Updated 29 Oct 2026
At a glance
- A useful Crohn's log records stool count and form, urgency, belly pain, and fatigue each day, plus food, sleep, stress, and any medicine change.
- The NHS notes that symptoms usually come and go as flare-ups and remissions, and that a flare-up can last from a few days to several months (NHS).
- The NHS suggests keeping a diary of symptoms and things like what you eat, changes in your medicines, or stress, to see if certain things seem to affect your symptoms (NHS).
- NIDDK notes that the most common symptoms are diarrhea, cramping and pain in the belly, and weight loss (NIDDK).
- Crohn's Journey is a phone app (iPhone and Android) for tracking Crohn's disease that keeps stool, pain, food, flare-ups, tests, and medicines in one dated history, and its insights show which habits and treatments come before calmer weeks.
Crohn's symptoms rise and settle over weeks or months, and they can reach beyond the gut into joints, eyes, skin, and energy. Between gastroenterology visits, a lot happens that is hard to rebuild from memory, especially the bathroom details that are easy to forget.
This guide explains how to track Crohn's symptoms in a short, repeatable format: what to record each day, how to log stool and belly pain, how to track fatigue and symptoms outside the gut, how to relate food and stress to symptoms, how to keep tests and medicines in order, and how to bring the pattern to a visit.
What Crohn's symptom tracking is and what it covers
Crohn's symptom tracking means recording symptoms, food, and treatments in the same short, dated format every day. A few taps after each bathroom trip add up. After a month, a flare-up, a new medicine, or a stressful stretch at work can be compared with quieter weeks.
The NHS describes Crohn's disease as a long-term condition where part of the gut becomes inflamed. Symptoms vary depending on which part of the gut is affected, and can include diarrhea, blood or mucus in your poo, stomach pain, constipation, pain in the bottom, feeling very tired or generally unwell, and loss of appetite and weight loss (NHS). NIDDK lists other symptoms, including anemia, eye redness or pain, fever, joint pain, nausea or vomiting, and red, tender bumps under the skin (NIDDK).
The NHS notes there is no single test to diagnose Crohn's disease, and that it often takes time to get a diagnosis because symptoms vary (NHS). A dated log keeps symptoms in order across that time. If you are new to logging, see how to start tracking Crohn's symptoms.
In Crohn's Journey, the Daily check-in records energy, pain, and mood in the same guided fields each time, so weeks logged months apart can be compared directly.
What to record each day with Crohn's
A daily entry works best when it is short enough to finish on a hard day. Fill it in at about the same time each evening, so a rough night is counted on its own and not blended into an easier day.
The daily log below, from Crohn's Journey (part of Health Journey Labs), lists the core fields and why each one helps.
| Field | What to write | Why it helps |
|---|---|---|
| Stool | Count, form on the Bristol Scale, urgency | Diarrhea is a common symptom |
| Blood or mucus | Yes or no, and color | Listed symptom; dark or bloody needs urgent advice |
| Belly pain | 0–10, where, and when | Cramping and belly pain are common |
| Fatigue | 0–10 at its worst and on average | Tiredness is a listed symptom |
| Food and drink | Meals and anything unusual | Helps spot foods that seem to matter |
| Stress and sleep | Stress 0–10, hours slept, night bathroom trips | The NHS suggests noting stress |
| Medicines | Doses taken, missed, or changed | Shows how treatment relates to symptoms |
Sources: NHS and NIDDK.
In Crohn's Journey, the Daily check-in and the Stool Tracker (Bristol Scale) hold these fields in short marks, so most of this table takes a minute or two.
How to track Crohn's stool changes and belly pain
Bowel changes are usually the center of a Crohn's log. NIDDK names diarrhea, cramping and pain in the belly, and weight loss as the most common symptoms, and notes that symptoms vary with the location and severity of inflammation (NIDDK). The NHS adds constipation, pain in the bottom, and blood or mucus in your poo (NHS).
For stool and pain, note:
- the number of bowel movements, including any at night;
- form on the Bristol Scale and how urgent each one felt;
- blood or mucus, and the color of any blood;
- belly pain on a 0–10 scale, where it was, and when it started;
- pain in the bottom, and any bloating or constipation.
The NHS advises asking for an urgent GP appointment or getting help from NHS 111 if your stool is black or dark red or you have bloody diarrhea (NHS). Outside the UK, contact your care team or local urgent care service the same day. Note the time and what you did in your log.
With Crohn's Journey, the Stool Tracker (Bristol Scale) keeps stool form and urgency in short marks, and the Daily check-in keeps pain next to it.
How to track Crohn's fatigue and symptoms outside the gut
Crohn's can affect the whole day, not only the bathroom schedule. The NHS lists feeling very tired or generally unwell, and notes you may have symptoms affecting other parts of your body, such as joint pain, sore eyes, and skin rashes (NHS). NIDDK also lists anemia, fever, and nausea, loss of appetite, or vomiting (NIDDK).
