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Fatigue
Headache
Irritability
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15 possible causes of 'Fatigue, Headache, Irritability'
of 2
1. 
Also known as hypoglycemia, low blood sugar can be a dangerous...
This condition is considered a medical emergency.
Urgent care may be required
Symptoms:
  •  
    Difficulty sleeping
  •  
    Grand mal seizure
  •  
    Fatigue
  •  
    Headache
  •  
    Irritability
2. 
Most people experience stress and anxiety from time to time. Stress can be triggered by an event...
Symptoms:
  •  
    Teeth grinding
  •  
    Headache
  •  
    Fatigue
  •  
    Irritability
  •  
    Sleepwalking
3. 
Chronic fatigue syndrome (CFS) is a debilitating disorder...
Symptoms:
  •  
    Confusion
  •  
    Joint pain
  •  
    Fatigue
  •  
    Headache
  •  
    Irritability
4. 
A sinus infection, or sinusitis, is a common condition that affects 31 million people in the United...
Symptoms:
  •  
    Loss of sense of smell
  •  
    Bad breath
  •  
    Fatigue
  •  
    Headache
  •  
    Irritability
5. 
A tension headache is the most common type of headache. This type of headache can cause mild or...
Symptoms:
  •  
    Chronic pain
  •  
    Noise intolerance
  •  
    Fatigue
  •  
    Headache
  •  
    Irritability
6. 
Explore our doctor-reviewed articles for information on migraine, headaches and mixed tension...
Symptoms:
  •  
    Loss of appetite
  •  
    Finger numbness
  •  
    Fatigue
  •  
    Headache
  •  
    Irritability
7. 
Whiplash occurs when a person's neck is whipped backward and then forward very suddenly. This injury...
Symptoms:
  •  
    Dizziness
  •  
    Shoulder pain
  •  
    Fatigue
  •  
    Headache
  •  
    Irritability
8. 
People who suffer from generalized anxiety disorder, or GAD, worry uncontrollably about common...
Symptoms:
  •  
    Teeth grinding
  •  
    Anxiety attack
  •  
    Fatigue
  •  
    Headache
  •  
    Irritability
9. 
Anemia occurs when a person has lower-than-normal levels of red blood cells (RBCs) in the blood....
Symptoms:
  •  
    Strawberry tongue
  •  
    Headache
  •  
    Fatigue
  •  
    Irritability
  •  
    Frontal headache
10. 
Premenstrual syndrome (PMS) is a condition that affects a woman's emotions, physical health, and...
Symptoms:
  •  
    Hostility
  •  
    Vomiting
  •  
    Fatigue
  •  
    Headache
  •  
    Irritability
clear list
of 2
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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What Is Chronic Fatigue
What Is Chronic Fatigue
What Is Chronic Fatigue. Discover and Explore on Ask.com!
Ask.com/What Is Chronic Fatigue
Sleepy during the day?
Sleepy during the day?
Excessive sleepiness (ES) due to narcolepsy could be the cause.
MoreAwake.com
Thyroid & Your Fatigue
Thyroid & Your Fatigue
Is You Thyroid Causing Your Fatigue Problems? Doctor Explains the Signs
MedixSelect.com
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What Is Chronic Fatigue
What Is Chronic Fatigue
What Is Chronic Fatigue. Discover and Explore on Ask.com!
Ask.com/What Is Chronic Fatigue
Sleepy during the day?
Sleepy during the day?
Excessive sleepiness (ES) due to narcolepsy could be the cause.
MoreAwake.com
Thyroid & Your Fatigue
Thyroid & Your Fatigue
Is You Thyroid Causing Your Fatigue Problems? Doctor Explains the Signs
MedixSelect.com