Anpheros Search · Symptom

Diarrhoea or changes in bowel habits

Also known as: Change in bowel habit

General information only. Anpheros does not diagnose and does not recommend treatment. Talk to a doctor or pharmacist about your situation. In an emergency, call 112 (or your local emergency number).

In short

A doctor should be consulted right away if an adult or child experiences a change in mental state, such as irritability or lack of energy, frequent vomiting, or severe pain in the abdomen or rectum. A doctor should also be contacted right away for stools that are black and tarry or contain red blood or pus, or for symptoms of dehydration. For adults, a doctor should be contacted right away for diarrhea lasting more than two days, a high fever, or six or more loose stools per day. For infants and children, a doctor should be contacted right away for diarrhea lasting more than a day, any fever in infants, high fever in older children, an infant refusing to eat or drink for longer than a few hours, or frequent loose stools.

Source: National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK).

AI-generated summary of the sources cited on this page, checked automatically against them. Not reviewed by a clinician; not medical advice.

Codes

ICD-10
R19
ICD-11
ME05 Change in bowel habit

When to get help

In an emergency, call 112 (or your local emergency number).

When should I seek a doctor’s help?

  • change in mental state, such as irritability or lack of energy
  • frequent vomiting
  • severe pain in the abdomen or rectum
  • stools that are black and tarry or contain red blood or pus
  • symptoms of dehydration
  • diarrhea lasting more than 2 days
  • high fever
  • six or more loose stools per day
  • diarrhea lasting more than a day
  • any fever in infants or high fever in older children
  • refusing to eat or drink anything for longer than a few hours in infants
  • frequent loose stools

Talk with a doctor right away if you or an adult or child in your care has symptoms such as

Quoted word for word from the cited source and checked against it; not reviewed by a clinician. Not a diagnosis.

National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), NIH — Symptoms & Causes of Diarrhea

Next to it in ICD-10

Neighbouring codes in the classification, not a medical link.

What people report

Not enough data yet. Anonymous counts appear here only for groups of at least 20 people who agreed to share them.

How these counts are made →

External resources

Questions

What is the ICD-10 code for Diarrhoea or changes in bowel habits?

R19 (WHO, International Classification of Diseases, 10th Revision).

What is the ICD-11 code for Diarrhoea or changes in bowel habits?

ME05: Change in bowel habit (WHO, ICD-11 for Mortality and Morbidity Statistics).

Sources and attribution

  • ICD-10 codes and titles © World Health Organization. Source: WHO, International Classification of Diseases, 10th Revision (2019).
  • ICD-11 for Mortality and Morbidity Statistics, © World Health Organization, licensed under CC BY-ND 3.0 IGO.
  • Names other than the official source titles: Anpheros translations and plain-language names, made with AI assistance and checked automatically; the source names are in English.
  • Source: National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK).

Anpheros Search catalog 2026.10.5, published 17 October 2026. About the data →