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How to Get Your Doctor to Take IBS Seriously

Being dismissed with IBS is usually structural, not personal. What drives it, what actually changes clinician behaviour, and how to escalate properly.

Clairop Team32 min read

Photo: Elena Leya / Unsplash

The short answer

Most IBS dismissal is structural rather than personal: surveys show most primary care doctors still treat IBS as a diagnosis of exclusion, IBS has no dedicated NIH funding category, and being read as a difficult patient measurably lowers diagnostic accuracy. The moves that work are bringing scored numbers instead of adjectives, naming the three tests guidelines actually endorse, and escalating through second opinion, PALS or patient relations, and formal complaint.

If a doctor has told you it is "just IBS" and moved on, the useful thing to know is that this is mostly not about you, your words, or how well you described the pain. It is a predictable output of how IBS sits in medicine: most primary care doctors surveyed across the US and Europe still treat it as a diagnosis of exclusion rather than a diagnosis in its own right (Heidelbaugh 2025), there is no visible abnormality to point at, and it does not appear as a line item in the NIH's public table of research spending, while inflammatory bowel disease and Crohn's disease both do (NIH RCDC).

That reframing matters because it changes what you do about it. If the problem were your explanation, the fix would be a better script. It is not, mostly. The fix is structural too: bring things that survive the transfer between clinicians, ask for a small number of specific things by name, and know the escalation ladder before you need it. This article is about that. For what to actually say inside the room, how to explain IBS to a doctor covers the opener and the vocabulary, and the questions to ask a gastroenterologist about IBS covers the asks. We will not rebuild either here.

The short answer: change what you hand over, then change who you hand it to

There are only two levers that reliably move this. The first is the input: what you bring, in what form, framed as a specific request rather than a general plea. The second is the route: which clinician, which service, and which formal channel when the first two do not work.

What does not work well, on the evidence, is turning up the volume. That is not a moral point about being polite. It is a finding: when researchers gave doctors clinical vignettes that were identical except that the patient was described as behaving difficultly, diagnostic accuracy dropped (Schmidt 2017). More on that below, because it is the most uncomfortable and most useful thing in this article.

Why IBS gets less attention than its burden justifies

IBS is not rare and it is not mild, but almost every structural signal a clinician receives says otherwise.

Start with scale. The Rome Foundation Global Study surveyed 73,076 adults across 33 countries and found that more than 40% of internet respondents and about 21% of household-interview respondents met criteria for at least one disorder of gut-brain interaction, with these conditions more common in women and associated with lower quality of life (Sperber 2021). That is a burden comparable to conditions that get their own clinics, their own charities and their own research budgets.

Now look at the funding signal. The NIH publishes an annual table of estimated spending by research, condition and disease category. "Inflammatory Bowel Disease" is a category, with roughly $186 million estimated for 2025. "Crohn's Disease" is a category. "Digestive Diseases" is a category, at around $2.8 billion. "Irritable Bowel Syndrome" does not appear on the table at all (NIH RCDC). That absence is not a zero, because IBS research is funded under broader headings, and a missing category is not the same as missing money. But it does mean there is no published NIH figure for IBS specifically, and a condition without its own line has no number anyone can be embarrassed about.

Then there is the diagnostic framing, which is the one you actually feel in the room.

"Diagnosis of exclusion" is a quietly destructive frame. It means the diagnosis arrives as a leftover. Nothing was found, so this is what is left, so there is nothing to do. A positive diagnosis works the other way: these features are present, they match a defined pattern, and here is the management plan that follows. Both the American College of Gastroenterology and the British Society of Gastroenterology have moved to the second framing. ACG explicitly suggests a positive diagnostic strategy rather than a strategy of exclusion, in order to improve time to starting appropriate therapy (Lacy 2021), and BSG reclassifies IBS as a disorder of gut-brain interaction rather than a functional disorder (Vasant 2021). The guidelines have moved further than everyday practice has.

