Looking to lead a stronger, healthier life?
Sign up for our Wellness Wire newsletter for all sorts of nutrition, fitness, and wellness wisdom.

Now we’re in this together.
Thanks for subscribing and having us along on your health and wellness journey.

See all Healthline's newsletters »
Advertisement
Let's see if we can figure out what's causing your symptoms.
Select additional symptoms and we'll narrow your results.

What causes fatigue, fever and unintentional weight loss? 30 possible conditions

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

1

Lung Cancer Overview

There are two main types of lung cancer: non-small cell and small-cell. Learn about how these lung cancers are caused, your treatment options, and more.

Read more »

2

Liver Cancer

Learn about liver cancer symptoms, types, diagnosis, treatment, and prevention.

Read more »

3

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 »

4

Tuberculosis

Tuberculosis (TB) is a highly infectious disease that primarily affects the lungs. Read more on whom it affects and how to treat it.

Read more »

5

Acute HIV Infection

Acute HIV infection occurs soon after someone is infected with HIV. Learn about its symptoms, diagnosis, treatment, and prevention.

Read more »

6

Hepatitis

Hepatitis refers to an inflammatory condition of the liver. It's commonly caused by a viral infection, but there are other possible causes of hepatitis.

Read more »

7

Non-Hodgkin’s Lymphoma

Non-Hodgkin's lymphoma (NHL) is a cancer of the lymphatic system that occurs when tumors develop from the lymphocytes, which are a type of white blood cell.

Read more »

8

Hookworm Infections

Hookworms are parasites that affect the small intestine and lungs. Read more about the symptoms of this infection and treatment options.

Read more »

9

AIDS

If left untreated, HIV can lead to AIDS. AIDS weakens your immune system to the point where it can no longer fight off disease and infection. Learn more.

Read more »

10

Amebiasis

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

Read more »

11

Systemic Lupus Erythematosus

Systemic lupus erythematosus, the most common form of lupus, is a chronic autoimmune disease that can cause severe fatigue and joint pain. Learn more about it.

Read more »

12

Leukemia

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

Read more »

13

Small Cell Lung Cancer

Small cell lung cancer is a very aggressive form of lung cancer. Learn about small cell lung cancer symptoms, risk factors, diagnosis, and treatment.

Read more »

14

Hodgkin's Disease

Learn more about a type of blood cancer called Hodgkin's disease (HD), including its symptoms, causes, diagnosis, and treatments.

Read more »

15

Glomerulonephritis

Glomerulonephritis is a serious illness that can stop your kidneys from functioning properly. Learn how this condition is diagnosed and treated.

Read more »

16

Pulmonary Fibrosis

Pulmonary fibrosis is a condition that causes lung scarring, and stiffness. Learn about the causes, symptoms, and treatment options.

Read more »

17

Endocarditis

Endocarditis, also known as infective endocarditis, is a condition in which your heart's inner lining is inflamed. Learn about causes and symptoms.

Read more »

18

Infective Endocarditis

Infective endocarditis is an infection in the heart valves or endocardium. It can lead to stroke and heart failure. Read about the symptoms and treatments.

Read more »

19

Chlamydia Infection

Chlamydia is a sexually transmitted disease that should be treated quickly in order to avoid complications. It is caused by bacteria that are usually spread through sexual contact. People with chlamydia often don't hav...

Read more »

20

Brucellosis

Brucellosis is a disease caused by bacteria from the genus Brucella. Learn more about how this condition is spread, symptoms, and treatment.

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.
Advertisement
Advertisement
Advertisement