Lethargy
Lethargy is a state of tiredness, weariness, fatigue, or lack of energy. It can be accompanied by depression, decreased motivation, or apathy. Lethargy can be a normal response to inadequate sleep, overexertion, overworking, stress, lack of exercise, or boredom. It can also be a symptom of a variety of physical and mental illnesses or a side effect of some medications.
Causes[edit | edit source]
Lethargy can be caused by a variety of conditions including:
- Chronic fatigue syndrome: A complex disorder characterized by extreme fatigue that can't be explained by any underlying medical condition.
- Anemia: A condition in which you lack enough healthy red blood cells to carry adequate oxygen to your body's tissues.
- Underactive thyroid (hypothyroidism): A condition in which your thyroid gland doesn't produce enough of certain crucial hormones.
- Sleep apnea: A serious sleep disorder in which breathing repeatedly stops and starts.
- Heart disease: A range of conditions that affect your heart.
- Diabetes: A group of diseases that result in too much sugar in the blood.
- Depression: A mood disorder that causes a persistent feeling of sadness and loss of interest.
Treatment[edit | edit source]
Treatment for lethargy involves treating the underlying cause. This may involve medication, changes in diet or exercise habits, therapy for mental health conditions, or management of chronic conditions.
See also[edit | edit source]
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Contributors: Prab R. Tumpati, MD