The number everyone repeats, and where it does not come from

Search for how long IBS takes to diagnose and you will find "an average of four years in the UK" stated as a plain fact. We opened the page ranking for that claim. It states the figure in the first sentence and carries no citation anywhere: no study, no survey, no footnote, not even a named source (GI Doctors).

Secondary coverage also attributes a figure of 6.6 years from symptom onset to diagnosis to the International Foundation for Gastrointestinal Disorders patient survey. We went to that survey. Drossman and colleagues surveyed 1,966 people with IBS recruited through IFFGD and University of North Carolina websites, and the abstract reports symptom severity, quality of life, medication use, and the finding that respondents would on average give up 25% of their remaining life for a symptom-free treatment. It does not report a time from symptom onset to diagnosis (Drossman 2009). We could not retrieve the full text through Europe PMC and the IFFGD facts page timed out on two attempts, so we cannot say whether the figure appears deeper in the paper. What we can say is that we did not verify it, and neither, apparently, did the pages repeating it.

This matters for your appointment in a practical way. If you walk in armed with "the average is four years", you are bringing a number you cannot defend, to a person who is professionally trained to notice that. Bring your own dates instead. Yours are real.

What "it is just anxiety" is actually doing

The single most common complaint in the r/ibs threads about dismissal is not that doctors were rude. It is that everything got attributed to anxiety. One highly upvoted thread about gastroenterologist experiences drew over a hundred replies, and a recurring note was that people had become reluctant to mention anxiety at all, in case it swallowed the rest of the consultation (r/ibs thread). A separate thread asking whether people feel dismissed collected the same pattern in shorter form (r/ibs thread).

There is a specific mechanism behind this, and it has a literature. Feingold and Drossman trace the stigma attached to disorders of gut-brain interaction to three features: the absence of a structural cause to explain symptoms, high psychiatric comorbidity, and the fact that these conditions respond to neuromodulators traditionally used in psychiatry. Together those features cause the disorders to be "frequently and wrongly presumed to be psychiatric", with consequences including emotional distress, medication non-adherence, barriers to accessing care, and increased symptoms. They root the whole problem in seventeenth-century mind-body dualism (Feingold 2021).

The knock-on effect has actually been measured, in functional dyspepsia rather than IBS. In a cohort of 138 patients starting antidepressant treatment, stigma scores rose over eight weeks of treatment and were associated with medication adherence (Yan 2021). A follow-up randomised, single-blind trial in 160 patients tested two ways of explaining the same prescription. One group was told the brain is the "headquarters" of the gut and that antidepressants act as neuromodulators. The other was told the drugs were empirically effective. After eight weeks, the proportion with reduced internalised stigma was 64% in the mechanism-explanation group versus 12% in the comparison group (Yan 2022). Same drug, same condition, different sentence, very different experience. Note the population: these were people with functional dyspepsia, not IBS, and the endpoint was stigma and adherence rather than symptom resolution.

So the useful move is not to deny anxiety. It is to split the claim in two. "Anxiety is present" is usually true and worth treating on its own terms. "Anxiety explains all of this" is a separate, testable claim. Ask which one is being made. Then ask what would change their mind. For the actual evidence on stress and IBS symptoms, which is more interesting than either the dismissal or the denial, see can stress cause an IBS flare up.

Whose symptoms get dismissed: what the evidence shows

The evidence on differential dismissal is real, but almost none of it was collected in IBS clinics, so the honest framing is that these are findings about medicine generally that plausibly apply here, not IBS-specific findings.

On sex, the best-measured example is acute abdominal pain in emergency departments. In a prospective cohort of 981 adults with non-traumatic abdominal pain, men and women had similar mean pain scores, but women were less likely to receive any analgesia (60% versus 67%) and less likely to receive opiates (45% versus 56%). After adjusting for age, race, triage class and pain score, women were still 13% to 25% less likely to receive opioid analgesia, and waited a median 65 minutes versus 49 minutes (Chen 2008). The broader argument that women's pain reports are more readily attributed to emotional causes was set out two decades ago and is still cited (Hoffmann 2001).

