← All Conditions

Facial Blushing and Flushing
When It Is Severe, and Every Test Has Come Back Normal

The rush of heat up the neck. The face going red in front of people who are watching. Blotchy patches that take far longer to fade than the moment that caused them. For some people this happens most days, has been getting worse for years, and has quietly reshaped what they are willing to do at work and socially. Dr Lawrence Okiror, Consultant Thoracic and Robotic Surgeon (GMC 6150382), assesses severe facial blushing and flushing at London Bridge Hospital and The Lister Hospital Chelsea. Systemic causes are excluded first and medical treatment is tried first. Where both have been done and the problem remains severe, keyhole surgery to divide the overactive sympathetic nerve is discussed — with the published results, including the regret rate, stated in full. Self-referrals welcome. Private appointments within 2–3 working days.

Last reviewed: July 2026 · Dr Lawrence Okiror FRCS(CTh) FRCSEd(CTh) · GMC 6150382

Assessment first

Blood tests, urine tests and imaging to separate a systemic cause from sympathetic overactivity. Surgery is never the first step and is not offered as one

The operation

A T2 sympathicotomy — keyhole division of the sympathetic chain at the second thoracic level, thoracoscopic or robotic, no chest drain, one night in hospital. Can be staged one side at a time

Stated in full

85% good or satisfactory at one year and 82% at sixteen years in the only randomised trial — against compensatory sweating in most patients and a 13–15% regret rate

The same operation. A different set of numbers.

The operation offered for facial blushing is the same operation offered for sweaty hands — the same incision, the same nerve, the same surgeon. The published results are not the same, and they are not close.

For sweaty hands, success runs above 95 per cent. For blushing, the only randomised trial reports 85 per cent at one year and 82 per cent when those same patients were surveyed sixteen years later, while the largest long-term series puts lasting satisfaction nearer 73 per cent. Any page quoting you the hand figure for a blushing operation is quoting the wrong number. This page uses the blushing figures. Request a consultation at London Bridge Hospital or The Lister Chelsea within 2–3 working days →

Key takeaways
  • Severe blushing is a physiological event, not shyness. Being told to live with it is one opinion, not the only one, and not the end of the assessment.
  • The first job is to separate two explanations — a systemic cause elsewhere in the body, or overactivity of the sympathetic nerves. The tests exist to tell them apart, because the answer decides the treatment.
  • Surgery comes after that work, not instead of it. Systemic causes excluded and reviewed; medical and conservative treatment tried; only then is an operation discussed.
  • Dr Okiror performs a T2 division — described as R2 in the rib-oriented naming system — which is the approach the long-term randomised evidence favours for isolated facial blushing.
  • The trade is real and permanent. Compensatory sweating is usual rather than occasional, some blushing returns in a substantial minority, 13–15 per cent regret the operation, and it cannot be reversed — though staging the surgery one side at a time may reduce it.

Why Is Severe Blushing
So Consistently Underestimated?

Tell someone you have panic attacks and they understand. Tell them your face goes red and they smile and call it endearing. That gap — between how serious the problem is to live with and how seriously it is taken — is one of the defining features of the condition, and it is the reason many people stop mentioning it at all.

It also tends to start young. Many people date the problem to their school years and were told at the time that they would grow out of it. Some do. Many do not, and arrive in their twenties, thirties or later with the same problem and the added weight of having been told for years that it was a phase.

The practical cost is usually work. Meetings where you have to speak. Presentations. Being asked a question with the room turned towards you. Many people describe the dread building for days or even weeks beforehand, and some stop attending altogether. Others describe a sensation of heat rising through the neck and face, sometimes with pins and needles, lasting far longer than the moment that triggered it — half an hour or more of intensity, then hours before the colour fully settles.

Alongside the physical event there is often a second problem: the fear of it happening. In the medical literature this is called erythrophobia, and it can persist independently of the blushing itself. Distinguishing the two matters, because they do not necessarily respond to the same treatment — a point returned to below.

Whether the problem is described as blushing or as flushing makes very little difference at this stage. Most people use both words for the same thing. What matters is establishing why it is happening.

Two Possible Explanations —
and Why the Difference Decides Everything

Broadly, severe facial redness has one of two origins.

A systemic cause. Something else in the body is producing the redness — a hormonal condition, a metabolic condition, a skin condition, a medicine, or rarely a tumour producing chemicals that dilate blood vessels. Here the redness is a signal rather than the disease, and treating the underlying condition is what resolves it. An operation would be the wrong answer, and in some cases a dangerous one.

