Common causes of Lethargy

Causes of Lethargy that are very common

The following causes of Lethargy are diseases or medical conditions that affect more than 10 million people in the USA:

• Depression - lethargy
• Depressive disorders - sluggishness
• Dysthymia - sluggishness
• Insomnia
• Obstructive sleep apnea
• Premenstrual syndrome
• Sleep apnea
• Thyroid disorders - sluggishness
• more causes...»

Causes of Lethargy that are common

The following causes of Lethargy are diseases or conditions that affect more than 1 million people in the USA:

• Alzheimer's disease
• Autoimmune thyroid diseases - sluggishness
• Bipolar disorder - sluggishness
• Constipation - feeling sluggish
• Gastritis - lethargy
• Renal failure
• more causes...»

Causes of Lethargy that are uncommon

The following causes of Lethargy are diseases or conditions that affect more than 200,000 people, but less than 1 million people in the USA:

• Brain injury
• Chronic fatigue syndrome
• Dementia
• Multiple sclerosis
• more causes...»

Causes of Lethargy that are very rare

The following causes of Lethargy appear in the population at a rate of substantially less than 200,000 people per year in the USA:

• Acute myeloid leukemia - Lethargy
• Addison's Disease - lethargy
• Brain cancer - Lethargy
• Huntington's disease
• Hydrocephalus - lethargy
• Melanoma
• Meningitis - lethargy
• Meningococcal disease - lethargy
• Multiple endocrine neoplasia type 1 - Lethargy
• Nocardiosis - lethargy
• Sarcoidosis - sluggishness
• Usher syndrome
• Vibrio - Lethargy
• Viral meningitis - lethargy
• Western equine encephalitis - Lethargy
• more causes...»

Causes of Lethargy without any prevalence information

The following causes of Lethargy are ones for which we do not have any prevalence information.