On race, the most-cited experimental work found that half of a sample of white medical students and residents endorsed at least one false belief about biological differences between Black and white people, and that those who endorsed them rated a Black patient's pain as lower and made less accurate treatment recommendations (Hoffman 2016). Closer to this topic, a 2026 qualitative study interviewed twenty Black young people aged 8 to 18 with painful disorders of gut-brain interaction, and found stigma reported from providers, teachers and school nurses, family and peers, with others' lack of knowledge about these disorders identified as the largest risk factor (Adetayo 2026). That is a small qualitative study in children, and it should be read as such, but it is one of the few pieces of evidence set specifically in this condition group.

This section is here for one reason: if you have wondered whether you are imagining the pattern, the pattern is documented. It is not a reason to expect dismissal, and it is not a script to use in the room. It is a reason to write things down, because a written record is much harder to discount than a spoken account.

The "difficult patient" trap, and what it actually costs

This is the part that is least comfortable to write and most useful to know.

A systematic review and meta-analysis published in 2026 pooled studies of difficult patient encounters in non-psychiatric adult settings. Clinicians perceived 17% of clinic patients as difficult (95% CI 15% to 19%). The patient characteristics that raised the risk of being perceived that way included anxiety (relative risk 2.1), depression (RR 1.9) and chronic pain (RR 1.9). Less experienced clinicians rated more encounters as difficult. And patients from encounters rated difficult were more likely to have unmet expectations (RR 1.9) and lower satisfaction (Jackson 2026). The review reports no primary funding source, which is worth noting given how often workload and burnout research is funded by physician bodies.

Read that list again. Anxiety, depression and chronic pain are three of the most common comorbidities in IBS. A large share of people with IBS walk into the appointment already carrying the characteristics that predict being labelled difficult, before anyone says a word.

Then there is what the label does to the doctor's thinking. Two companion randomised experiments tested this directly. In the first, 63 family practice residents diagnosed six vignettes that were identical except that the patient was portrayed as displaying distressing behaviours or as neutral. Mean diagnostic accuracy was 0.54 for difficult patients versus 0.64 for neutral ones, and deliberate reflection improved accuracy in both groups (Schmidt 2017). In the second, 74 internal medicine residents diagnosed eight matched vignettes: accuracy was 0.41 versus 0.51, and the participants recalled fewer clinical findings and more behaviours from the difficult versions, suggesting the mental resources went to managing the person rather than the problem (Mamede 2017).

What actually changes what a clinician does

Here is the honest answer, and it is not the answer most articles on this topic give: the evidence that a patient can change a clinician's behaviour is thin, and the effects that have been measured are small.

The best test of the patient-side lever is the Cochrane review of interventions delivered before consultations to help patients ask questions, covering 33 randomised trials and 8,244 patients (Kinnersley 2007). The accompanying BMJ meta-analysis reported small but statistically significant increases in question asking (standardised mean difference 0.27, 95% CI 0.19 to 0.36) and in patient satisfaction (0.09, 0.03 to 0.16). Changes in patient anxiety, knowledge and consultation length were not statistically significant. Written materials performed about as well as coaching (Kinnersley 2008). So question prompt lists work, a bit, on the things they most directly touch. They are not a lever on diagnosis.

The system-side lever has a bigger literature and a similarly modest result. Audit and feedback, in which clinicians are shown data on their own practice against a target, is the most-studied behaviour change strategy in health care, and the Cochrane review has now run to five updates with persistent uncertainty about how big the effect is and what makes it larger (Ivers 2025). That is the machinery your complaint eventually feeds into, and it is worth knowing that it grinds slowly.

