Fatigue
A subjective feeling of tiredness characterized by a lack of energy and motivation.
Also called: Fatigue, Tired, Tiredness.
Conditions associated with fatigue
The following conditions have been associated with fatigue in medical literature. This is informational and not a diagnosis.
3-hydroxy-3-methylglutaric aciduria
3-hydroxy-3-methylglutaric aciduria is a medical condition that may be associated with various symptoms and si...
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, a...
Adult-onset Still disease
Adult-onset Still disease is a medical condition that may be associated with various symptoms and signs....
African trypanosomiasis
African trypanosomiasis is a medical condition that may be associated with various symptoms and signs....
Aggressive systemic mastocytosis
Aggressive systemic mastocytosis is a medical condition that may be associated with various symptoms and signs...
Alveolar echinococcosis
Alveolar echinococcosis is a medical condition that may be associated with various symptoms and signs....
Amyotrophic lateral sclerosis
Amyotrophic lateral sclerosis is a medical condition that may be associated with various symptoms and signs....
Anemia
A condition in which the blood has a lower than normal number of red blood cells or hemoglobin, reducing oxyge...
Angiostrongyliasis
Angiostrongyliasis is a medical condition that may be associated with various symptoms and signs....
Anxiety Disorder
A group of mental health conditions characterized by excessive worry, fear, or nervousness that interferes wit...
Anxiety and Panic
Persistent anxiety and panic symptoms that affect daily function and well-being....
Arachnoiditis
Arachnoiditis is a medical condition that may be associated with various symptoms and signs....
Arrhythmia
An irregular or abnormal heart rhythm that can range from harmless to life-threatening....
Atherosclerosis
A disease in which plaque builds up inside arteries, narrowing them and reducing blood flow, raising the risk ...
Athyreosis
Athyreosis is a medical condition that may be associated with various symptoms and signs....
Atrial Fibrillation
An irregular and often rapid heart rhythm that increases the risk of stroke, heart failure, and other heart co...
Autoerythrocyte sensitization syndrome
Autoerythrocyte sensitization syndrome is a medical condition that may be associated with various symptoms and...
Autoimmune hemolytic anemia, warm type
Autoimmune hemolytic anemia, warm type is a medical condition that may be associated with various symptoms and...
Autoimmune pulmonary alveolar proteinosis
Autoimmune pulmonary alveolar proteinosis is a medical condition that may be associated with various symptoms ...
Autosomal dominant Charcot-Marie-Tooth disease type 2Z
Autosomal dominant Charcot-Marie-Tooth disease type 2Z is a medical condition that may be associated with vari...
Autosomal dominant optic atrophy, classic form
Autosomal dominant optic atrophy, classic form is a medical condition that may be associated with various symp...
Autosomal dominant progressive external ophthalmoplegia
Autosomal dominant progressive external ophthalmoplegia is a medical condition that may be associated with var...
Avian influenza
Avian influenza is a medical condition that may be associated with various symptoms and signs....
Babesiosis
Babesiosis is a medical condition that may be associated with various symptoms and signs....
Behçet disease
Behçet disease is a medical condition that may be associated with various symptoms and signs....
Benign recurrent intrahepatic cholestasis
Benign recurrent intrahepatic cholestasis is a medical condition that may be associated with various symptoms ...
Botulism
Botulism is a medical condition that may be associated with various symptoms and signs....
Bronchitis
Inflammation of the bronchial tubes, usually viral, causing a productive cough that can last several weeks....
Brucellosis
Brucellosis is a medical condition that may be associated with various symptoms and signs....
CAR T cell therapy-associated cytokine release syndrome
CAR T cell therapy-associated cytokine release syndrome is a medical condition that may be associated with var...
Tests providers may use to investigate fatigue
When investigating fatigue, a healthcare provider may order one or more of the following laboratory tests. Test selection is a clinical decision made by a qualified professional.
Albumin, Random Urine With Creatinine Ratio
Order Albumin, Random Urine with Creatinine Ratio.com online through our partner and visit a local lab near yo...
Alpha-Fetoprotein Afp Tumor Marker Test
This blood test determines Alpha-Fetoprotein (AFP or a-Fetoprotein) levels....
Apolipoprotein B Test, Apo-B
Order Apolipoprotein B Test, (Apo-B).com online through our partner and visit a local lab near you....
Autoimmune Disorder Panel
Order Autoimmune Disorder Panel.com online through our partner and visit a local lab near you....
Basic Heart Health Panel - Lab Tests At Healthlabs
This standard 5-test panel screens general health & cardiovascular health. It is especially helpful for indivi...
Basic Metabolic Panel (BMP)
Measures glucose, electrolytes, and kidney function markers....
Blood Type & Blood Disorders
Order the blood type testing or blood disorder lab tests you want. Fast, easy and affordable lab tests that do...
Bun/Creatinine Ratio Test
The BUN/Creatinine ratio blood test is used to diagnose acute or chronic renal (kidney) disease or damage. It ...
C-Reactive Protein Test, High Sensitivity
C-Reactive Protein (CRP) levels provide insight into heart health. This high sensitivity blood test is often o...
Symptoms commonly seen alongside fatigue
Bloating
A feeling of fullness, pressure, or swelling in the abdomen, often related to gas, digestion, or fluid retenti...
Dizziness
A feeling of lightheadedness, unsteadiness, or faintness, which can be caused by many conditions....
Excessive Sweating
Sweating more than is needed to regulate body temperature, which can accompany fever, anxiety, hypoglycemia, o...
Pale Skin
Unusually light or pale skin that can be a sign of anemia, reduced blood flow, or low blood pressure....
Sore Throat
Pain, scratchiness, or irritation of the throat that often worsens when swallowing, commonly caused by viral o...
Waking to Urinate at Night
The need to wake up during the night to urinate, which can disrupt sleep and may be linked to bladder, prostat...
When to seek care
Seek care from a qualified healthcare provider if fatigue is severe, persistent, worsening, or accompanied by concerning symptoms. If you think you have a medical emergency, call your local emergency number immediately.
Frequently Asked Questions
What does the symptom fatigue mean?
Fatigue is a health sign or symptom described in medical literature. A subjective feeling of tiredness characterized by a lack of energy and motivation.
Which conditions are associated with fatigue?
Fatigue has been reported in association with 200 conditions in the medical literature we index, including 3-hydroxy-3-methylglutaric aciduria, AL amyloidosis, Acquired methemoglobinemia, Acromegaly, Acute adrenal insufficiency. These associations do not mean you have any of these conditions.
Should I see a doctor about fatigue?
You should discuss any persistent or concerning symptoms with a qualified healthcare provider. This website does not provide diagnosis. If you have severe symptoms or signs of a medical emergency, seek care immediately.