• 2-Hydroxyglutaricaciduria - lethargy
• 2-Methylbutyric Aciduria - lethargy
• 2-methylbutyryl-coenzyme A dehydrogenase deficiency - lethargy
• 3 alpha methylcrotonyl-Coa carboxylase 1 deficiency - lethargy
• 3 alpha methylcrotonyl-coa carboxylase 2 deficiency - lethargy
• 3-alpha-Hydroxyacyl-CoA Dehydrogenase Deficiency - lethargy
• 3-alpha-hydroxyacyl-coenzyme A dehydrogenase deficiency - lethargy
• 3-methylcrotonyl-CoA carboxylase deficiency - lethargy
• Achalasia - adrenal - alacrima syndrome - lethargy
• Acid-Base Imbalance - lethargy
• Acidemia, methylmalonic - lethargy
• Acidemia, propionic - lethargy
• Acquired hypothyroidism - lethargy
• Acquired idiopathic sideroblastic anaemia - lethargy
• Actinomycetales infection - lethargy
• Acute Disseminated Encephalomyelitis - lethargy
• Acute meningitis - Lethargy
• Acyl-CoA dehydrogenase, short chain, deficiency of - lethargy
• Acyl-CoA dehydrogenase, very long chain, deficiency of - lethargy
• Addison's Disease - lethargy
• Adenocarcinoma of lung - lethargy
• Adenocarcinoma, Bronchiolo-Alveolar - lethargy
• Adrenal hyperplasia, congenital type 3 - lethargy
• African Sleeping sickness - lethargy
• Albright's hereditary osteodystrophy - lethargy
• Alzheimer's disease
• Amotivational syndrome - lethargy
• Anemia, Iron-Deficiency - lethargy
• Anemia, Neonatal - lethargy
• Anemia, Refractory, with Excess of Blasts - lethargy
• Anemia, Refractory, with Excess of Blasts, type 1 - lethargy
• Anemia, Refractory, with Excess of Blasts, type 2 - lethargy
• Aneurysm, intracranial berry - lethargy
• Aneurysm, intracranial berry, 1 - lethargy
• Aneurysm, intracranial berry, 10 - lethargy
• Aneurysm, intracranial berry, 2 - lethargy
• Aneurysm, intracranial berry, 3 - lethargy
• Aneurysm, intracranial berry, 4 - lethargy
• Aneurysm, intracranial berry, 5 - lethargy
• Aneurysm, intracranial berry, 6 - lethargy
• Aneurysm, intracranial berry, 7 - lethargy
• Aneurysm, intracranial berry, 8 - lethargy
• Aneurysm, intracranial berry, 9 - lethargy
• Aneurysmal subarachnoid haemorrhage - lethargy
• Angiofollicular lymph hyperplasia - lethargy
• Antidiarrheal agent poisoning - lethargy
• Aplastic anemia - lethargy
• Apricot seed poisoning - lethargy
• Argininosuccinase lyase deficiency, late onset - lethargy
• Argininosuccinase lyase deficiency, neonatal - lethargy
• Atypical hemolytic uremic syndrome - lethargy
• Bacterial digestive infections - Lethargy
• Bacterial meningitis - Lethargy
• Benign astrocytoma - lethargy
• Biotinidase deficiency - lethargy
• Biotinidase deficiency, late onset - lethargy
• Bird cherry seed poisoning - lethargy
• Bitter almond seed poisoning - lethargy
• Blastoma - lethargy
• Bone-Marrow failure syndromes - lethargy
• Boron overuse - lethargy
• Brain cancer - Lethargy
• Bronchiolitis - lethargic
• California encephalitis - lethargy
• Canavan leukodystrophy - lethargy
• Carbamoyl-phosphate synthase 1 deficiency - lethargy
• Carbon monoxide poisoning
• Cerebellar abscess - lethargy
• Cerebral abscess - lethargy
• Cerebral astrocytoma, adult - lethargy
• Chagas disease - lethargy
• Chemical poisoning - 1,1-Dichloroethene - lethargy
• Chemical poisoning - 1,1-Dimethylhydrazine - lethargy
• Chemical poisoning - 2,4-Dichlorophenol - lethargy
• Chemical poisoning - 2-Methyl-4-Chlorophenoxyacetic Acid - lethargy
• Chemical poisoning - 4-Aminodiphenyl - lethargy
• Chemical poisoning - Acetylene - lethargy
• Chemical poisoning - Acetylene Dichloride - lethargy
• Chemical poisoning - Acetylsalicylic Acid - lethargy
• Chemical poisoning - Benomyl - lethargy
• Chemical poisoning - Benzene - lethargy
• Chemical poisoning - Ethyl Methacrylate - lethargy
• Chemical poisoning - Glaze - lethargy