What does have decent evidence is the relationship itself, on your symptoms rather than on the doctor's reasoning. In a three-arm randomised trial in 262 adults with IBS, participants were assigned to a waiting list, to placebo acupuncture alone, or to placebo acupuncture delivered with a practitioner relationship "augmented by warmth, attention, and confidence". Global improvement scores at three weeks were 3.8, 4.3 and 5.0 respectively, a significant trend (Kaptchuk 2008). The Rome Foundation working team later reviewed the evidence on communication skills and concluded that communication skills training leads to improved patient satisfaction and outcomes, while stating plainly that these data are limited and more research is needed (Drossman 2021).

Put those together and the realistic goal comes into focus. You are not going to change how a clinician thinks in ten minutes. You can change what they are thinking about, and you can change which clinician you are talking to. That is the whole game.

Bring numbers, not adjectives

A scored number survives the handover between clinicians. An adjective does not.

The IBS Severity Scoring System is the obvious candidate, because it is the instrument most IBS trials use. It combines pain, distension, bowel dysfunction and general wellbeing into a total out of 500, with 75 to 175 counting as mild, 175 to 300 moderate and above 300 severe, and healthy controls scoring under 75 (Francis 1997). "Three hundred and forty, down from three hundred and ninety after eight weeks" is a different kind of statement from "it is still really bad". The first can be compared, plotted and acted on. The second cannot.

The same applies to stool form, where the Bristol scale gives everyone the same vocabulary, and NICE explicitly names it as the tool to show people when establishing bowel habit (NICE CG61). The mechanics of how to present all this, what clinicians will and will not read, and why a forty-page export gets set aside, are covered in building a symptom tracker for your doctor. The run-up to the appointment itself is in how to prepare for a GI doctor appointment. We are not repeating either. Tools like an IBS symptom tracking app can produce the numbers, and Clairop's approach to logging and reports is built around producing something you can hand over, but a paper diary with dates in it does the same job.

Clairop logs meals, symptoms and stool in seconds, then looks for the foods your gut reacts to, including reactions that land days later.

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The tests worth naming, and the ones that are not dismissal to refuse

This is the section that most "advocate for yourself" articles get backwards. Asking for more testing is usually the weakest available move, and being refused a scope is frequently correct medicine rather than dismissal.

The trial that settles this randomised 302 primary care patients aged 18 to 50 who met Rome III criteria without alarm features to either a positive diagnostic strategy (blood count and CRP only) or a strategy of exclusion (blood tests, stool samples for parasites, and sigmoidoscopy with biopsies). At one year, the positive strategy was non-inferior on health-related quality of life, with similar effects on symptoms and satisfaction and lower direct costs (Begtrup 2013). The five-year follow-up through national registries found no cases of coeliac disease and no gastrointestinal or gynaecological cancers in either group, with comparable and negligible numbers of IBD diagnoses (Engsbro 2021).

NICE says the same thing in list form. The tests to do when someone meets IBS criteria are a full blood count, ESR or plasma viscosity, CRP, and antibody testing for coeliac disease. The tests explicitly described as not necessary to confirm the diagnosis are ultrasound, sigmoidoscopy, colonoscopy, barium enema, thyroid function tests, faecal ova and parasites, faecal occult blood, and hydrogen breath testing (NICE CG61).

It is also worth knowing why symptom criteria alone cannot carry the whole weight. A JAMA systematic review of ten studies in 2,355 patients found that individual symptom items had positive likelihood ratios between 1.2 and 2.1, which is weak, and that the summary prevalence of IBS after investigation in these cohorts was 57% (Ford 2008). Criteria narrow the field. They do not close it. That is exactly why a small, targeted test set beats either extreme.

So here is the short list actually worth naming by name.

