Sign up for our newsletter
Get health tips, wellness advice, and more

Thanks for signing up!
You've been added to our list and will hear from us soon.

See all Healthline's newsletters »
Advertisement
Let's see if we can figure out what's causing your symptoms.
Select additional symptoms and we'll narrow your results.

What causes diarrhea, mouth ulcers and pain? 4 possible conditions

See a list of possible causes in order from the most common to the least.

1

Celiac Disease (Gluten Intolerance)

Celiac disease is a digestive disorder caused by an abnormal immune reaction to gluten. Learn about celiac disease systems, diagnosis, and treatment.

Read more »

2

AIDS

If left untreated, HIV can lead to AIDS. AIDS weakens your immune system to the point where it can no longer fight off disease and infection. Learn more.

Read more »

3

Neutropenia

Neutropenia is a condition characterized by low levels of neutrophils, which are white blood cells that fight infection. Find out about symptoms and treatment.

Read more »

4

Leishmaniasis

Leishmaniasis is a parasitic disease caused by the Leishmania parasite found in sand flies.

Read more »

This feature is for informational purposes only and should not be used to diagnose.
Please consult a healthcare professional if you have health concerns.
Advertisement
Advertisement
Advertisement