What causes fever and tired? 69 possible conditions

Viewing 1 - 20 of 69 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!

Read more »

2

Cold and Flu Overview

Overview Colds (common colds) and the flu (influenza) are contagious infections that affect the respiratory system. Both are airborne illnesses, spread through coughing and sneezing. Colds typically are confined to th...

Read more »

3

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.

Read more »

4

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.

Read more »

5

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.

Read more »

6

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.

Read more »

7

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 ...

Read more »

8

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...

Read more »

9

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...

Read more »

10

Leukemia

Leukemia is a cancer of the blood cells. Excessive sweating at night, constant fatigue, weight loss, bone pain, and easy bleeding or bruising are all signs of this disease.

Read more »

11

Cellulitis

Cellulitis is a common bacterial skin infection. Cellulitis may first appear as a red, swollen area that feels hot and tender to the touch. The redness and swelling often spread rapidly. Cellulitis is usually painful.I...

Read more »

12

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...

Read more »

13

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...

Read more »

14

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...

Read more »

15

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...

Read more »

16

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.

Read more »

17

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...

Read more »

18

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...

Read more »

19

Hepatitis A

Hepatitis is an inflammation of the liver caused by exposure to toxins, immune diseases, or infection. Viruses cause most cases of hepatitis. Hepatitis A is inflammation of the liver caused by the hepatitis A virus...

Read more »

20

Hepatitis B

Hepatitis B is liver inflammation caused by the hepatitis B virus (HBV). HBV is one of five types of hepatitis virus. The others are hepatitis A, C, D, and E. The Centers for Disease Control and Prevention (CDC) stat...

Read more »

This feature is for informational purposes only and should not be used to diagnose.
Please consult a healthcare professional if you have health concerns.
  • Page 1 of 4
Advertisement
Are you experiencing other symptoms?

I'm experiencing:

Choose from list of symptoms:

Advertisement