AskWhy it is defensibleWho backs it
Coeliac serology (tTG or EMA)Pooled prevalence of biopsy-proven coeliac disease in people meeting IBS criteria was 4.1% across 14 studiesFord 2009, NICE CG61
Faecal calprotectin, if diarrhoea is part of the pictureACG suggests checking it in suspected IBS with diarrhoea to rule out IBDLacy 2021
Full blood count and CRPNamed in the NICE test set at initial assessmentNICE CG61
Bile acid diarrhoea testing, if diarrhoea persistsAcross 17 studies in 1,073 patients labelled IBS-D, 32% had moderate bile acid malabsorption on SeHCATWedlake 2009
A dietitian referralNICE says further dietary advice including low FODMAP should only be given by someone with expertise in dietary managementNICE CG61

The bile acid one deserves a note, because it is the single most commonly skipped item on this list. The Wedlake review concluded that idiopathic adult-onset bile acid malabsorption "is not rare" and that international IBS guidelines needed revising so clinicians became more aware of it. SeHCAT is not available everywhere, and alternatives vary by country, so the ask is "has bile acid diarrhoea been considered and how would we test for it here", not "give me a SeHCAT scan". Other look-alikes are covered in SIBO versus IBS symptoms, and getting your subtype right changes which of these is relevant at all, which is the subject of the difference between IBS-D and IBS-C.

A worked example: the same six weeks, two versions

Version one. You go in and say the pain has been unbearable for months, that nothing helps, that you have tried everything, and that you think something is being missed. The clinician hears an undifferentiated complaint with no timeline and an implied accusation. They ask about stress. You tense. They note that you seem anxious. The visit ends with a suggestion to try a low FODMAP diet, which you have already done, and a follow-up in six months.

Version two. Six weeks earlier, you start recording three things daily: a pain score out of ten, a Bristol type for each stool, and whether you were woken at night. At week four you score the IBS Severity Scoring System once. You print one page with your dates, your total score, the count of nights disturbed, and one line of history: "Symptoms began four months after a food poisoning episode in March 2024. No blood, no weight loss." You bring your previous results if you have them.

You open with one specific ask: "My total severity score is 320 and I have been woken by symptoms eleven nights in the last six weeks. I would like to know whether coeliac serology and faecal calprotectin have been done, and if not, whether they should be."

The second version does three things the first does not. It converts the argument about severity into a number that can be rechecked. It names a red flag status explicitly, which stops the clinician having to fish for it. And it converts an open-ended complaint into a closed question with a yes or no answer, which is much harder to leave hanging than "please help me". The nights-woken count is doing particular work there, because night-time symptoms sit on every alarm feature list.

If your history includes a post-infectious start, say so, because that is a recognised subgroup with a different story. If symptoms come and go in ways you cannot predict, the baseline question is worth settling first, and how to know if your IBS is flaring up is about exactly that problem.

The escalation ladder, rung by rung

Escalate in order. Skipping rungs is the thing that gets you filed as a problem rather than as a patient with an unresolved issue.

Rung one: re-ask the same clinician, with a defined question. Most apparent refusals are actually non-answers. "Can we do more?" invites "not really". "Which of the four NICE baseline tests have I had, and what were the results?" invites an answer that goes in the notes. Ask for the reasoning to be recorded. This is not a threat, it is a request, and a documented rationale is usually a more careful rationale.

Rung two: ask for the specific thing, by its name. A dietitian referral. A calprotectin. An opinion from a sub-specialist in disorders of gut-brain interaction. Psychological therapy referral is worth knowing about specifically, because NICE frames it as something to consider for people who have not responded to drug treatment after twelve months with a continuing symptom profile (NICE CG61). The access route for gut-directed hypnotherapy specifically is covered in does gut-directed hypnotherapy work for IBS. If a trial of low FODMAP has already failed, say so and say what you actually did, because "I tried it" and "I completed a structured elimination with reintroduction" are different statements. What to do if low FODMAP does not work and what reintroduction symptoms mean are both more useful to quote than "diet did not help".

Rung three: second opinion. In England you do not have a legal right to one, but NHS trusts state that the General Medical Council requires all doctors to respect a patient's right to seek a second opinion, and that in practice a healthcare professional will consider your circumstances rather than refuse outright. The mechanics matter: after seeing a consultant team you usually go back to your GP and ask to be referred again, the new consultant is told it is a second opinion, they may request your previous results, and you are treated as a new patient referral, sometimes at a different hospital (East Lancashire Hospitals NHS Trust). In the United States the constraint is your plan's network and referral rules rather than a right, and the practical route is usually your primary care physician or your insurer's member services.

