Fatigue |
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Nutritional
disorders such as obesity, malnutrition,
and vitamin or mineral deficiency |
 |
Endocrine
disorders such as diabetes, hypoglycemia,
and thyroid disorder |
 |
Gastrointestinal
disorders such as Gastroesophageal
Reflux Disease (GERD) and peptic
ulcers |
 |
Infectious
diseases such as tuberculosis, urinary
tract infections, mononucleosis,
hepatitis, HIV/AIDS, and other chronic
diseases |
 |
Connective
tissue disorders such as arthritis,
lupus, and fibromyalgia |
 |
Other conditions
such as cancer, anemia, pregnancy,
and menopause |
 |
Change in
physical activity pattern such as
excessive exercise, lack of exercise,
or excessive manual labor |
Emotional
or neurological causes
 |
Neurological
disorders such as multiple sclerosis
and Lou Gehrig disease |
 |
Psychological
issues such as depression, stress,
anxiety, and grief |
 |
Side effects
of certain medications such as beta-blockers,
ACE inhibitors, calcium channel
blockers, heart medications, psychological
medications, muscle relaxants, and
diuretics |
 |
Pain killers,
especially opiate-based drugs |
 |
Narcotics
or stimulants such as nicotine,
recreational drugs, and alcohol
|
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Other causes
such as jetlag and work pressure
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