• Chemical poisoning - Glufosinate - lethargy
• Chemical poisoning - Isopropyl Alcohol - lethargy
• Chemical poisoning - Kratom - lethargy
• Chemical poisoning - Rotenone - lethargy
• Cherry laurel seed poisoning - lethargy
• Cherry seed poisoning - lethargy
• Chokecherry seed poisoning - lethargy
• Choroid Plexus neoplasms - lethargy
• Chronic depression - lethargy
• Chronic fatigue syndrome
• Cirrhosis of liver
• Citrullinemia I, later-onset - lethargy
• Cocaine abuse
• Cocaine addiction - lethargy
• Congenital adrenal hyperplasia - sodium-wasting form - lethargy
• Congenital disorder of glycosylation type 1H - lethargy
• Congenital herpes simplex - lethargy
• Congenital tuberculosis - lethargy
• Constipation - feeling sluggish
• Corticosterone Methyloxidase type I Deficiency - lethargy
• Crack addiction - lethargy
• Cree leukoencephalopathy - lethargy
• Cretinism athyreotic - lethargy
• Defect in synthesis of adenosylcobalamin - lethargy
• Dementia
• Depression - lethargy
• Developmental delay due to 2-methylbutyryl-CoA dehydrogenase deficiency - lethargy
• Diabetes Insipidus, Neurogenic - lethargy
• Diabetes melitis
• Dibasic aminoaciduria 2 - lethargy
• Discitis - lethargy
• Disulfiram toxicity - lethargy
• Double Depression - lethargy
• Down's syndrome
• Electrolyte abnormality - lethargy
• Encephalitis
• Encephalomyelitis - lethargy
• Encephalophathy recurrent of childhood - lethargy
• Endogenous depression - lethargy
• English Laurel poisoning - lethargy
• Enterocolitis - sluggishness
• Enterohemorrhagic Escherichia Coli Infection - Lethargy
• Enterovirus antenatal infection - lethargy
• Erythroblastopenia - lethargy
• Esthesioneuroblastoma - lethargy
• Familial Wilms tumor 2 - lethargy
• Fever - Lethargy
• Fire cherry poisoning - lethargy
• Fire-Bellied Toad poisoning - lethargy
• Flax poisoning - lethargy
• Floppy infant syndrome - lethargy
• Follicular dendritic cell tumor - lethargy
• Food Additive Adverse reaction - chocolate - lethargy
• Food Additive Adverse reaction - sulphite - lethargy
• Foxglove poisoning - lethargy
• Functioning pancreatic endocrine tumor - lethargy
• Galactosemia I - lethargy
• Gastritis - lethargy
• Gastrointestinal neoplasm - lethargy
• Glycine synthase deficiency - lethargy
• Glycine synthase deficiency, type 1 - lethargy
• Glycine synthase deficiency, type 2 - lethargy
• Glénard syndrome - lethargy
• Granulomatous hypophysitis - lethargy
• Grass spider poisoning - lethargy
• HADH deficiency - lethargy
• Helicobacter cinaedi infection - lethargy
• Helicobacter fenneliae infection - lethargy
• Hemolytic Uremic Syndrome, Atypical, Susceptibility to, 1 - lethargy
• Hemolytic Uremic Syndrome, Atypical, Susceptibility to, 2 - lethargy
• Hemolytic Uremic Syndrome, Atypical, Susceptibility to, 3 - lethargy
• Hemolytic Uremic Syndrome, Atypical, Susceptibility to, 4 - lethargy
• Hemolytic Uremic Syndrome, Atypical, Susceptibility to, 5 - lethargy
• Hemolytic Uremic Syndrome, Atypical, Susceptibility to, 6 - lethargy
• Hemosiderosis - lethargy
• Hepatic amyloidosis with intrahepatic cholestasis - lethargy
• Hepatic encephalopathy syndrome - lethargy
• Hepatitis - lethargy
• Hepatitis X (non-A,-B,-C,-D,-E) - lethargy
• Hepatorenal tyrosinemia - lethargy
• Herbal Agent adverse reaction - Licorice - lethargy
• Herbal Agent adverse reaction - Margosa oil - lethargy
• Herbal Agent adverse reaction - Passion Flower - lethargy
• Herbal Agent overdose - Melaleuca Oil - lethargy
• Herbal Agent overdose - Peppermint Oil - lethargy
• Herbal Agent overdose - Valerian - lethargy
• Hereditary spherocytic hemolytic anemia - lethargy
• Herpes, Neonatal - lethargy
• HMG-CoA lyase deficiency - lethargy