Rung four: the advice and liaison layer. In England this is PALS, which handles concerns informally and confidentially and will contact clinical staff on your behalf with your permission. In the US the equivalent is the hospital's patient relations or patient advocate office. This layer exists precisely for "I could not get a straight answer and I do not want to make a formal complaint yet", and it is under-used.

Rung five: formal complaint. In England you complain either to the provider (the GP practice or the trust) or to the commissioner that pays for the service, but not to both. Complaints are acknowledged within three working days, and trusts typically aim to respond within around 25 working days (NHS England). Complain about a specific decision and its consequence, with dates. "He was dismissive" is not actionable. "On 14 May I reported night-time symptoms and weight loss and no investigation was arranged, and no reason was recorded" is.

Rung six: the ombudsman or the board. In England, unresolved NHS complaints go to the Parliamentary and Health Service Ombudsman, usually within a year of you becoming aware of the problem (NHS England). In the US, conduct and competence concerns go to the state medical board. Both are slow, both are for genuine failures rather than for a consultation that went badly, and neither will get you an appointment faster.

Changing doctors: when it helps and when it resets the clock

Changing helps when the mismatch is about expertise or fit. It hurts when it wipes your history.

A new clinician starts from your account, not from continuity. Everything you have established, every test already done, every treatment already tried, has to be re-transmitted or it effectively did not happen. This is the single strongest practical argument for keeping your own record: the person most likely to need your 2024 calprotectin result is a doctor you have not met yet.

Before switching, ask whether the problem is the person or the service. If your clinician has been thorough and has simply run out of options, the better ask is a sub-specialist referral, not a fresh start. Interest in disorders of gut-brain interaction is not evenly distributed, and asking to be seen by someone with that interest is a legitimate and specific request. If the question is whether you need a specialist at all, that decision is made before any of this, and should I see a gastroenterologist for IBS covers what a GP can already order and prescribe without a referral.

What patients actually say they want, which is smaller than you think

Two studies asked directly, and the answers are worth reading if only because they are so modest.

In a qualitative analysis of expressive writing by 57 people with IBS, 70% wrote about their relationship with a healthcare provider at least once. Of 197 relationship comments, 54% were negative and 11% positive. The top themes were "I need more empathy and listening from my HCP about how much IBS affects my life" (27%) and "nothing my HCP does helps my IBS" (25%), with "my HCP thinks I'm crazy" at 8%. When asked what would most improve the relationship, 53% named listening, empathy and education (Halpert 2011). Nobody asked for a cure.

The earlier national survey of 1,242 people with IBS found something equally useful: widespread misconceptions, with 52% believing IBS is caused by a lack of digestive enzymes, 43% believing it is a form of colitis, 48% believing it will worsen with age and 21% believing it can develop into cancer (Halpert 2007). Some of the frustration in this space is a genuine information gap that a good ten minutes of explanation would close.

The interview study that first mapped the doctor side found that doctors hold two definitions of IBS, a public one resembling the textbook and a private one carrying experiential knowledge and "absorbed prejudices", that gastroenterologists' views tended to be more pejorative than GPs', and that most doctors' frustration came as much from medical uncertainty and a shortage of effective interventions as from the patients themselves (Dixon-Woods 2000). That study is from 2000 and is small, twelve doctors and fourteen patients, so treat it as a description of a dynamic rather than a current measurement. But it names something real: a lot of what reads as contempt is a clinician who does not have much to offer and would rather move on than sit in that.

Myths worth dropping before your next appointment

"If I push hard enough they will find something." The five-year follow-up of the testing trial found no missed cancers or coeliac disease in either arm (Engsbro 2021). Extensive investigation of people who meet criteria and have no alarm features mostly finds nothing, which is why guidelines stopped recommending it. Push for the four or five tests that have a yield, not for volume.

