What Is Lethargy?
Lethargy is a lack of energy, sluggishness, apathy or indifference, or laziness.
What Are Symptoms of Lethargy?
Lethargy is a symptom of other medical conditions. Characteristics of lethargy may include:
- Lack of energy
- Apathy or indifference
What Causes Lethargy?
- Sleep disorders
- Hormone imbalances
- Underactive thyroid gland (hypothyroidism)
- Mental health conditions
- Cancer treatments
- Chronic fatigue syndrome (also known as myalgic encephalomyelitis, or ME)
- Celiac disease, an autoimmune condition in which the immune system reacts to gluten
- Anemia (iron deficiency)
- Certain medications
- Muscle disease
- Pain and injury
- Over-exertion/too much exercise
This is not a complete list of all the conditions that can cause lethargy. Discuss your symptoms with your doctor.
What Is the Treatment for Lethargy?
Treatment for lethargy depends on the underlying cause.
It may include medication, lifestyle changes, or changing medications. Do not stop taking any medication without first talking to your doctor.
In some cases, such as lethargy that follows surgery or injury, the lethargy may go away on its own once the body heals.
How Do You Prevent Lethargy?
Some causes of lethargy may be preventable. If lethargy is due to: