Possible causes of Fatigue

19 conditions can cause this symptom. Most common are listed first.

• Alcohol (ethanol) overuse Common Urgent
• Anemia (low red blood cell count) Common Pediatric
• Chronic fatigue syndrome (CFS) Common
• Depression (excessive sadness) Common Urgent
• Hypothyroidism (low thyroid hormone) Common
• Insomnia (difficulty sleeping) Common
• Obstructive sleep apnea (sleep apnea) Common
• Thalassemia (Mediterranean anemia) Common Pediatric
• Anorexia (eating disorder) Pediatric
• Autoimmune disease Pediatric
• Cancer (tumor) Pediatric
• Chronic pain
• Drug overuse Urgent
• Hodgkin's disease
• Lymphoma (lymph node cancer) Pediatric
• Malnutrition Pediatric
• Panhypopituitarism (hypopituitarism)
• Polymyalgia rheumatica (PMR)
• Renal failure, chronic (kidney failure)