"Being emotional shows them how bad it is." The vignette experiments found accuracy dropped when patients were portrayed as difficult, and that doctors recalled more about the behaviour and less about the clinical findings (Mamede 2017). That is a failure of the system, not a rule you should have to follow. It is still true.

"An IBS diagnosis means they have given up." Under the positive-diagnosis framing endorsed by ACG and BSG, an IBS diagnosis is the start of a management plan, with dietary, pharmacological and psychological options that have trial evidence behind them (Lacy 2021, Vasant 2021). If your diagnosis came with no plan, the gap is the plan, not the label.

"A normal colonoscopy means the doctor has done their job." Not necessarily. Coeliac serology, calprotectin and bile acid testing all sit outside a colonoscopy, and a normal scope does not address any of them. A clear scope narrows the list. It does not empty it.

"Complaining will get me struck off the list." Complaints processes are formal, documented and separate from clinical care, and the NHS route runs through defined timescales rather than through your clinician's goodwill (NHS England). The realistic risk is not removal, it is a colder relationship, which is a reason to escalate proportionately rather than a reason never to.

"IBS is what they call it when they do not know." It is a positively defined symptom pattern with diagnostic criteria, and the more than 40% internet-survey prevalence of disorders of gut-brain interaction in the Rome global study is not a filing cabinet for the undiagnosed (Sperber 2021). That said, criteria are imperfect, individual symptoms carry weak likelihood ratios (Ford 2008), and a diagnosis that stops explaining your symptoms is worth revisiting.

Red flags: see a doctor promptly

Everything above assumes you already have an IBS diagnosis and your symptoms are behaving in a familiar way. If any of the following are present, new, or getting worse, that is not an advocacy problem, and it should not wait for the next routine appointment. See a doctor promptly:

  • Blood in your stool, or black tarry stools
  • Unexplained weight loss
  • A change in bowel habit that starts after age 50
  • Symptoms that reliably wake you from sleep
  • Fever alongside gut symptoms
  • Anaemia, or symptoms of it such as new breathlessness or unusual fatigue
  • A family history of bowel cancer, coeliac disease or inflammatory bowel disease
  • Severe or persistent vomiting, or an abdominal mass
  • Pain that is severe, sudden, or fixed in one place rather than moving

NICE lists red flag assessment as part of the initial IBS assessment and says their emergence during follow-up should prompt further investigation or referral to secondary care (NICE CG61). Say these out loud and early. They are the one category of symptom that reliably changes what happens next.

If the problem is your working life, not just your appointment

One thing worth separating out: a lot of what people want from "being taken seriously" is actually a document. A note that lets you get a bathroom-proximate desk, flexible start times, or leave that does not count against you is a different ask from a diagnosis, and it runs on different machinery. The request can be specific and small, and a clinician who has nothing new to offer therapeutically may still be entirely willing to write one. IBS accommodations at work covers what to ask your doctor to write and what to leave out of it.

The honest bottom line

You probably cannot make a particular doctor care. What you can do is change three things: the form of what you hand over, the specificity of what you ask for, and which door you knock on next.

The form is numbers with dates. A scored severity total, a stool record, a count of disturbed nights, and one line of history. These travel between clinicians and they are hard to argue with.

The specificity is naming the test or referral rather than asking for help in general. Coeliac serology, calprotectin if there is diarrhoea, bile acid testing if diarrhoea persists, a dietitian, a psychological therapy referral after twelve months of unsuccessful drug treatment. Five specific asks beat one big one.

The door is the ladder: re-ask, then the named ask, then a second opinion, then PALS or patient relations, then a formal complaint, then the ombudsman or the board. In order, in writing, with dates.

