What causes fatigue and fever? 77 possible conditions

Viewing 1 - 20 of 77 results

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

1

Common Cold Overview

The common cold is a virus that involves symptoms like sneezing, a runny nose and a headache. Learn the causes, symptoms and treatments for the common cold now!

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2

Flu Overview

Influenza, commonly known as the flu, is a contagious respiratory disease caused by the influenza virus. The virus attacks cells in the upper respiratory tract

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3

Sinus Infections (Sinusitis)

A sinus infection causes the sinuses and nasal passages to become inflamed. Facial swelling is a common sign of this type of infection.

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4

Pneumonia

Pneumonia is an infection of the lungs. General symptoms include chest pain, fever, cough, nausea, and difficulty breathing. Blue skin, high fever, and bloody mucus are serious signs.

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5

CFS (Chronic Fatigue Syndrome)

Chronic fatigue syndrome (CFS) is a debilitating disorder characterized by intense fatigue that cannot be cured with sleep. Mental and physical activities may cause symptoms to worsen. When fatigue cannot be linked to ...

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6

Infectious Mononucleosis

Infectious mononucleosis, or "mono," is a group of symptoms caused by the Epstein-Barr virus. One potential symptom is a pink rash that looks like the measles.

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7

Chronic Bronchitis

Your bronchial tubes are responsible for delivering air to your lungs. When these tubes become inflamed, mucus can build up. The coughing and shortness of breath this causes is known as bronchitis. People often develo...

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8

Pyelonephritis

Pyelonephritis is a sudden and severe kidney infection. This condition causes the kidneys to swell, can permanently damage the kidneys, and can even be life threatening. It is important to recognize the symptoms so yo...

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9

Urinary Tract Infection

UTIs are usually caused by bacteria and can occur in any part of the urinary tract. Symptoms of upper UTIs include pain in the upper back, chills, fever, and nausea.

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10

Cellulitis

Cellulitis is a common, often painful skin infection that first appears as a red, swollen area that feels hot and tender to the touch. If left untreated, it can become life-threatening.

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11

Food Poisoning

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

Every year, millions of people eat food contaminated with bacteria, viruses, or parasites. The result can be food poisoning, an uncomfortable experience characterized by nausea, vomiting, and diarrhea. One in si...

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12

Systemic Lupus Erythematosus

The immune system normally fights off dangerous infections and bacteria to keep the body healthy. An autoimmune disease occurs when the immune system attacks its own body because it confuses it for something foreign...

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13

Acute HIV Infection

Acute HIV infection is also known as primary HIV infection or acute retroviral syndrome. This condition occurs within the first two to four weeks after someone is infected with the human immunodeficiency virus. It i...

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14

Crohn’s Disease

Crohn's disease is a chronic bowel disease that causes severe inflammation of the digestive tract. It is associated with abdominal pain, diarrhea, and may affect your quality of life. Crohn's disease is characterized b...

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15

Pelvic Inflammatory Disease (PID)

Pelvic inflammatory disease (PID) is an infection of the reproductive organs in women. The pelvis is located in the lower abdomen and includes the fallopian tubes, the ovaries, the cervix, and the uterus. According t...

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16

Fifth Disease

Fifth disease is caused by a virus that often results in a red rash on the arms, legs, and cheeks. For this reason, it is also known as "slapped cheek disease." It is fairly common and mild in most children, but it ca...

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17

Tuberculosis

Tuberculosis (TB) is a potentially fatal contagious disease that can affect almost any part of the body but is mainly an infection of the lungs.

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18

Leukemia

Leukemia is a cancer of the blood cells. There are several types of blood cells, including red blood cells (RBCs), white blood cells (WBCs), and platelets. Generally, leukemia refers to cancers of the WBCs. Two types o...

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19

Hepatitis

Hepatitis is swelling and inflammation of the liver. Hepatitis is most commonly caused by a viral infection. There are, however, other causes of hepatitis. These include autoimmune hepatitis (a disease occurring whe...

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20

Liver Cancer

Liver cancer causes destruction of liver cells and interferes with the ability of the liver to function normally. There are several types, but it is classified in general as being primary or secondary. Primary live...

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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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