Fatigue, Muscle pain: 44 Possible Causes
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What causes fatigue and muscle pain? 44 possible conditions

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 extreme tiredness that can't be explained by an underlying medical condition.

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2

Cold and Flu Overview

Common colds and influenza are contagious infections that affect the respiratory system. Both are airborne illnesses, spread through coughing and sneezing. Shared symptoms include headache, cough, sore throat, and more.

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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.

Hypoglycemia, or low blood sugar, is a potentially dangerous condition that's most common in people with diabetes. Learn what causes it and how to prevent it.

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6

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.

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7

Malaria

Malaria is a life-threatening disease. It's typically transmitted through the bite of an infected Anopheles mosquito.

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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

Hyperparathyroidism is a condition where the parathyroid glands produce too much parathyroid hormone (PTH).

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10

AIDS

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

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11

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.

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12

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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13

Dengue Fever

Dengue fever is a disease that affects much of the tropical region and is caused by one of four dengue viruses. A skin rash between two and five days after the initial fever is a common symptom.

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14

Temporal Arteritis

Temporal arteritis occurs when the temporal arteries, which supply blood to the head and brain, become inflamed or damaged.

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15

Polymyalgia Rheumatica

Polymyalgia rheumatica is an inflammatory disorder that causes muscle pain and stiffness. Learn about its symptoms, diagnosis, and treatment.

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16

Rhabdomyolysis

Rhabdomyolysis is a breakdown of muscle fibers that occurs due to muscle injury. Learn more about this condition.

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17

Lyme Disease

Lyme disease is an infectious condition transmitted via tick bite. A "bull's eye" rash at the site of the bite is an early symptom of this disease.

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18

Colorado Tick Fever

Colorado tick fever is a viral infection transmitted through a bite from an infected tick. Learn about Colorado tick fever symptoms, diagnosis, and treatment.

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19

Hypothyroidism

The thyroid gland produces a hormone that controls how your cells use energy (metabolize). Hypothyroidism occurs when the body doesn't produce enough. Untreated, it can cause complications like obesity and heart disease.

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20

Sarcoidosis

Learn about sarcoidosis and its causes, symptoms, diagnosis, treatment, and potential complications.

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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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