And if it helps at all: the research says the frustration on the other side of the desk is often uncertainty rather than contempt (Dixon-Woods 2000), that the framing most clinicians were taught is the one the guidelines have since abandoned (Heidelbaugh 2025), and that what most people with IBS say they want from a clinician is to be listened to, not to be cured (Halpert 2011). None of that makes a bad appointment acceptable. It does mean that when you walk out feeling unserious, the most likely explanation is a system that has been pointed the wrong way for decades, and not anything you failed to say.

Frequently asked questions

What do I do when a doctor blames everything on anxiety?
Separate the two claims. Anxiety being present is usually true and worth treating. Anxiety being the whole explanation is a different claim, and it is the one to question. Ask directly what would change their mind, and what they would expect to see if it were not anxiety. Asking for the answer to be written in the notes tends to make the reasoning more careful, because a written diagnosis has to be defensible.
Do I have a right to a second opinion?
In England you do not have a legal right to one, but the General Medical Council requires doctors to respect a patient's right to seek one, and NHS trusts state that refusals are rare. In practice you usually go back to your GP and ask to be referred again, and the new consultant is told the referral is for a second opinion. In the US it depends on your insurance plan's network and referral rules rather than on a right.
Is asking for more tests the way to be taken seriously?
Usually not. A randomised trial compared a positive diagnostic strategy with limited blood tests against extensive testing including sigmoidoscopy, and found no difference in quality of life at one year, with lower costs in the limited group, and no missed inflammatory bowel disease or cancer in either arm at five years. Being refused a colonoscopy you do not need is not the same thing as being dismissed.
Which tests should I actually push for with IBS symptoms?
Guidelines endorse a small, specific set: coeliac serology, a full blood count and inflammatory markers, and faecal calprotectin if diarrhoea is part of the picture. If diarrhoea persists, bile acid diarrhoea is worth naming, because it appears in a substantial minority of people labelled IBS-D. Ask which of these have been done and what the results were, rather than asking for tests in general.
Does being difficult in the appointment get you taken more seriously?
The evidence points the other way. In two randomised experiments, doctors given identical clinical vignettes scored lower on diagnostic accuracy when the patient was described as behaving disruptively, and recalled fewer clinical details and more behaviours. That is not a reason to be passive, and it is not your fault. It is a reason to put the pressure into written numbers rather than into the room.
How do I complain about a gastroenterologist?
In England, start with the Patient Advice and Liaison Service at the trust, which handles concerns informally, then make a formal complaint to the provider or the commissioner, but not both. Unresolved complaints go to the Parliamentary and Health Service Ombudsman, usually within a year of you becoming aware of the problem. In the US the equivalent first step is the hospital's patient relations or patient advocate office, with the state medical board for conduct concerns.
Should I change doctors or keep trying with this one?
Changing helps when the problem is fit or expertise, and hurts when it resets your history to zero. A new clinician starts from your account rather than from continuity, which is why a written summary and any previous results matter more at a first appointment than at a fifth. If your current doctor has been thorough and simply has nothing left to offer, a sub-specialist referral is a better ask than a fresh start.
Why is IBS treated as less serious than IBD?
Several structural reasons stack up. Most primary care doctors surveyed in the US and Europe still see IBS as a diagnosis of exclusion rather than a positive diagnosis. There is no visible structural abnormality to point at, which researchers have linked directly to stigma. And IBS does not appear as a category in the NIH's published research spending table, while inflammatory bowel disease and Crohn's disease both do.
Does bringing a symptom diary actually change anything?
It changes what the conversation is about, which is the realistic goal. A scored total such as the IBS Severity Scoring System converts an argument about how bad things are into a number that can be compared over time. What it cannot do is force a clinician to act, and there is no trial showing that handing over patient-collected data on its own improves IBS outcomes.
What if I am dismissed and something serious gets missed?
Red flag features change the calculation and should be stated first, not saved for the end: rectal bleeding, unexplained weight loss, a change in bowel habit starting after 50, night-time symptoms that wake you, fever, anaemia, or a family history of bowel cancer, coeliac disease or IBD. If any of these are present and are not being investigated, see a doctor promptly and say the words out loud rather than describing them in passing.

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