What causes fatigue and muscle pain? 44 possible conditions

Viewing 1 - 20 of 44 results

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

1

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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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...

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3

What is Fibromyalgia?

Fibromyalgia is a chronic disorder characterized by widespread, unexplained pain in tender points in muscles and joints, including the head, neck, and sides of hips.

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4

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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5

Low Blood Sugar (Hypoglycemia)

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

Also known as hypoglycemia, low blood sugar can be a dangerous condition. Hypoglycemia is rare in people who are not suffering from diabetes, the chronic disease that affects the body's ability to regulate blood sugar...

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6

Systemic Lupus Erythematosus

Systemic lupus erythematosus (SLE) is an autoimmune disease and the most common type of lupus. One of its common symptoms is a rash on the cheeks and nose called a "butterfly rash."

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7

Malaria

Malaria is a life-threatening disease. It is typically transmitted through the bite of a mosquito infected with Anopheles. Nausea, chills, fever, and diarrhea are common symptoms.

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8

Rheumatoid Arthritis Overview

Rheumatoid arthritis (RA) is an autoimmune disease, a disease in which the immune system mistakes the body's own cells for invaders. In RA, the immune system attacks the synovia, the membranes lining the joints.

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9

Hyperparathyroidism

In hyperparathyroidism, the parathyroid glands make too much of their hormone. It affects a number of body systems and can cause skin changes, including brittle nails and itching.

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10

AIDS

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

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11

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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12

Ebola Virus and Disease

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

Ebola disease-also called Ebola hemorrhagic fever or Ebola fever-is a rare and often fatal illness that humans and nonhuman primates (such as monkeys and gorillas) can contract. There have been several outbreaks o...

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13

Dengue Fever

Dengue fever is a disease spread by the Aedes aegypti mosquito and caused by one of four dengue viruses that are closely related. The viruses that cause dengue fever are related to those that cause yellow fever and Wes...

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14

Temporal Arteritis

Temporal arteritis is a condition in which the temporal arteries, which supply blood to the head and brain, become inflamed or damaged. It is also known as cranial arteritis or giant cell arteritis. Although thi...

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15

Polymyalgia Rheumatica

Polymyalgia rheumatica is an inflammatory disorder that causes pain and stiffness in various parts of the body. Parts of the body commonly affected include the shoulders, neck, arms, thighs, and hips. This disorder i...

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16

Rhabdomyolysis

Rhabdomyolysis is breakdown of muscle fibers. Muscle breakdown causes the release of myoglobin into the bloodstream. Myoglobin can cause kidney damage. Symptoms include dark urine, muscle weakness, and fatigue. Abou...

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17

Lyme Disease

Lyme disease is an infectious disease. It is caused by the bacteria Borrelia burgdorferi sensu lato. B. burgdorferi is transmitted to humans via a tick bite from an infected black-legged or deer tick. The tick become...

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18

Colorado Tick Fever

Colorado tick fever is a viral infection spread by a bite from an infected Dermacentor andersoni wood tick. This species of tick is more commonly referred to as the Rocky Mountain Wood tick.All ticks are parasites tha...

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19

Hypothyroidism

The thyroid gland is an important endocrine gland that controls the body's metabolism. It is a small butterfly-shaped gland located in the front of the neck just below the Adam's apple. The thyroid gland produces th...

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20

Sarcoidosis

Sarcoidosis is an inflammatory disease where granulomas (clumps of immune cells, usually macrophages) form in various organs. This causes organ inflammation. Doctors believe that sarcoidosis may be caused by an abnorma...

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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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