Understanding Remission in IBD: From Symptoms to Healing

What Healing Really Looks Like

What Healing Really Looks Like

What Healing Really Looks Like

You're on treatment, your symptoms have eased, and you're starting to feel like yourself again. That matters, and it should be celebrated.

But here's the question most Inflammatory Bowel Disease (IBD) patients never think to ask: is the inflammation inside my gut actually healing, or just going quiet?

Remission is not a single destination. It's a long-term journey. From symptom relief on the surface to genuine tissue healing underneath. If you're living with ulcerative colitis (UC) or Crohn's disease (CD), understanding where you sit on that journey is one of the most powerful things you can do for  your future.

Why Feeling Better Isn’t The Full Picture

Why Feeling Better Isn’t The Full Picture

Why Feeling Better Isn’t The Full Picture

Clinical remission is the stage most patients recognise: day-to-day symptoms such as pain, bleeding, or frequent bowel movements have reduced to a manageable level or have disappeared.
A great first milestone.¹

But a significant proportion of patients whose symptoms improve still have active inflammation visible during endoscopy. This "silent inflammation" can drive flare-ups, disease progression, and long-term complications.¹

That's why the latest research defines treatment targets that go beyond how you feel, aiming for healing goals you can objectively measure, not just relief you can sense.

The Stages of Remission

The latest international STRIDE-II guidelines set out the gold standards of care for people living with ulcerative colitis (UC) or Crohn's disease (CD). Each stage represents a deeper level of healing. Not everyone will reach every stage — but understanding these targets puts you in a stronger position to advocate for the care that gives you the most freedom.²

An older patient and a younger doctor sit facing each other in a softly lit interior space. Their postures suggest an engaged and trusting conversation. The image accompanies copy about symptomatic remission as the first recognised milestone.

An older patient and a younger doctor sit facing each other in a softly lit interior space. Their postures suggest an engaged and trusting conversation. The image accompanies copy about symptomatic remission as the first recognised milestone.

01: Symptomatic Remission

Your day-to-day symptoms have meaningfully improved.

For UC, this means a significant reduction in rectal bleeding and stool frequency.

For CD, a reduction in abdominal pain and diarrhoea. This is the immediate goal of any treatment and the stage most patients recognise as "remission."

How it's measured:

Patient-reported symptoms.

For UC: no rectal bleeding, fewer than 3 bowel movements per day.²

For CD: no abdominal pain, normalised stool frequency. Assessed at every clinic visit.²

An Asian woman in an orange top sits in a clinical consultation setting, looking toward a healthcare professional visible in the background. The image represents a patient actively participating in a shared healthcare discussion.

An Asian woman in an orange top sits in a clinical consultation setting, looking toward a healthcare professional visible in the background. The image represents a patient actively participating in a shared healthcare discussion.

02: Biomarker Normalisation

Your body's inflammation markers have returned to acceptable levels.

This is a sign that the underlying immune response is calming down, even beyond what you can feel.

Biomarkers are an important "early warning system" — they can flag rising inflammation before symptoms return.

How it's measured:

Blood test:
C-reactive protein (CRP) normalisation.²

Stool test:
Faecal calprotectin falling to acceptable levels. Non-invasive and can be monitored regularly between endoscopies.²

Two women share a moment looking at a phone screen together. One wears a pink hijab. Both express visible happiness or engagement. The casual upbeat scene accompanies content about endoscopic remission — the point where a gastroenterologist can confirm tissue-level healing.

Two women share a moment looking at a phone screen together. One wears a pink hijab. Both express visible happiness or engagement. The casual upbeat scene accompanies content about endoscopic remission — the point where a gastroenterologist can confirm tissue-level healing.

03: Endoscopic Remission

The lining of your gut shows no visible ulcers, erosions, or active inflammation when examined during an endoscopy.

The point where your gastroenterologist can confirm that healing is occurring at the tissue level. Endoscopic healing is associated with fewer relapses, reduced need for steroids, and better long-term outcomes.

How it's measured:

Colonoscopy or sigmoidoscopy.

Evidence-based, objective measure.²³

For CD, remission looks for a Simple Endoscopic Score (SES-CD) showing absence of ulceration. While UC patients will look for a Mayo Endoscopic Subscore of 0–1.²³

An adult lifts a young child in a moment of shared laughter. The background features bold warm tones — reds and oranges — amplifying energy and celebration. Placed alongside content about histological healing, the deepest measurable level of UC remission, evoking the freedom of achieving deep disease control.

An adult lifts a young child in a moment of shared laughter. The background features bold warm tones — reds and oranges — amplifying energy and celebration. Placed alongside content about histological healing, the deepest measurable level of UC remission, evoking the freedom of achieving deep disease control.

04: Ulcerative Colitis: Histological Healing

For people with ulcerative colitis, this is the deepest level of remission currently measurable.

