Diarrhoea

On this page you can find conditions that could be the cause of these symptoms although it is not a complete list of possible conditions.

Please note that if you have these symptoms, they may be unrelated to any of these conditions listed. If you are concerned about your symptoms then you should see a doctor.

Information written and reviewed by Certified Doctors.

Conditions

Alcoholic liver disease

Alcohol-related liver disease (ARLD) refers to liver damage caused by alcohol misuse.


Symptoms of this condition may include:

  • Feeling sick or nausea
  • Loss of appetite
  • Diarrhoea
  • Unusually tired
  • Memory loss

More information on Alcoholic liver disease is available here.

If you are worried about this condition you can try our free AI Symptom Checker here.

Bowel Cancer

Bowel cancer is a general term for cancer that begins in the large bowel.


Symptoms of this condition may include:

  • Diarrhoea
  • Blood in stool or poo
  • Abdominal pain
  • Change in bowel habit
  • Bloody diarrhoea

More information on Bowel Cancer is available here.

If you are worried about this condition you can try our free AI Symptom Checker here.

Crohn's disease

Crohn’s disease is a long-term condition that causes inflammation of the lining of the digestive system.


Symptoms of this condition may include:

  • Diarrhoea
  • Abdominal pain
  • Unusually tired
  • Stomach cramps
  • Change in bowel habit

More information on Crohn's disease is available here.

If you are worried about this condition you can try our free AI Symptom Checker here.

Gastroenteritis

Gastroenteritis is a very common condition that causes diarrhoea and vomiting.


Symptoms of this condition may include:

  • Diarrhoea
  • Feeling sick or nausea
  • Vomiting
  • Stomach cramps
  • Abdominal pain

More information on Gastroenteritis is available here.

If you are worried about this condition you can try our free AI Symptom Checker here.

Gluten Intolerance

Coeliac disease is a common digestive condition where the small intestine becomes inflamed and unable to absorb nutrients.


Symptoms of this condition may include:

  • Diarrhoea
  • Bloated stomach
  • Unusually tired
  • Continuous, unexplained weight loss
  • Passing excessive wind

More information on Gluten Intolerance is available here.

If you are worried about this condition you can try our free AI Symptom Checker here.

Irritable bowel syndrome

Irritable bowel syndrome ( IBS) is a common, long-term condition of the digestive system.


Symptoms of this condition may include:

  • Bloated stomach
  • Abdominal pain after eating
  • Constipation
  • Diarrhoea
  • Passing excessive wind

More information on Irritable bowel syndrome is available here.

If you are worried about this condition you can try our free AI Symptom Checker here.

Lactose intolerance

Lactose intolerance is a common digestive problem where the body is unable to digest lactose, a type of sugar mainly found in milk and dairy products.


Symptoms of this condition may include:

  • Bloated stomach
  • Diarrhoea
  • Passing excessive wind
  • Abdominal pain after eating
  • Feeling sick or nausea

More information on Lactose intolerance is available here.

If you are worried about this condition you can try our free AI Symptom Checker here.

Malaria

Malaria is a serious tropical disease spread by mosquitoes.


Symptoms of this condition may include:

  • Shivering or rigors
  • Diarrhoea
  • Headache
  • Unusually tired
  • Aching muscles all over body

More information on Malaria is available here.

If you are worried about this condition you can try our free AI Symptom Checker here.

Overactive Thyroid

An overactive thyroid, also known as hyperthyroidism, is where the thyroid gland produces too much of the thyroid hormones.


Symptoms of this condition may include:

  • Continuous, unexplained weight loss
  • Diarrhoea
  • Feeling irritable
  • Sweating
  • Hyperactive behaviour

More information on Overactive Thyroid is available here.

If you are worried about this condition you can try our free AI Symptom Checker here.

Ulcerative colitis

Ulcerative colitis is a long-term (chronic) condition affecting the colon.


Symptoms of this condition may include:

  • Abdominal pain
  • Diarrhoea
  • Bloody diarrhoea
  • Unable to completely empty bowels
  • Mucus in stool or poo

More information on Ulcerative colitis is available here.

If you are worried about this condition you can try our free AI Symptom Checker here.