Sympathetic overactivity. No underlying condition is found, and the problem lies in the nerves themselves. The sympathetic nervous system controls the small blood vessels in the skin of the face automatically, without any conscious input. Where that control is overactive, the vessels open too readily, too widely and for too long. This is the group in whom surgery can be considered.

Investigations exist for one purpose: to tell those two apart. That is why the workup comes first and why it is not a formality. Until it is complete, nobody can say honestly which of the two explanations applies, and therefore nobody can say honestly what the right treatment is.

What Can Cause Facial Flushing
Elsewhere in the Body?

In plain terms, these are the conditions that need to be considered and looked for. Most are common and treatable; a few are rare but important not to miss.

  • An overactive thyroid gland
    Hyperthyroidism commonly causes heat intolerance, flushing and sweating, and is straightforward to test for.
  • Diabetes
    Long-standing diabetes can affect the nerves that regulate blood vessels, altering how the skin flushes and sweats.
  • Hormonal change, including the menopause
    One of the most frequent explanations for new flushing in mid-life, in women and occasionally in men on hormone treatment.
  • Adrenal gland conditions
    Including rare hormone-producing tumours which raise blood pressure and cause episodic flushing, sweating and palpitations.
  • Carcinoid and other neuroendocrine tumours
    Uncommon, but a recognised cause of episodic flushing, and specifically looked for because the treatment is entirely different.
  • Mast cell disorders
    Conditions in which cells release histamine inappropriately, producing flushing, itching and sometimes gut symptoms.
  • Skin conditions, particularly rosacea
    Often distinguishable because the redness is more persistent rather than episodic, though the two can overlap.
  • Medicines and alcohol
    Several common medicines cause flushing as a direct effect, as does alcohol in people who metabolise it differently.
  • Anxiety and related conditions
    Which can drive blushing, be driven by it, or both — and which need addressing in their own right either way.

What Tests Are Used
to Tell the Two Apart?

In general terms, the workup falls into four groups. Which of them apply depends on the pattern of symptoms.

Blood tests. Thyroid function, blood sugar and long-term glucose control, hormone levels, and specific markers used to look for the rarer hormone-producing tumours.

Urine tests. Sometimes collected over a full 24 hours, measuring the breakdown products of hormones that would not necessarily show on a single blood sample.

Imaging. A CT or MRI scan, usually of the adrenal glands or abdomen, where the blood or urine results raise a possibility that needs looking at directly.

Skin assessment. Dermatological review where a skin condition such as rosacea is a realistic explanation for the pattern of redness.

Much of this may already have been done

Most people who reach this page have already been through a dermatologist, a physician, or a series of GP appointments, and arrive with a folder of results and no plan. Where the workup has been done, Dr Okiror reviews it in full — the actual results, not simply the letters reporting them as normal — and will request scans and reports directly. Where it has not been done, or where something has been missed, he arranges it.

What Is Tried First,
and What Has to Be True Before an Operation

Where no systemic cause is found, treatment starts with the non-surgical options. Beta-blockers, most commonly propranolol, are the usual first medical treatment; they often help the racing heart and the physical sense of alarm, though many people find they do less for the redness itself. Other medicines are used where beta-blockers are not tolerated or not effective. Psychological approaches — cognitive behavioural therapy in particular — have a genuine evidence base, especially where the fear of blushing has become as disabling as the blushing.

Two conditions have to be met before surgery is put on the table. First, systemic causes must have been properly looked for, and the results reviewed rather than simply reported. Second, conservative and medical treatment must have been tried and found not to give adequate relief.

This is also the national position. NICE recommends that the operation is considered only in patients with severe and debilitating blushing that has not responded to other treatments, and requires that anyone considering it is given clear written information about what it involves and what can go wrong. This page is part of discharging that requirement. The rest is done in person.

What Does the Surgery Involve
and What Is Actually Divided?

The sympathetic nerve chain runs down each side of the spine, just inside the back of the chest. Specific levels of that chain carry the signals to the blood vessels of the face. Endoscopic thoracic sympathectomy reaches the chain through the chest and interrupts it, so that the signal driving the flushing no longer arrives.

Dr Okiror divides the chain at the second thoracic level — a T2 sympathicotomy. Under the rib-oriented naming system now used internationally, the same procedure is described as an R2 sympathicotomy. The distinction is worth stating plainly because patients comparing surgeons are often given a level without being told which naming system it belongs to. The chain is divided rather than clipped.

