Dehydration: Risks, Treatments, & Prevention
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What causes dehydration? 19 possible conditions

Dehydration takes place when your body loses more fluid than you drink. The most common cause of water loss from the body is excessive sweating. Read more

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

1

Fever

Fever is also known as hyperthermia, pyrexia, or elevated temperature. It describes a body temperature that's higher than normal. Fever can affect children and adults. A short-term increase in body temperature can hel...

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2

Diarrhea

Diarrhea is characterized by loose, watery stools or a frequent need to have a bowel movement. It usually lasts a few days and often disappears without any treatment.

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3

Vomiting

Vomiting is a forceful discharge of stomach contents. Vomiting can be a one-time event linked to something that doesn't settle right in the stomach. Recurrent vomiting may be attributed to numerous underlying medica...

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4

Viral Gastroenteritis

Viral gastroenteritis, also known as the stomach flu, is caused by a number of different viruses. Its symptoms usually last for two to three days.

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5

The Many Sides of Bacterial Gastroenteritis

Bacterial infections are common causes of gastrointestinal infections. This type of infection is also called "food poisoning" and is often caused by poor hygiene or ingesting foods contaminated with bacteria.

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6

Staphylococcus Aureus Food Poisoning

According to the Centers for Disease Control and Prevention (CDC), Staphylococcus aureus is a common bacterium found in the nose and on the skin of about 25 percent of healthy people and animals. It is a common cause o...

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7

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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8

Amebiasis

Amebiasis is a parasitic infection of the intestines commonly contracted in tropical regions.

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9

Alcoholism

Alcoholism is also known as alcohol dependence. It occurs when you drink so much over time that your body becomes dependent on or addicted to alcohol. When this happens, alcohol use becomes the most important thing i...

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10

Burns

Burns are characterized by severe skin damage that causes the affected cells to die. Most people can recover from burns without serious health consequences.

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11

Addisonian Crisis (Acute Adrenal Crisis)

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

An Addisonian crisis occurs when levels of cortisol suddenly drop. Learn more about an Addisonian crisis, including symptoms, risk factors, and treatment.

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12

Anorexia Nervosa

Anorexia nervosa is an eating disorder that can result in severe weight loss. Learn more about warning signs and treatment.

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13

Alcoholic Ketoacidosis

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

Cells need glucose (sugar) and insulin to function properly. Glucose comes from the food you eat, and the pancreas produces insulin. When you drink alcohol, your pancreas may stop producing insulin for a short time...

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14

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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15

Intussusception

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

Intussusception occurs when a portion of the intestine folds inside another part. This causes a blockage. Find out about causes and treatment.

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16

Cystic Fibrosis

Cystic fibrosis causes severe damage to the respiratory and digestive systems. Learn about its symptoms, causes, diagnosis, and treatment.

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17

Colitis

Colitis is inflammation of the colon. Read about the different types and associated symptoms.

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18

Hereditary Angioedema

There are three different types of hereditary angioedema (HAE). Learn how HAE is inherited and what symptoms to watch for.

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19

Medullary Cystic Disease

Medullary cystic kidney disease (MCKD) is a rare condition in which small, fluid-filled sacs called cysts form in the center of the kidneys. These cysts scar the kidneys and cause them to malfunction. In order t...

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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.
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