What causes diarrhea, fever and vomiting? 30 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. Serious reactions can be life threatening and require medical treatment.

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2

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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3

Appendicitis

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

Appendicitis is inflammation of the appendix, which can be fatal if left untreated. The telltale sign is pain that usually starts as mild cramping, especially on the right side, and becomes more severe over time.

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4

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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5

Salmonella Food Poisoning (Salmonella Enterocolitis)

Salmonella food poisoning is an infection in the small intestine by Salmonella, which is found in animal feces. It's marked by abdominal pain, chills, diarrhea, fever, muscle pain, and vomiting.

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6

Giardiasis

Giardiasis is a parasitic infection of the small intestine. It may cause fatigue, stomach pain, bloating, and excessive gas.

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7

Diverticulitis

Diverticulitis occurs when the bulging sacs that usually appear in the lining of the large intestine get infected or inflamed. This usually causes abdominal tenderness on the lower left side, nausea, and diarrhea.

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8

Caffeine Overdose

You're at risk for caffeine overdose when you ingest more than 200 to 300 mg of caffeine (about three 8-oz cups of coffee) in a day. Dizziness, diarrhea, headache, and severe thirst may occur.

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9

Amebiasis

Amebiasis is a parasitic infection, common in tropical countries and caused by contaminated water. Symptoms can be severe and usually start one to four weeks after exposure.

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10

Swine Flu

Swine flu, also known as H1N1, is a highly contagious virus with symptoms similar to common influenza types. It spreads quickly from person to person, and can linger on tables and surface areas.

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11

Shigellosis

The number one symptom of shigellosis, a bacterial infection, is diarrhea. Its symptoms vary in intensity, so you can have this infection and not know it.

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12

Fifth Disease

Fifth disease is caused by a virus and mostly affects children. The disease is marked by feeling unwell, often followed by a red rash on the cheeks.

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13

E. coli Infection

E. coli is a type of bacteria normally found in intestines. But certain kinds of E. coli can cause infection and severe symptoms like diarrhea and dehydration.

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14

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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15

Ischemic Colitis

Ischemic colitis (IC) is inflammation of the large intestine (colon). IC occurs when not enough blood flows to the colon. Abdominal pain is a common symptom. Others are diarrhea, vomiting, and belly tenderness.

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16

Marine Animal Bites or Stings

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

Stingrays have venomous spines on their tails that can cause a painful wound, nausea, and weakness, and sometimes death. Swimming or snorkeling in shallow waters puts you at risk for coming in contact.

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17

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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18

Anthrax

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

Anthrax is a serious illness caused by a microbe that lives in soil, called Bacillus anthracis. Inhalation may result in cold and flu symptoms; signs of ingestion include nausea and abdominal pain.

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19

Whooping Cough (Pertussis)

Whooping cough is a serious respiratory infection caused by a type of bacteria called Bordetella pertussis. The infection causes violent, uncontrollable coughing that can make it difficult to breathe. Whooping cough ca...

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20

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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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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