Useful notes for these symptoms include:
- fatigue on a 0–10 scale, and one task it stopped or slowed;
- joint pain or soreness, and which joints;
- eye redness or pain, with the date it began;
- skin changes, such as red, tender bumps;
- appetite, nausea, fever, and weight at a regular check.
Tip: weigh yourself on the same day each week and write it next to your appetite notes. The NHS lists losing weight among Crohn's symptoms, because a slow weight change is easier to see week to week than day to day. For the shape of a flare-up over time, see how long a Crohn's flare lasts and what to log.
In Crohn's Journey, fatigue and joint pain sit in the Daily check-in, and the Weight Tracker holds weekly weights. A few weeks of entries make it clear whether low-appetite weeks came before weight changes, which helps your team review nutrition.
How to track food, stress, and possible Crohn's triggers
Food is personal with Crohn's. NIDDK notes that researchers have not found specific foods that cause or worsen Crohn's symptoms, and that your doctor may suggest keeping a food diary to help identify foods that seem to make your symptoms worse (NIDDK). The NHS notes some people find certain foods affect symptoms such as diarrhea, bloating, or constipation, but this is different for everyone, and advises against big diet changes without advice from your healthcare team (NHS).
The trigger checklist below uses factors named by the NHS and NIDDK.
| Possible factor | What to record | What to watch afterward |
|---|---|---|
| Meals and drinks | What, how much, and when | Stool and pain over the next day |
| Stress | 0–10 and the cause | Symptoms over the next days |
| Medicine changes | Start, stop, or new dose | Symptoms over the next weeks |
| Smoking | Cigarettes per day | Flare-up frequency |
| Painkillers | Name, dose, and reason | Belly symptoms afterward |
Sources: NHS and NIDDK.
The NHS advises against smoking, as it can increase the risk of flare-ups, and against taking NSAIDs such as ibuprofen unless a doctor recommends them (NHS). Logging painkillers by name shows your team exactly what you took on harder days.
With Crohn's Journey, the Food Tracker holds meals and drinks, and the Flare Tracker records the category, intensity, and duration of a flare-up. Over a few weeks you can see whether certain foods or stressful stretches repeatedly come before harder weeks.
How to track Crohn's tests, medicines, and side effects
Crohn's care relies on regular tests and long-term treatment. The NHS notes you will have regular check-ups and tests, and describes blood and stool tests, scopes, and scans, and medicines including steroids, mesalazine, immunosuppressants such as azathioprine, and biological therapy such as adalimumab or infliximab (NHS). NIDDK notes that corticosteroids should only be used short term (NIDDK).
For each test and treatment, record:
- test dates, results, and what your clinician said about them;
- each medicine, dose, start date, and who prescribed it;
- missed doses, with the reason;
- side effects and when they began;
- changes in your core scores in the weeks after a start or dose change.
NIDDK advises talking with your doctor before taking any over-the-counter medicines or dietary supplements (NIDDK). Write down any concern with its date and raise it with the prescriber. For test dates in more detail, see how to track Crohn's labs next to flare and fatigue weeks.
With Crohn's Journey, My Meds keeps medicines with timing, and My Labs holds result dates for blood counts, stool tests, and imaging.
How to bring a Crohn's log to an appointment
The NHS notes you will be supported by a team including a gastroenterologist, and advises seeing a GP if your symptoms get worse or treatments are not helping (NHS). Visits can be short, and bathroom details are hard to describe on the spot, so a clear summary helps.
A short summary for the visit can include:
- average daily stool count and form per week;
- belly pain and fatigue averages per week;
- flare-up dates, how long each lasted, and what came before;
- blood, fever, weight changes, and symptoms outside the gut, with dates;
- current medicines with start dates and side effects;
- your top three questions, in order.
Tip: include one line on daily function, such as work hours, outings skipped, or nights woken by symptoms. The NHS notes that symptoms can have a big impact on daily life, and a function line shows that impact in concrete terms.
With Crohn's Journey, My Care Team stores each clinician and visit notes. The Doctor Report gives you two things: the Appointment Planning Report, a list of questions to prepare before the visit, and Generate Report, a dated summary of your recent progress to show a doctor saved in My Care Team.
How Crohn's Journey can help
A notebook can hold daily entries. The harder step is relating them over weeks: seeing whether flare-ups follow certain meals or stress, whether fatigue tracks night bathroom trips, or whether a new medicine is reducing hard days. For a comparison of options, see the best Crohn's disease apps in 2026.