That choice is deliberate. When the only randomised trial in this field followed its patients out to a median of sixteen years, division at R2 alone produced a better effect on blushing and higher satisfaction than the more extensive R2–R3 procedure. More extensive surgery did not buy a better result; it cost one.

The operation is performed under general anaesthesia through a single small incision on each side of the chest. Dr Okiror performs it both thoracoscopically and robotically, using the approach best suited to the individual case. It takes around 30 to 45 minutes. No chest drain is left afterwards, which removes the most uncomfortable part of conventional chest surgery, and most patients stay one night, mainly so pain relief can be managed properly before going home. Most people return to desk work within three to five days and to light activity within one to two weeks. Surgery takes place at London Bridge Hospital or The Lister Hospital Chelsea.

Can the Operation Be Staged,
and Does That Reduce Compensatory Sweating?

Traditionally both sides are treated in a single operation. An alternative is to stage it — treat one side, wait, assess the effect and the degree of compensatory sweating, and only then decide whether to treat the second side. Dr Okiror offers this in selected patients, and it is a considered option rather than a routine one.

The argument for it is compensatory sweating, which is the main reason people regret this operation. In a comparison of 126 one-stage bilateral against 135 two-stage unilateral single-port procedures followed for a mean of 7.2 years, compensatory sweating occurred in 21.4 per cent of the one-stage group and 4.4 per cent of the two-stage group. That study was in palmar and axillary hyperhidrosis rather than blushing, so the figures should not simply be transferred — but the direction of the finding is consistent and the difference was substantial. A staged single-port R2 approach has since been reported specifically for severe facial blushing, with low compensatory sweating rates in carefully selected patients. A randomised trial comparing one-stage against staged surgery is currently running.

The costs of staging are real and should be weighed openly. It means two operations, two general anaesthetics and two recoveries rather than one. There is an interval during which the two sides of the face may behave differently, which some people find more difficult than they expect. And if the first side gives a good result with acceptable compensatory sweating, some patients choose not to have the second side at all — which is either an advantage or an incomplete result depending on how you look at it.

Whether staging is the right approach for you is a decision made at consultation, on the severity of your symptoms, how much compensatory sweating would affect your work and life, and how you weigh one operation against two.

How Well Does It Work —
and What Does It Cost You?

There is one randomised trial of this operation for isolated facial blushing, and one very long-term follow-up of the same patients. Those, together with the largest retrospective series, are the honest evidence base. All three are quoted below, including where they disagree.

At one year

85 per cent had an excellent or satisfactory result in the randomised trial of 100 patients, with quality of life improved across all social and mental domains. Median age 29.

At sixteen years

82 per cent of the same trial patients still reported an excellent or satisfactory result — though only two-thirds responded to the survey, which the authors acknowledge as a limitation.

The larger, lower figure

A Swedish series of more than 3,000 patients followed for a mean of 14.6 years found a lasting effect on blushing in 72.8 per cent — the lowest of every indication studied, and well below the 95.6 per cent for sweaty hands.

Regret

13 per cent in the randomised trial regretted the operation despite careful selection and counselling; the Swedish series found 13.5 per cent, up from 7.8 per cent at earlier follow-up.

Compensatory sweating is usual, not occasional. Increased sweating elsewhere on the body, most often the trunk and back, was reported by 93 per cent of patients in the randomised trial at one year and 77 per cent at sixteen years. For most it is mild — a change of what you wear in summer rather than a change of life — and most say they would have the operation again anyway. For a minority it is heavy enough to become the main problem, and it cannot be undone. Gustatory sweating, a little facial sweating with certain foods, occurred in around a third, and dry hands in two-thirds.

Some blushing returns in a substantial minority. Mild recurrence was reported by 30 per cent within the first year and 41 per cent by sixteen years — in most cases milder than before surgery, and without overall satisfaction collapsing. This is the question patients ask each other most often and are answered least honestly. It is discussed before the operation, not after it.

The operation cannot be reversed. The nerve is divided. Everything above is the reason the consultation matters more than the operation.

What Else Can Go Wrong,
and How Often

Beyond compensatory sweating and recurrence, which are covered above because they are the main considerations, the following are set out in full at consultation.

  • Horner's syndrome
    A drooping eyelid and small pupil on one side, from disturbance of nerves near the operating level. Rare — one patient in the 100-patient randomised trial — and minimised by operating precisely at the intended level.
  • Harlequin face
    Flushing on one side of the face only, producing a visible difference between the two sides. Uncommon, and specific to surgery in this region.
  • Pneumothorax
    A small amount of air around the lung. Usually settles without treatment; occasionally needs a temporary drain.
  • Bleeding or infection
    Uncommon and usually minor. Serious bleeding from injury to a major vessel in the chest is very rare, but it has been reported in the literature and is not omitted here simply because it is rare.
  • The procedure not working
    NICE requires that patients are told the operation sometimes does not reduce the blushing. That is part of the honest position and it is said plainly before any decision.
  • General anaesthetic risks
    Low in fit patients and discussed individually at the pre-operative assessment.

