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252 possible causes of "Fatigue"
  • Sleepwalking
  • Fatigue
  • Tired
  • Excessive yawning
1. Fatigue
Fatigue is a term used to to describe the general overall feeling of tiredness and/or a lack of energy. Other words that are sometimes used in place of fatigue include exhaustion, weariness, and lethargy. According t...
  • Fever
  • Headache
  • Migratory joint pain
  • Unable to concentrate
  • Fatigue
  • Decreased libido
2. 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 your symptoms to worsen. When your fatigue cannot b...
  • Heart murmurs
  • Chest pain
  • Tingling
  • Blanching of skin
  • Fatigue
  • Shortness of breath
3. Anemia
Anemia occurs when the number of healthy red blood cells (RBCs) in the body is too low. Red cells carry oxygen to all the body's tissues, so a low red blood cell count indicates that the amount of oxygen in the blood i...
  • Excessive sweating
  • Tender lymph node
  • Shortness of breath
  • Moist skin
  • Fatigue
  • High-pitched breath sounds
4. 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...
  • Aversion to food or drink
  • Watering eyes
  • Body ache
  • General weakness
  • Fatigue
  • Muscle pain
5. 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!
  • Sleep disturbance
  • Back pain
  • Chest pain
  • Hand pain
  • Fatigue
  • Knee pain
6. What is Fibromyalgia?
Fibromyalgia is a chronic disorder characterized by unexplained pain in muscles and joints throughout the body. Read our doctor-reviewed articles and learn about fibromyalgia now.
  • Liver enlarged
  • Heart murmurs
  • Swelling of scrotum
  • High blood pressure
  • Fatigue
  • Low blood pressure
7. Congestive Heart Failure (CHF)
Congestive heart failure (CHF) is a chronic condition that affects the chambers of your heart. You have four heart chambers: two atria in the upper half of the heart and two ventricles in the lower half. Th...
  • Swollen feet
  • Difficulty breathing when lying down
  • Cough
  • Night time urination
  • Fatigue
  • Swollen ankle
8. Heart Failure
Heart failure is characterized by the heart's inability to pump an adequate supply of blood. Without sufficient blood flow, all major body functions are disrupted. Heart failure is a collection of symptoms and problem...
  • Fatigue
  • Chest pain
  • Pain
  • Chest pain under breastbone
  • Fever
  • Feels hot to touch
9. 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...
  • Headache
  • Abnormal urine odor
  • Coma
  • No urine output
  • Fatigue
  • Chapped lips
10. Dehydration
Dehydration occurs when your body loses more fluid than you drink. When the body loses too much water, organs, cells, and tissues fail to function. Dehydration can also cause shock. Severe dehydration must be treate...
This condition is considered a medical emergency. Urgent care may be required.

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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