Diarrhea, Nasal congestion, Nausea: 5 Possible Causes
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, nasal congestion and nausea? 5 possible conditions

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


Food Allergy Basics

Food allergies are overblown responses by the immune system to foods that aren't typically harmful - like eggs and peanuts. Continue reading and learn more about food allergies, and how to prevent or treat sever...

Read more »


Swine Flu

Swine flu, or H1N1, is highly contagious and can spread quickly from person to person. A simple sneeze may cause thousands of germs to spread through the air. Symptoms are similar to regular influenza.

Read more »


Allergies Overview

This condition is considered a medical emergency. Urgent care may be required.

An allergy is the immune system's response to a foreign substance (allergen) that is not typically harmful to a person's body. This attack response may involve inflammation, sneezing, and a host of other symptoms.

Read more »


Fifth Disease

Fifth disease is common in children. It causes a red rash on the arms, legs, and cheeks, and a virus called parvovirus B19 causes it.

Read more »



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.