One further point worth separating. Surgery addresses the physical event — the blood vessels opening and the face reddening. Where the fear of blushing has become established over many years, it may persist to some degree even when the blushing itself improves, and it may need its own support alongside. Patients who understand that distinction beforehand tend to be the ones who are satisfied afterwards.

Insurance, Self-Pay
and How to Be Seen

Sympathectomy is recognised by the major insurers, subject to the terms of your individual policy — BUPA, AXA Health, Aviva, WPA, Cigna and BUPA International. Self-funding patients are equally welcome, with a transparent quote provided in advance. New consultations from £250.

Self-referrals are welcome, and Dr Okiror also receives referrals from GPs, dermatologists and physicians. Appointments are usually available within 2 to 3 working days at London Bridge Hospital or The Lister Hospital Chelsea. Video consultation is available where travel is difficult, which is often the practical route for a first appointment while records and scans are being gathered.

To confirm your cover, or to send previous results ahead of a consultation, contact Jo Mitchelson, PA, on 020 7952 2882 or pa@lungsurgeon.co.uk.

Questions About
Facial Blushing & Flushing

The questions patients most often ask before a first consultation. See also the hyperhidrosis surgery page → if excessive sweating is the dominant problem.

Book a Consultation →

Or call Jo Mitchelson:
020 7952 2882

All my tests came back normal. Does that mean nothing can be done?
No. A normal set of results is genuinely good news — it means the serious causes have been looked for and not found — but it is not the same as having no explanation and no options. Where no systemic cause is found, the most likely explanation is overactivity of the sympathetic nerves that control the blood vessels in the face. That is a recognised condition with recognised treatments, including medical treatment and, for a refractory minority, surgery. Being told your tests are normal and then discharged without a plan is a common experience and it is not the end of the road.
What is the difference between facial blushing and facial flushing?
In everyday use the two words describe the same visible thing — the face going red — and most people use them interchangeably. Clinically, blushing tends to describe episodes triggered by being watched, questioned or put on the spot, while flushing is often used for redness with other triggers or with a systemic cause behind it. The distinction matters less than the workup: the purpose of assessment is to establish whether there is an underlying cause that can be treated in its own right, or whether the problem is sympathetic overactivity. Dr Okiror assesses both presentations.
What causes severe facial blushing?
There are two broad explanations. The first is a systemic cause — a condition elsewhere in the body producing the redness, such as an overactive thyroid, diabetes affecting the nerves that control blood vessels, hormonal changes including the menopause, a skin condition such as rosacea, certain medicines and alcohol, or rarely a hormone-producing tumour. The second is overactivity of the sympathetic nervous system, which controls the small blood vessels in the skin of the face without any conscious input. Investigations exist to tell those two apart, because the answer determines the treatment.
What tests will I need?
In general terms: blood tests to check thyroid function, blood sugar and hormone levels, together with markers used to look for rare hormone-producing tumours; urine tests, sometimes collected over 24 hours, to measure hormone breakdown products; imaging such as a CT or MRI scan where the blood or urine results point to a possible cause; and skin assessment where a condition such as rosacea is suspected. Much of this will already have been arranged by your GP, dermatologist or physician. Where it has not, or where results need reviewing together, Dr Okiror will arrange it.
When is surgery considered?
Only when two conditions are met. First, systemic causes must have been properly looked for and excluded, with the results reviewed rather than simply reported as normal. Second, conservative and medical treatment must have been tried and found not to give adequate relief. Surgery is not a first treatment and it is not offered as one. NICE restricts the procedure to severe and debilitating blushing that has not responded to other treatments, and that threshold is applied at every consultation.
What does the operation involve?
Endoscopic thoracic sympathectomy is a keyhole operation performed under general anaesthesia through a single small incision on each side of the chest. Dr Okiror divides the sympathetic nerve chain at the second thoracic level — a T2 sympathicotomy, described as R2 under the rib-oriented naming system now used internationally. No chest drain is left afterwards and most patients stay one night, mainly so that pain relief can be managed properly. Most people return to desk work within three to five days.
Can the operation be done one side at a time?
Yes, in selected patients. Treating one side first allows the effect on the blushing and the degree of compensatory sweating to be assessed before deciding whether to treat the second side. The reason to consider it is that staged surgery appears to produce less compensatory sweating: in one comparison of one-stage against two-stage surgery for palmar and axillary hyperhidrosis, compensatory sweating occurred in 21.4 per cent of the one-stage group against 4.4 per cent of the two-stage group at a mean of 7.2 years. The trade-offs are two operations, two anaesthetics and two recoveries, and an interval in which the two sides of the face may behave differently. Whether it is right for you is decided at consultation.
How successful is the operation for blushing, and what are the risks?
In the only randomised trial of the operation for isolated facial blushing, 85 per cent of patients had an excellent or satisfactory result at twelve months, and 82 per cent still did when the same patients were surveyed after a median of sixteen years. The largest long-term series, which was retrospective, reported a lower figure of around 73 per cent. Compensatory sweating elsewhere on the body is usual rather than occasional. Mild recurrence of blushing occurred in 30 per cent within the first year and 41 per cent by sixteen years, milder than before surgery in most cases. Around 13 to 15 per cent of patients regret having had the operation. It cannot be reversed.
What happens if the blushing comes back?
Some return of blushing is not unusual and it is discussed before surgery rather than afterwards. In the randomised trial, 30 per cent reported mild recurrence within the first year, rising to 41 per cent at long-term follow-up, and in most cases it was milder than it had been before the operation. Overall satisfaction stayed high despite this. It is also worth separating two things: the physical event of the face reddening, and the anxiety about it happening. Surgery addresses the first. Where the fear of blushing has become established over years, that may need its own support alongside.
Do I need a GP referral?
No. Self-referrals are welcome, and Dr Okiror also receives referrals from GPs, dermatologists and physicians. Private appointments are usually available at London Bridge Hospital or The Lister Hospital Chelsea within 2 to 3 working days, with video consultation available where travel is difficult. New consultations from £250 and most major insurers are accepted.

