Quick answer: At a first gastroenterologist visit, ask: what do you think is causing my symptoms, what else could it be, which tests do I need and why, and what should I try in the meantime? If IBS is on the table, ask how it was diagnosed, which tests ruled out other conditions, and which diet, medicine or therapy options suit your subtype. Always ask which symptoms should make you call back sooner.
GI appointments are short, and the room has a way of wiping your memory. You walk out, then remember the thing you meant to ask.
This guide gives you questions sorted by visit type. It also covers the questions your gastroenterologist is likely to ask you, because answering those well, with dates and patterns instead of "it's been a while", is what makes the visit move.
Key takeaways
- Pick your top three questions and ask them first. AHRQ recommends writing questions down before the visit and putting the most important first [1].
- Expect to be asked where your pain is, when it happens, what changes it, and how your bowel habits have changed [5]. A 2–4 week log answers most of this.
- For IBS, ask how the diagnosis was made. The ACG supports a "positive" symptom-based diagnosis with a few targeted tests, rather than testing for everything [4].
- Ask about every test: what it's for, how to prepare, and when you'll get results [2].
- Always leave knowing what should make you call back sooner.
What will a gastroenterologist ask you?
Your gastroenterologist will mostly ask about your symptoms' location, character, timing and triggers, plus your bowel habits, medicines and family history. Clinicians commonly ask about [5]:
| They'll ask | What a useful answer sounds like |
|---|---|
| Where is the pain? Does it spread? | "Lower left, sometimes into my back." See how to describe abdominal pain. |
| What does it feel like, and is it constant or on and off? | "Crampy, comes in waves, lasts 20–40 minutes." |
| When does it happen? After meals, at night, with your period? | "Usually 1–2 hours after lunch; it woke me twice last month." |
| What makes it better or worse? | "Better after a bowel movement; worse with big fatty meals." |
| How have your bowel habits changed? | "From once a day, type 4, to 3–4 times a day, mostly type 6, since June." See how to describe your poop. |
| Any blood, black stool, weight loss, fever? | "No blood. I've lost 2 kg without trying." |
| What medicines and supplements do you take? | A written list including over-the-counter drugs and supplements [1]. |
| Family history? | "My father had colon polyps at 52; my aunt has celiac disease." |
| What have you already tried? | "Fiber supplement for 3 weeks, no change; cut dairy for 2 weeks, slight improvement." |
If you only prepare one thing, prepare these answers. our on-page GI symptom checklist lays them out on one page.
What questions should you ask at a first GI visit?
At a first visit, focus on understanding the working diagnosis, the plan and the safety net. You won't need all of these. Circle the ones that matter to you.
About what's going on
- What do you think is most likely causing my symptoms?
- What else is on your list, and how will we rule those out?
- Does anything in my history worry you, or reassure you?
About next steps 4. Which tests do you recommend, and what will each one tell us? [2] 5. Is there anything I should try now (diet, fiber, medication) while we wait for results? 6. Should I change or stop any medicine or supplement I'm taking? 7. Should I keep eating normally before any tests? (This matters for celiac blood tests: going gluten-free beforehand can affect the results [6].)
About the safety net 8. Which symptoms should make me call you before my next appointment? 9. Who do I contact with questions, and how quickly will someone respond? 10. When should I follow up, and what should I track until then?
AHRQ also suggests bringing someone with you to help ask questions and remember the answers [1]. If that's not possible, ask whether you can take notes or have the plan written in your visit summary.
What questions should you ask about IBS?
If your doctor thinks you have irritable bowel syndrome (IBS), ask how they reached that conclusion and what the treatment plan is for your subtype. IBS is diagnosed by symptom pattern. The Rome IV criteria require recurring abdominal pain at least one day a week on average over the last three months, linked to bowel movements or to changes in stool frequency or form, with symptoms starting at least six months earlier [3].
Diagnosis questions
- Which criteria do I meet, and which subtype am I (IBS-C, IBS-D or mixed)? (Subtype is based on stool type on days with abnormal bowel movements [3].)
- Which tests have ruled out other conditions? The ACG suggests celiac blood tests for people with IBS and diarrhea, and a stool calprotectin test plus a CRP blood test to check for inflammatory bowel disease when there are no alarm features [4].
- Do I need a colonoscopy? The ACG advises against routine colonoscopy in people with IBS symptoms under 45 without warning signs [4], but you may need one for other reasons, such as screening at 45 or older [8].
- What would make you reconsider the diagnosis?
Treatment questions
- Should I try a low-FODMAP diet, and can you refer me to a GI dietitian? The ACG recommends a limited trial and says the diet's complexity warrants a trained dietitian [4]. Monash University describes it as three steps: a 2–6 week low-FODMAP phase, structured reintroduction, then personalization [7].
- Would soluble fiber help me? The ACG suggests soluble, not insoluble, fiber for overall IBS symptoms [4].
- Which medicines target my subtype, and what are the side effects?
- Is gut-directed psychotherapy (such as CBT or gut-directed hypnotherapy) an option? The ACG suggests it for overall IBS symptoms [4].
- How will we know whether a treatment is working, and how long should I give it?
For more on how doctors confirm IBS, see our guide on how IBS is diagnosed.
What should you ask about tests and procedures?
