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What causes dehydration and sunken fontanelle? 2 possible conditions

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


Diabetes Insipidus

Diabetes insipidus (DI) is a rare condition that occurs when your kidneys are not able to conserve water. It results in extreme thirst for water and frequent urination. There are several types of DI, and they can ofte...

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Toxic Megacolon

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

Toxic megacolon is a rare, life-threatening widening of the large intestine and is usually a complication of inflammatory bowel disease (IBD).

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