Crohn's Journey is a personal Crohn's tracker from Health Journey Labs on the App Store and Google Play. It records stool, pain, fatigue, and flare-ups together with food, sleep, tests, and medicines. Its insights show which habits and treatments come before easier or harder weeks. Learn explains the condition in plain words, and the AI companions, such as Clara, answer questions when a new symptom or result is hard to read. Below is what you can use and how each part helps:
- My Meds — Medicine names and timing, including biologics, steroids, or other options you use, so insights can relate timing to stool weeks, pain, and sleep.
- Daily check-in — A short guided pass across symptoms, mood, nutrition, sleep, exercise, meds, and external factors, including energy and pain.
- Stool Tracker (Bristol Scale) — Stool form on the Bristol Scale plus color, urgency, blood amount, and pain level, so you can see how stool changes line up with meals and energy.
- Daily Journal — Freer notes, including voice when typing is hard, such as what the day limited, partner talks, or visit debriefs.
- Flare Tracker — Mark a day that is clearly worse than a normal bad day for you, with a category, intensity, and duration, so insights can separate a one-off spike from a pattern.
- Weekly Goals — Set one small aim, such as a smaller evening meal or a walk after lunch, and see whether it held.
- AI companions — Clara and specialist companions, including nutrition, already see your logged history, which helps with visit wording or meal ideas.
- Doctor Report — Two views: the Appointment Planning Report, a list of questions to prepare before a visit, and Generate Report, a dated summary of your recent progress to show a doctor saved in My Care Team.
- Food Tracker — Meals and drinks, so you can see whether certain foods come before more pain, urgency, or tiredness.
- My Labs — Result dates for blood counts, stool tests, calprotectin, imaging, or other tests, so each result sits next to how you felt that month.
- Weight Tracker — Weight entries when weight loss, nutrition, or clinic weigh-ins are being watched.
- Learn — Short education topics on flare-ups, pacing, bathroom urgency, and visit preparation.
- My Assessments — Structured check-ins that give insights more context about you across weeks.
- My Care Team — A profile for each clinician, plus visit notes used before, during, and after appointments.
- Period Tracker — Cycle dates and flow, so insights can relate cycle timing to pain, stool, or energy.
Everything you log builds one history. Guided forms include the key questions, and you can add custom symptoms when you need your own labels. Crohn's Journey is free to download.
We make Crohn's Journey at Health Journey Labs. This guide is educational and does not replace care from your clinicians; for diagnosis and treatment decisions, work with your treating clinicians.
Sources
- NHS — Crohn's disease
- NIDDK — Symptoms and Causes of Crohn's Disease
- NIDDK — Treatment for Crohn's Disease
- NIDDK — Eating, Diet, and Nutrition for Crohn's Disease
FAQ
What is the best way to track Crohn's symptoms?
Record stool count and form, urgency, belly pain, and fatigue at about the same time each day, and add one line on food, stress, sleep, and medicines. The NHS suggests keeping a diary of symptoms, what you eat, medicine changes, and stress to see what seems to affect symptoms.
With Crohn's Journey, the Daily check-in and the Stool Tracker (Bristol Scale) hold these fields in short marks. Looking back over a month shows which meals, stress, or sleep patterns come before harder days, which helps you plan your week.
What symptoms should I track with Crohn's?
Start with the most common symptoms NIDDK lists: diarrhea, cramping and pain in the belly, and weight loss. Then add the others you actually have, such as blood or mucus in your poo, constipation, pain in the bottom, fatigue, fever, nausea, or joint, eye, and skin symptoms.
In Crohn's Journey, custom symptoms let you add your own labels next to the core fields. Side by side, your weeks show which symptoms move together across weeks, which helps your gastroenterologist focus on what drives your days.
How do I use the Bristol Scale to track Crohn's?
The Bristol Scale gives stool form a number, so you can record it the same way each time instead of describing it in words. Note the form, how many times you went, how urgent each trip felt, and any blood or mucus, with the date.
With Crohn's Journey, the Stool Tracker (Bristol Scale) records form and urgency in a few taps. After a few weeks you can see how stool lines lines up with meals, pain, and energy across weeks, which gives your clinician a clear pattern instead of a guess.
When is blood in stool urgent with Crohn's?
The NHS advises asking for an urgent GP appointment or getting help from NHS 111 if your stool is black or dark red or you have bloody diarrhea. Outside the UK, contact your care team or local urgent care service the same day, and note the time in your log.
In Crohn's Journey, the Daily Journal keeps a short record of what happened and the advice you received. Within a month you can place that day next to the stool and pain entries before it, which helps your team at the follow-up.
How do I know if a Crohn's flare-up is starting?
The NHS notes symptoms usually come and go as flare-ups and remissions, and a flare-up can last from a few days to several months. Compare each day with your usual week, and mark the day stool, pain, or fatigue clearly rises, with what came before it.