Ask the same core questions for every test: why, how, what it feels like, how to prepare, and when you'll hear back [2].
| Test | Questions worth asking |
|---|---|
| Blood tests (blood count, CRP, celiac antibodies) | Do I need to fast? Should I keep eating gluten until the test? [6] When will results come? |
| Stool tests (calprotectin, infection tests, FIT) | How do I collect and return the sample? What does a high or borderline result mean for next steps? |
| Colonoscopy | Why do I need it: symptoms or screening? What prep will I use? Do I need someone to drive me home? Will you take biopsies? |
| Upper endoscopy | What are you looking for? Will you biopsy for celiac or other conditions? |
| Breath tests | Which diet should I follow beforehand? Which medicines should I pause? |
| Imaging (CT, ultrasound) | What question will this answer? Is there contrast? |
And after any test: "If this comes back normal, what's the next step?" Many people describe feeling stuck after a normal colonoscopy, unsure what was ruled out. Ask your doctor to spell out what a normal result does and doesn't exclude.
What should you ask at a follow-up?
Follow-ups are about whether the plan is working. Bring your log so you can compare before and after rather than guess.
- Here's how my symptoms changed since I started [treatment]. Is that the response you'd expect?
- What do my test results mean for me, in plain language?
- Should we continue, adjust the dose, or try something else?
- I've noticed [pattern], such as symptoms that are worse in the week before my period or after high-fat meals. Is that worth testing?
- When should I come back, and what would make you want to see me sooner?
- Is there a specialist or service I should also see, such as a dietitian, a pelvic floor therapist or a GI psychologist?
How to track your answers before the visit
Most of the questions your doctor will ask are about patterns over time, which is exactly what a symptom log captures. Two to four weeks is usually enough to show frequency, stool type, timing relative to meals and any night-time symptoms.
What to record: each bowel movement (time, Bristol type, blood or mucus, urgency), symptoms with a 0–10 rating and time, meals with times, medicines and supplements, and notes such as sleep, stress or your period.
Turning it into a one-page summary (illustrative example):
| Item | Last 3 weeks |
|---|---|
| Bowel movements | 2–4/day; mostly Bristol 6; 3 days of type 7 |
| Pain | 9 of 21 days; 1–2 h after meals; relieved after BM |
| Night symptoms | 0 |
| Blood/mucus | None / mucus twice |
| Possible pattern to discuss | Worse on days with onion-heavy dinners (5 of 6 days) |
| Tried | Psyllium 2 weeks (some improvement in consistency) |
If you use an app, inspect the actual record you plan to share and ask your practice which format it accepts. The Get Regular App tour and Doctor Report explanation describe the intended workflow; check current availability and the file itself before relying on it for a visit.
When to see a doctor sooner
Don't wait for a scheduled GI visit if you develop:
- Blood in your stool, or black, tarry stools
- Unintentional weight loss
- Fever, persistent vomiting, or severe or constant belly pain
- Symptoms that wake you at night
- Signs of anemia, such as unusual tiredness or breathlessness
- A new change in bowel habit later in life, or a family history of colorectal cancer, IBD or celiac disease
The ACG lists blood in the stool, black stool, unintentional weight loss, older age at onset and a relevant family history as alarm features that change how doctors investigate [4]. Call your doctor's office and describe what's new.
FAQ
What should I tell my gastroenterologist at the first appointment? Tell them when your symptoms started, how your bowel habits have changed, where and when any pain happens, what you've tried, every medicine and supplement you take, and your family history. Mention any blood, weight loss or night-time symptoms first. Those change the plan.
How many questions can I ask at a GI appointment? There's no rule, but time is limited, so lead with your top three, as AHRQ recommends [1]. If you run out of time, ask how to send the rest, for example through the patient portal.
Should I bring a food diary to a gastroenterologist? Yes, if it's simple to read. A one-page summary of the last 2–4 weeks is more useful than pages of raw entries. Bring the detail too in case they want it.
What questions should I ask after a normal colonoscopy? Ask what the colonoscopy ruled out, whether biopsies were taken and what they showed, what the most likely explanation is now, and what the next step is if symptoms continue.
Sources
- AHRQ. Be More Engaged in Your Healthcare: Tips for Patients. https://www.ahrq.gov/patients-consumers/patient-involvement/ask-your-doctor/questions-before-appointment.html
- AHRQ. The 10 Questions You Should Know. https://ahrq.gov/health-literacy/patient-education/ask-your-doctor/10questions.html
- Rome Foundation. Rome IV Criteria. https://theromefoundation.org/rome-iv/rome-iv-criteria/
- Lacy BE, et al. ACG Clinical Guideline: Management of Irritable Bowel Syndrome. Am J Gastroenterol 2021;116:17-44. https://journals.lww.com/ajg/Fulltext/2021/01000/ACG_Clinical_Guideline__Management_of_Irritable.11.aspx
- MedlinePlus. Abdominal pain. https://medlineplus.gov/ency/article/003120.htm
- NIDDK. Diagnosis of Celiac Disease. https://www.niddk.nih.gov/health-information/digestive-diseases/celiac-disease/diagnosis
- Monash University. The 3 steps of the FODMAP diet. https://www.monashfodmap.com/blog/3-phases-low-fodmap-diet/
- American Cancer Society. American Cancer Society Updates Colorectal Cancer Screening Guideline (27 May 2026). https://pressroom.cancer.org/colorectal-cancer-screening-guideline-update-2026
This article is for general education and isn't medical advice. Get Regular is a tracking app — it doesn't diagnose or treat any condition. If you have red-flag symptoms or ongoing changes in your digestion, talk to a doctor.