Diarrhea, Fever, Headache: 20 Possible Causes
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What causes diarrhea, fever and headache? 20 possible conditions

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

1

Food Poisoning

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

Food poisoning occurs when you consume foods contaminated with bacteria, viruses, or parasites. Symptoms are usually uncomfortable but not severe.

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2

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.

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3

Giardiasis

Giardiasis is an infection in your small intestine caused by microscopic parasites called giardia.

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4

Caffeine Overdose

The recommended amount of caffeine is usually 400 mg per day for healthy adults. Caffeine overdose may occur if you ingest more than this amount.

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5

The Atypical Facts About Atypical Pneumonia

Pneumonia is an infection that causes inflammation of the lungs. Atypical pneumonia is a kind that isn't caused by the bacteria that causes typical pneumonia.

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6

Shigellosis

Shigellosis is a bacterial infection that affects the digestive system. The Shigella bacterium is spread through contact with contaminated feces.

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7

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.

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8

Legionnaires' Disease

Legionnaires' disease is a severe type of pneumonia, or lung infection. Learn about its symptoms, causes, treatment, and prevention.

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9

Toxic Shock Syndrome

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

Toxic shock syndrome is a rare, serious condition caused by a bacterial infection. Rash is one of several common signs for this symptom.

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10

Weils Disease

Weil's disease is a severe form of the bacterial infection leptospirosis, which can lead to organ failure and bleeding. Symptoms include nausea, fever, headache, and jaundice.

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11

West Nile Virus Infection (West Nile Fever)

A mosquito bite can turn into something much more severe if you are infected with West Nile virus. Mosquitoes transmit this virus after they bite an infected bird and then bite a person. While not all people wit...

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12

Bird Flu

Bird flu, also called avian influenza, is a viral infection that can also infect humans and other animals.

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13

Ebola Virus and Disease

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

Ebola disease is a rare, often fatal illness. One of its late-stage symptoms is a bleeding rash over the entire body.

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14

Anthrax

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

Anthrax is a serious illness caused by a microbe called Bacillus anthracis that lives in soil. Read about the symptoms of anthrax.

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15

Absence of Gamma Globulin in Blood

Agammaglobulinemia is an inherited immune system disorder in which the body is unable to produce antibodies.

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16

SARS (Severe Acute Respiratory Syndrome)

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

Severe acute respiratory syndrome (SARS) is a particularly serious form of viral pneumonia. In addition to fever, dry cough, breathing problems, and several other symptoms, one symptom of SARS is a rash.

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17

AIDS

There are many symptoms of the autoimmune disease HIV/AIDS, including persistent skin rashes, night sweats, and mouth sores.

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18

Polio

Poliomyelitis, or polio, is a highly contagious disease that is caused by a virus that attacks the body's nervous system. It is most likely to be contracted by children under five years old.

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19

All About Autonomic Dysrelexia (or Hyperreflexia)

Autonomic dysreflexia (AD) is a condition in which your involuntary nervous system overreacts to stimuli. It's also known as autonomic hyperreflexia.

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20

Q Fever

Q fever is an infection caused by the bacteria Coxiella burnetii. The bacteria are most commonly found in cattle, sheep, and goats.

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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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