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Fatigue    
Headache    

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74 possible causes of "Fatigue, Headache"
Symptoms:
  • Depressed mood
  • Sleeplessness
  • Depression
  • Fatigue
  • Headache
  • Volatile mood
41. Post Concussion Syndrome
Post-concussion syndrome, or post-concussive syndrome (PCS), refers to the lingering symptoms following a concussion or a mild traumatic brain injury (TBI).
Symptoms:
  • Airway obstruction
  • Skin pain
  • Loss of appetite
  • Fatigue
  • Headache
  • Hives
42. Chemical Burns
Chemical burns occur when the skin or eyes come into contact with irritants, such as acids or bases (alkaline). Chemicals that come into contact with skin may cause a reaction on the skin or within the body. Chemica...
This condition is considered a medical emergency. Urgent care may be required.
Symptoms:
  • Headache
  • Stops breathing
  • Stopped breathing
  • Fatigue
  • Barrel chest
  • Pursed-lip breathing
43. 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...
Symptoms:
  • Pain
  • Blurred vision
  • Blue fingernails
  • Fatigue
  • Headache
  • Itching, severe
44. Polycythemia Vera
Polycythemia vera (PV) is a bone marrow disorder in which the body produces an excessive amount of red blood cells. Red blood cells are responsible for carrying oxygen to all parts of the body. Blood is carrie...
Symptoms:
  • Nausea
  • Headache
  • Epigastric pain
  • Fatigue
  • Pain
  • Upper abdominal pain
45. HELLP Syndrome
HELLP syndrome is an extremely dangerous condition that can develop in pregnant women. It includes: h emolysis EL : elevated liver enzymes LP : a low platelet count Hemolysis refers to a breakdown of red blood cells...
This condition is considered a medical emergency. Urgent care may be required.
Symptoms:
  • Dizziness
  • Ataxia
  • Headache
  • Fatigue
  • Drowsiness
  • Numbness
46. Hypovolemic Shock
Hypovolemic shock is a life-threatening condition that results when you lose more than 20 percent (one-fifth) of your body's blood or fluid supply. This severe fluid loss makes it impossible for the heart to pum...
This condition is considered a medical emergency. Urgent care may be required.
Symptoms:
  • Headache
  • General weakness
  • Muscle pain
  • Fatigue
  • Sore throat
  • Tired
47. Toxoplasmosis
Toxoplasmosis is an infection that is caused by a parasite. This parasite, called Toxoplasma gondii, can be found in cat feces and in undercooked meat, especially venison, lamb, and pork. Toxoplasmosis can be deadly fo...
Symptoms:
  • Respiratory crackles
  • Fatigue
  • Coughing up blood
  • Headache
  • Pain
  • Loss of appetite
48. Parrot Fever (Psittacosis)
Parrot fever, also called parrot disease and psittacosis, is very rare. According to the Centers for Disease Control and Prevention, there have been fewer than 50 confirmed cases per year in the United States sinc...
Symptoms:
  • Loss of appetite
  • Withdrawn behavior
  • Abnormal heart rhythms
  • Fatigue
  • Headache
  • Heart rate altered
49. Acute Mountain Sickness
Hikers, skiers and adventurers who travel to high altitudes can sometimes develop acute mountain sickness, also referred to as altitude sickness or high altitude pulmonary edema. It typically occurs at about 8,000 fee...
Symptoms:
  • Ataxia
  • Pain
  • Coughing up blood
  • Fatigue
  • Headache
  • Shortness of breath
50. Legionnaires' Disease
Legionnaires' disease is a serious type of lung infection, or pneumonia. It is caused by bacteria called Legionella. The bacteria and the disease were named following an outbreak of the infection at a Philadelphi...

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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