Stephen J. Schueler, M.D.

Overview

Lethargy and Weakness or Fatigue 122 Causes

The freeMD virtual doctor has found 122 conditions that can cause Lethargy and Weakness or Fatigue.

Mouse over to view each condition's most common symptoms

There are 13 common conditions that can cause Lethargy and Weakness or Fatigue.
  1. Arm Cellulitis
  2. Bacterial Pneumonia
  3. Cellulitis
  4. Dehydration
  5. Falls
  6. Foot Cellulitis
  7. Gastroenteritis
  8. Hand Cellulitis
  9. Leg Cellulitis
  10. Pneumonia
  11. Urinary Tract Infection
  12. Urinary Tract Infections in Children
  13. Viral Gastroenteritis
There are 16 somewhat common conditions that can cause Lethargy and Weakness or Fatigue.
  1. Drug Side Effect
  2. Drug Toxicity
  3. Facial Cellulitis
  4. Giardia Infection
  5. Haemophilus Pneumonia
  6. Head Injury
  7. Hepatitis B
  8. Hepatitis
  9. Hyperglycemia
  10. Hypoglycemia
  11. Insulin Reaction
  12. Kidney Disease
  13. Rotavirus
  14. Staph Infections
  15. Stroke
  16. TIA
There are 25 uncommon conditions that can cause Lethargy and Weakness or Fatigue.
  1. Bacterial Meningitis
  2. Black Widow Spider Bite
  3. Cirrhosis
  4. Cytomegalovirus Intestinal Infection
  5. Diabetic Ketoacidosis
  6. Electrolyte Imbalance
  7. Hashimoto's Thyroiditis
  8. Hepatitis C
  9. Hypernatremia
  10. Hyponatremia
  11. Hypothyroidism
  12. Jaundice in Children
  13. Klebsiella Pneumonia
  14. Lead Poisoning
  15. Meningitis
  16. Narcotic Overdose
  17. Osteomyelitis
  18. Salmonella Infection
  19. Smoke Inhalation
  20. Stab Wounds
  21. Staphylococcus Pneumonia
  22. Streptococcus Pneumonia
  23. Thyroiditis
  24. Tonic Clonic Seizure
  25. Viral Meningitis
There are 68 rare conditions that can cause Lethargy and Weakness or Fatigue.
  1. Acute Tubular Necrosis
  2. Addison's Disease
  3. Adrenoleukodystrophy
  4. Aortic Rupture
  5. Aspirin Overdose
  6. Boutonneuse Fever
  7. Bubonic Plague
  8. Cholera
  9. Coccidioidomycosis
  10. Colorado Tick Fever
  11. Congo Hemorrhagic Fever
  12. Cryptococcal Infection
  13. Cyanide Poisoning
  14. Ebola Hemorrhagic Fever
  15. Encephalitis
  16. End Stage Renal Disease
  17. Equine Encephalitis
  18. Floppy Infant Syndrome
  19. Fournier Gangrene
  20. Heatstroke
  21. HELLP Syndrome
  22. Hemolytic Uremic Syndrome
  23. Hepatitis D
  24. Hepatitis E
  25. Herpes Encephalitis
  26. High Altitude Cerebral Edema
  27. High Altitude Pulmonary Edema
  28. Hydrocephalus
  29. Hypothermia
  30. Insecticide Inhalation
  31. Intracerebral Hemorrhage
  32. Japanese Encephalitis
  33. Legionnaire's Disease
  34. Leptospirosis
  35. Malaria
  36. Medullary Cystic Disease
  37. Membranous Glomerulonephritis
  38. Moraxella Pneumonia
  39. Nonketotic Hyperglycemic Coma
  40. Norwalk Virus Infection
  41. Pericardial Tamponade
  42. Phlebotomus Fever
  43. Primary Biliary Cirrhosis
  44. Pseudomembranous Colitis
  45. Psittacosis
  46. Pulmonary Actinomycosis
  47. Rabies
  48. Retropharyngeal Abscess
  49. Reye's Syndrome
  50. Rift Valley Fever
  51. Rocky Mountain Spotted Fever
  52. Sepsis
  53. Septic Thrombophlebitis
  54. Shigella Infection
  55. Shock
  56. Skull Fracture
  57. Spina Bifida
  58. St Louis Encephalitis
  59. Stevens Johnson Syndrome
  60. Subarachnoid Hemorrhage
  61. Syndrome of Inappropriate ADH
  62. Thrombotic Thrombocytopenic Purpura
  63. Toxic Epidermal Necrolysis
  64. Typhoid Fever
  65. Typhus
  66. Ventricular Septal Defect
  67. West Nile Virus
  68. Yellow Fever

Last Updated: Mar 1, 2010 References
Authors: Stephen J. Schueler, MD; John H. Beckett, MD; D. Scott Gettings, MD
Copyright DSHI Systems, Inc. Powered by: FreeMD - Your Virtual Doctor

References
  1. Ferri's Clinical Advisor, Fred F. Ferri - 2007
  2. Griffith's 5-Minute Clinical Consult, Mark Dambro - 2006
  3. Harrison's Principles of Internal Medicine, Anthony S. Fauci, Eugene Braunwald, Dennis L. Kasper, Stephen L. Hauser, Dan L. Longo, J. Larry Jameson, Joseph Loscalzo - 2008
  4. Emergency medicine: a comprehensive study guide; Judith E. Tintinalli, Gabor D. Kelen, J. Stephan Stapczynski - 2004
  5. Nelson textbook of pediatrics, Robert Kliegman, Richard E. Behrman, Waldo Emerson Nelson - 2007

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