What is Fatigue?

Fatigue is a symptom that people may experience for many reasons. It can be related to infections, chronic conditions, injuries, medication effects, or other health changes. The presence of this symptom alone does not diagnose any condition.

If you have Fatigue that is severe, persistent, or accompanied by other warning signs, contact a qualified healthcare provider.

Possible conditions associated with Fatigue

The following conditions have been associated with Fatigue. Only a health professional can determine the underlying cause.

3-hydroxy-3-methylglutaric aciduria

3-hydroxy-3-methylglutaric aciduria is a medical condition that may be associated with various symptoms and signs.

AL amyloidosis

AL amyloidosis is a medical condition that may be associated with various symptoms and signs.

Acquired methemoglobinemia

Acquired methemoglobinemia is a medical condition that may be associated with various symptoms and signs.

Acromegaly

Acromegaly is a medical condition that may be associated with various symptoms and signs.

Acute adrenal insufficiency

Acute adrenal insufficiency is a medical condition that may be associated with various symptoms and signs.

Acute interstitial pneumonia

Acute interstitial pneumonia is a medical condition that may be associated with various symptoms and signs.

Acute promyelocytic leukemia

Acute promyelocytic leukemia is a medical condition that may be associated with various symptoms and signs.

Acute radiation syndrome

Acute radiation syndrome is a medical condition that may be associated with various symptoms and signs.

Acute transverse myelitis

Acute transverse myelitis is a medical condition that may be associated with various symptoms and signs.

Addison disease

Addison disease is a medical condition that may be associated with various symptoms and signs.

Adiposis dolorosa

Adiposis dolorosa is a medical condition that may be associated with various symptoms and signs.

Adrenal Insufficiency

A condition in which the adrenal glands do not produce enough cortisol, causing fatigue, low blood pressure, and weaknes...

Related symptoms

When to seek medical care

Seek urgent care if Fatigue is severe, sudden, or occurs with chest pain, difficulty breathing, confusion, severe weakness, or other serious symptoms.