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Fatigue    
Headache    

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74 possible causes of "Fatigue, Headache"
Symptoms:
  • Abdominal pain
  • Increased urination
  • Nausea
  • Fatigue
  • Headache
  • Muscle pain
31. Diabetic Ketoacidosis
Diabetic ketoacidosis (DKA) is a serious complication that stems from diabetes. If you don't have enough insulin to help your body process sugars (glucose), your body will start burning fat to fuel itself. As a result...
This condition is considered a medical emergency. Urgent care may be required.
Symptoms:
  • Pain
  • Numbness of lower limbs
  • Numbness of limbs
  • Fatigue
  • Headache
  • Shortness of breath on exertion
32. Megaloblastic Anemia
Megaloblastic anemia is a blood disorder marked by the appearance of very large red blood cells. Anemia is a blood disorder that results in the loss of red blood cells. Red blood cells transport oxygen through the body...
Symptoms:
  • Dementia
  • Oversensitive hearing
  • Lethargy
  • Fatigue
  • Headache
  • Low grade fever
33. 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...
Symptoms:
  • Anemia
  • Hard to awaken
  • Headache
  • Fatigue
  • Delirium
  • Body ache
34. Glomerulonephritis
The glomeruli are structures in your kidneys made up of tiny blood vessels. These knots of vessels help filter blood and remove excess fluid. If your glomeruli are damaged, your kidneys will stop longer work properly...
Symptoms:
  • Grey skin
  • Chest pain
  • Drowsiness
  • Fatigue
  • Headache
  • Moist skin
35. 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.
Symptoms:
  • Loss of appetite
  • Body ache
  • Pain
  • Fatigue
  • Headache
  • Dark urine
36. 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...
Symptoms:
  • Nausea
  • Coma
  • Rapid breathing
  • Fatigue
  • Headache
  • Low blood pressure
37. Addisonian Crisis (Acute Adrenal Crisis)
When we're stressed out, our adrenal glands produce a hormone called cortisol. Cortisol helps our bodies respond effectively to stress. It also plays a role in bone health, immune response, and the metabolism of food...
This condition is considered a medical emergency. Urgent care may be required.
Symptoms:
  • Excessive sweating
  • Dark urine
  • Hyperventilation
  • Fatigue
  • Headache
  • Loss of appetite
38. Heat Emergencies
Heat emergencies are health crises caused by exposure to hot weather and sun. Heat emergencies have three stages: heat cramps, heat exhaustion, and heatstroke. All three stages are serious. If left untreated, the firs...
This condition is considered a medical emergency. Urgent care may be required.
Symptoms:
  • Pain
  • Shortness of breath on exertion
  • Tired
  • Fatigue
  • Headache
  • General weakness
39. What You Need to Know About Paroxysmal Nocturnal Hemoglobinuria
Paroxysmal nocturnal hemoglobinuria (PNH) is a rare disorder that causes red blood cells to break down sooner than they should. The results of this premature destruction can lead to symptoms and complications that rang...
Symptoms:
  • Malaise
  • Eye pain
  • Joint pain
  • Fatigue
  • Headache
  • Nausea
40. West Nile Virus Infection (West Nile Fever)
A mosquito bite can turn into something much more severe if you are infected with West Nile virus. Mosquitoes transmit this virus after they bite an infected bird and then bite a person. While not all people wit...

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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