Histological healing means that tissue samples (biopsies) taken during endoscopy show no microscopic evidence of inflammation, even when the gut surface appears normal to the naked eye. Achieving histological remission is associated with a lower risk of relapse and may reduce long-term complications, including colorectal cancer risk.

How it's measured:

Microscopic examination of  mucosal biopsies.

Pathologists assess for residual inflammatory infiltrate, crypt architecture distortion, and other microscopic markers of ongoing disease activity. Emerging as the gold standard of deep remission  in UC.²

An adult carries or holds a young child in a close affectionate pose. The warm natural setting suggests outdoor or ambient natural lighting. Accompanies content about transmural healing in Crohn's disease — the deepest bowel-wall healing stage — evoking stability, care, and an active daily life.

An adult carries or holds a young child in a close affectionate pose. The warm natural setting suggests outdoor or ambient natural lighting. Accompanies content about transmural healing in Crohn's disease — the deepest bowel-wall healing stage — evoking stability, care, and an active daily life.

04: Crohn’s Disease: Transmural Healing

For people with Crohn's disease, this stage goes even deeper.

Transmural healing means that the inflammation has resolved not just on the surface of the gut lining, but through the full thickness of the bowel wall. Because CD can affect all layers of the intestinal wall, this is considered a measure of deeper  disease control.

How it's measured:

Cross-sectional imaging.

MRI enterography or intestinal ultrasound, assessing bowel wall thickness and deeper inflammation beyond what endoscopy can see.⁴⁵

Tracking what you can’t feel

Tracking what you can’t feel

Tracking what you can’t feel

If silent inflammation is the risk, and endoscopic remission or beyond is the goal, monitoring is the answer.

Below are the tools your doctor and healthcare teams can use to help you track your progress.

01: Stool Test

A woman wearing a white hijab and professional white lab coat stands in a clinical or laboratory environment, looking attentively at a digital tablet. The setting and attire suggest a healthcare professional context. Illustrates a non-invasive and technologically-aided approach to monitoring gut health.

A woman wearing a white hijab and professional white lab coat stands in a clinical or laboratory environment, looking attentively at a digital tablet. The setting and attire suggest a healthcare professional context. Illustrates a non-invasive and technologically-aided approach to monitoring gut health.

Faecal Calprotectin

Measures a protein released by white blood cells in the gut. Elevated levels indicate intestinal inflammation. Non-invasive, done at home, useful for tracking trends between endoscopies.²

02: Blood Test

A laboratory worker in blue nitrile gloves and protective safety goggles holds glass test tubes with coloured liquid samples. The clinical lab setting reinforces the precision of blood-based biomarker testing — contextualising the C-reactive protein (CRP) measurement used to monitor IBD activity.

A laboratory worker in blue nitrile gloves and protective safety goggles holds glass test tubes with coloured liquid samples. The clinical lab setting reinforces the precision of blood-based biomarker testing — contextualising the C-reactive protein (CRP) measurement used to monitor IBD activity.

C-Reactive Protein (CRP)

Measures general inflammation. Not gut-specific, but rising CRP in IBD can signal increasing disease activity. Used alongside calprotectin for a fuller picture.²

03: Endoscopy

A patient in a hospital gown is seated on an examination bed. Two healthcare providers are present — one appears to hold a clipboard or document. The calm collaborative scene conveys reassurance and clinical professionalism, contextualising the endoscopy section.

A patient in a hospital gown is seated on an examination bed. Two healthcare providers are present — one appears to hold a clipboard or document. The calm collaborative scene conveys reassurance and clinical professionalism, contextualising the endoscopy section.

Colonoscopy & Sigmoidoscopy

The most direct assessment of your gut lining. Inspects for ulcers, redness, and erosions. Scoring systems — Mayo (UC) and SES-CD (CD) — standardise what healing looks like.³⁶

04: Imaging

A doctor in a white coat sits alongside a patient, both reviewing what appears to be a medical scan on a screen or tablet. Reflects collaborative review of imaging results and contextualises MRI and ultrasound as patient-accessible monitoring tools.

A doctor in a white coat sits alongside a patient, both reviewing what appears to be a medical scan on a screen or tablet. Reflects collaborative review of imaging results and contextualises MRI and ultrasound as patient-accessible monitoring tools.

MRI & Intestinal Ultrasound

Non-invasive imaging assessing bowel wall thickness and deeper inflammation. Particularly relevant for Crohn's disease and  transmural healing.²

Partner with your physician to pursue long-term remission today

Partner with your physician to pursue long-term remission today

Partner with your physician to pursue long-term remission today

Read our patient conversation guide, designed to help you ask your doctor the right questions with confidence.

Have more questions about ulcerative colitis or Crohn’s disease?

Find more answers at the resources below

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