to heal from the base upwards. Primary closure is avoided because it traps infection. Where an obvious low fistula is seen, the consultant may perform a limited fistulotomy or place a loose seton in the same sitting.
Abscess types
The four anatomical types.
Location determines the approach, the depth of anaesthesia needed and whether imaging is required before theatre.
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Perianal abscess
Superficial collection at the anal margin, straightforward drainage.
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Ischiorectal abscess
Deeper collection in the fat lateral to the sphincter.
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Intersphincteric abscess
Between internal and external sphincter, drained internally.
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Supralevator abscess
Above the levator plate, imaging-guided approach needed.
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Recurrent abscess
Usually a fistula-in-ano, MRI and staged plan.
Where it is done
London theatres we send patients to.
Consultant-led colorectal units across central London with urgent theatre access and dedicated day-case pathways.
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HCA London Bridge Hospital
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The London Clinic Colorectal Unit
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Cromwell Hospital (Bupa Cromwell)
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The London Colorectal Clinic
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The Princess Grace Hospital
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CQC-registered hospitals and day units across London
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UK GMC-registered colorectal consultants performing urgent drainage
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Same-day or next-day theatre slots where clinically safe
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Direct insurer preauth handling for Bupa, AXA, Vitality, Aviva, WPA and Cigna
Recovery and safety
What to expect afterwards - honestly.
Most patients feel dramatically better within hours of drainage. Full wound healing usually takes 2 to 4 weeks with sitz baths, oral analgesia and a first-day packing change.
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Recurrence
Around 10 to 30% recur, most because an underlying fistula tract remains.
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Fistula formation
50 to 70% develop a fistula-in-ano within 6 to 12 weeks.
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Bleeding
Usually minor, occasional oozing from the wound bed for a few days.
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Continence
Simple drainage does not divide sphincter and rarely affects continence.
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Wound care
Loose packing changes, daily sitz baths and analgesia for 2 to 4 weeks.
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Time off work
3 to 7 days for office work, longer for physical roles.
Fistula follow-up
Between 50 and 70% of patients develop a fistula-in-ano within 6 to 12 weeks of drainage. We routinely book a colorectal review at that point, with MRI of the perineum if the wound continues to discharge or fails to close. A confirmed fistula is then treated in a planned, sphincter-sparing way.
Reading your notes
Your operative note in four parts. Read the last one first.
Whichever London centre performs the procedure, the note keeps to the same shape.
- 01 Header
Indication and consent
Why urgent drainage was performed, what was consented and any relevant history.
- 02 Findings
What was seen and done
Location and size of the cavity, extensions on digital exploration, samples taken.
- 03 Assessment
Consultant interpretation
Whether an underlying fistula is suspected and any risk factors identified.
- 04 Impression
Summary and next step
Read this first: packing plan, review date and imaging recommendations.
Recognised by major UK insurers
Usually covered by UK private medical insurance when there is a specialist referral and a clear clinical indication.
Frequently asked
Everything we get asked about perianal abscess drainage.
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Can antibiotics alone treat a perianal abscess?
Rarely. Antibiotics do not evacuate pus and typically only mask progression. Surgical incision and drainage is the definitive treatment. Antibiotics may be added when there is surrounding cellulitis, diabetes, immunosuppression or systemic sepsis.
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How often does a perianal abscess come back?
Around 10 to 30% of drained abscesses recur, almost always because an underlying fistula tract from an infected anal gland persists. Recurrence is a strong indicator to image and plan definitive fistula surgery.
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What is the risk of developing a fistula?
About 50 to 70% of patients develop a fistula-in-ano within 6 to 12 weeks of drainage. We routinely book a colorectal review at that point, with MRI of the perineum if the wound has not settled or if discharge continues.
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Will drainage affect my continence?
Simple incision and drainage does not divide the anal sphincter, so continence is very rarely affected. Any subsequent fistula surgery is planned with sphincter preservation in mind.
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Is perianal abscess drainage covered by UK private medical insurance?
Usually yes with a specialist referral and clear indication. Bupa, AXA, Vitality, Aviva, WPA and Cigna are the mainstream insurers we work with and we handle preauth on your behalf.
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Can I drive after the procedure?
Not on the day of surgery because of the anaesthetic. Most patients drive again after 24 to 48 hours once analgesia allows comfortable sitting and full concentration.
Speak to us today
Painful perianal swelling? We can arrange urgent drainage in London.
Send a short message with your symptoms. We match you to a London colorectal consultant and organise theatre where clinically indicated.
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