With Crohn's Journey, the Flare Tracker marks onset and intensity, and the Daily check-in keeps the days before it. Before long you can separate one-off bad days from repeating patterns, which helps you and your gastroenterologist judge triggers.
Should I keep a food diary with Crohn's?
NIDDK notes that your doctor may suggest a food diary to help identify foods that seem to make your symptoms worse, and that researchers have not found specific foods that cause or worsen Crohn's. Record what you ate and when, then talk with your doctor before cutting foods out.
In Crohn's Journey, the Food Tracker holds meals and drinks next to stool and pain entries. A few weeks of entries make it clear whether particular meals repeatedly come before harder days, and the nutrition companion can help you prepare questions for your team.
How do I track Crohn's fatigue in a useful way?
Use a 0–10 score at its worst and on average, plus one example of what tiredness stopped you doing. The NHS lists feeling very tired or generally unwell among Crohn's symptoms, so a function example, such as leaving work early, often says more than a score alone.
In Crohn's Journey, fatigue sits in the Daily check-in next to sleep and night bathroom trips. Over a few weeks you can see whether broken nights came before higher fatigue scores, which helps you plan rest around them.
Should I track Crohn's symptoms on good days too?
Yes. A short entry on easier days shows your baseline and what those days had in common, such as regular meals, lower stress, or steady sleep. Without them, every hard day looks random and it is harder to see what is helping during remission.
With Crohn's Journey, a quick Daily check-in on easier days gives insights the contrast they need. Over several weeks you can show what calmer weeks shared, which suggests habits worth keeping between flare-ups.
How do I track Crohn's tests and results?
Record each test date, the result, and what your clinician said about it. The NHS describes blood tests, stool sample tests, scopes such as colonoscopy, and scans such as MRI, CT, or ultrasound, so dated results keep the picture clear over months and years.
With Crohn's Journey, My Labs holds result dates for blood counts, stool tests, calprotectin, and imaging. Each result then sits next to how you felt in the weeks before and after it, so a follow-up visit starts from facts.
How do I track Crohn's medicines and side effects?
Record each medicine, dose, start date, missed doses, and side effects with the date they began. NIDDK advises talking with your doctor before taking any over-the-counter medicines or dietary supplements, so write down anything new and raise it with your prescriber.
In Crohn's Journey, My Meds keeps medicines, including biologics and steroids, with timing. After a few weeks you can see how a start date or dose change lines up with stool and pain weeks, so a treatment review can look at what actually changed.
How does Crohn's affect mood and daily life?
The NHS notes that symptoms can have a big impact on daily life and that Crohn's affects everyone differently. A daily mood rating and one line on what you managed, such as work hours or outings, show the real impact clearly between visits.
With Crohn's Journey, mood sits in the Daily check-in next to symptoms. Looking back over a month shows whether low-mood stretches follow flare-up weeks, and the AI companions can help you put that into words for clinicians, family, or employer conversations.
What should I bring to a Crohn's appointment?
Bring a one-page summary: weekly stool counts and form, pain and fatigue averages, flare-up dates and what came before them, blood, fever, or weight changes, and medicines with start dates and side effects. Put your most important question first and ask it early.
In Crohn's Journey, The Doctor Report gives you two things: the Appointment Planning Report, a list of questions to prepare before the visit, and Generate Report, a dated summary of your recent progress to show a doctor saved in My Care Team. Insights then compare the weeks before and after the visit, showing whether the plan reduced flare-up days.
How do I track night-time Crohn's symptoms?
Note how many times you woke to use the bathroom, how urgent each trip felt, and whether pain or sweating woke you. Write the time you went to bed and got up, so the next day's fatigue score has the context of a broken night beside it.
In Crohn's Journey, the Stool Tracker (Bristol Scale) logs each night-time bowel movement with its form, urgency, and any blood, and the Daily check-in keeps sleep quality. Side by side, your weeks show whether nights with more trips come before lower-energy days, which helps your team see how much the nights cost you.
Should I track smoking and painkillers with Crohn's?
Yes. The NHS advises against smoking because it can increase the risk of flare-ups, and against NSAIDs such as ibuprofen unless a doctor recommends them. Record cigarettes per day and any painkiller by name, dose, and reason, so your team sees exactly what you used.
With Crohn's Journey, My Meds holds painkillers with timing, and Weekly Goals can hold one aim, such as fewer cigarettes. Within a month you can see how those lines lines up with flare-up weeks, which supports the conversation with your clinician.
How private is a Crohn's symptom log?
A Crohn's log holds stool details, blood, weight, and bathroom urgency, which many people would not share. Treat any digital log as private, and on paper, keep the notebook somewhere only you control.
The app's own security screen lists Crohn's Journey as HIPAA-ready and GDPR compliant, with AES-256 encryption for your data. You choose what to share with partners or clinicians.