Evidence cited on this page

Licht PB, Pilegaard HK, Ladegaard L. Sympathicotomy for isolated facial blushing: a randomized clinical trial. Ann Thorac Surg 2012;94:401–405. doi:10.1016/j.athoracsur.2012.03.076 (ClinicalTrials.gov NCT00225069).
Dittberner FA, Jørgensen OD, Pilegaard HK, Ladegaard L, Licht PB. Sympathicotomy for isolated facial blushing: long-term follow-up of a randomized trial. Eur J Cardiothorac Surg 2024;65(3):ezad414. PMID 38085236.
Smidfelt K, Drott C. Late results of endoscopic thoracic sympathectomy for hyperhidrosis and facial blushing. Br J Surg 2011;98:1719–1724. PMID 21928403.
Menna C, Ibrahim M, Andreetti C, et al. Long-term compensatory sweating results after sympathectomy for palmar and axillary hyperhidrosis. Ann Cardiothorac Surg 2016;5(1):26–32.
van der Weijde E, Kuijpers M, Bouma W, Mariani MA, Klinkenberg TJ. Staged single-port thoracoscopic R2 sympathicotomy as a reproducible, safe and effective treatment option for debilitating severe facial blushing. Interdiscip Cardiovasc Thorac Surg 2022;35(5):ivac257.
Cerfolio RJ, de Campos JRM, Bryant AS, et al. The Society of Thoracic Surgeons expert consensus for the surgical treatment of hyperhidrosis. Ann Thorac Surg 2011. PMID 21524489.
National Institute for Health and Care Excellence. Endoscopic thoracic sympathectomy for primary facial blushing. Interventional procedures guidance IPG480, published February 2014; now issued as HealthTech guidance HTG331, guidance unchanged.

Book a Consultation

Appointments within 2–3 days. Self-referrals welcome. Assessment first — not every consultation ends in a recommendation for surgery, and that is the point.

Book a Consultation → Second Opinion

Jo Mitchelson, PA  · 020 7952 2882 · pa@lungsurgeon.co.uk

St Thomas' Hospital #1 UK · Guy's Hospital #2 UK · London Bridge Hospital #10 UK · Newsweek World’s Best Hospitals 2026

Related Pages

Hyperhidrosis Surgery

The same operation for excessive sweating of the hands, face and underarms — different indication, different published outcomes

Excessive Sweating

The symptom entry point where sweating rather than redness is the dominant problem

Second Opinion

Where you have been given an opinion elsewhere and want the evidence and the alternatives set out again

📅Book 📞020 7952 2882