• Hobo spider poisoning - lethargy
• Holocarboxylase synthetase deficiency - lethargy
• Huntington's disease
• Hyacinth bean poisoning - lethargy
• Hydrocephalus - lethargy
• Hyperglycinemia - lethargy
• Hypernatremia - lethargy
• Hyperornithinemia-hyperammonemia-homocitrullinuria syndrome - lethargy
• Hyperreninemic Hypoaldosteronism, Familial 2 - lethargy
• Hypoaldosteronism, familial - lethargy
• Hypopituitarism - Lethargy
• Hypoplastic Left Heart Syndrome - lethargy
• Hypothyroidism - sluggishness
• Hypothyroidism due to iodide transport defect - lethargy
• Idiopathic alveolar hypoventilation syndrome - lethargy
• Inborn amino acid metabolism disorder - lethargy
• Inborn urea cycle disorder - lethargy
• Insomnia
• Iron poisoning - Lethargy
• Jatropha multifida poisoning - lethargy
• Jaundice - lethargy
• Juvenile idiopathic arthritis - lethargy
• Juvenile myelomonocytic leukemia - lethargy
• King Cobra poisoning - lethargy
• Kwashiorkor - Lethargy
• L-3-alpha-hydroxyacyl-CoA dehydrogenase, short chain, deficiency - lethargy
• Lactic Acidosis - Lethargy
• Lactic acidosis congenital infantile - lethargy
• LADHSC deficiency - lethargy
• Lassa fever - lethargy
• Lemierre's syndrome - lethargy
• Leucinosis - lethargy
• Lipoamide dehydrogenase deficiency - lethargy
• Listeriosis meningoencephalitis - lethargy
• Lithium toxicity - lethargy
• Long-chain 3-hydroxyacyl-coenzyme A dehydrogenase deficiency - lethargy
• Loquat poisoning - lethargy
• Lyssavirus - Lethargy
• M/SCHAD deficiency - lethargy
• Malignant germ cell tumor - lethargy
• Maple syrup urine disease - lethargy
• Maple syrup urine disease, type 1A - lethargy
• Maple syrup urine disease, type 1B - lethargy
• Maple syrup urine disease, type II - lethargy
• Maple syrup urine disease, type III - lethargy
• Marasmus - Lethargy
• Marijuana amotivational syndrome - lethargy
• Marine turtle poisoning - lethargy
• Marine turtle poisoning - Green Sea Turtle - lethargy
• Marine turtle poisoning - Hawksbill Turtle - lethargy
• Marine turtle poisoning - Leatherback Turtle - lethargy
• Marine turtle poisoning - Loggerhead Turtle - lethargy
• Marine turtle poisoning - Soft-shelled Turtle - lethargy
• Medium and long chan 3-hydroxyacyl-coenzyme A dehydrogenase deficiency - lethargy
• Medium and short chain 3-hydroxyacyl-CoA dehydrogenase deficiency - lethargy
• Medium-Chain Acyl-CoA Dehydrogenase Deficiency - lethargy
• Medulloblastoma - lethargy
• Meningitis - lethargy
• Menopause - lethargy
• Metastatic nervous system cancer - Lethargy
• Methylmalonic acidemia - homocystinuria - lethargy
• Methylmalonic acidemia, cobalamin A deficiency - lethargy
• Methylmalonic acidemia, Cobalamin B deficiency - lethargy
• Methylmalonic acidemia, Methylmalonyl CoA mutase deficiency - lethargy
• Methylmalonic acidemia, methylmalonyl CoA racemase deficiency - lethargy
• Methylmalonic acidemia, vitamin B12 responsive - lethargy
• Methylmalonicaciduria, vitamin B12 unresponsive, mut 0 - lethargy
• Mitochondrial trifunctional protein deficiency - lethargy
• Mohave Rattle snake poisoning - lethargy
• Mountain sickness - lethargy
• Mucormycosis - lethargy
• Multiple endocrine neoplasia - Lethargy
• Multiple endocrine neoplasia type 2 - Lethargy
• Multiple endocrine neoplasia type 3 - Lethargy
• Mycobacterial infections - Lethargy
• Myxedema - lethargy
• N-acetyl glutamate synthetase deficiency - lethargy
• Narcotic addiction - lethargy
• Necrotizing enterocolitis - lethargy
• Neonatal bacterial meningitis - lethargy
• Neuroblastoma - lethargy
• Neuroblastoma, Susceptibility to - lethargy
• Neuroblastoma, Susceptibility to, 1 - lethargy
• Neuroblastoma, Susceptibility to, 2 - lethargy
• Neuroblastoma, Susceptibility to, 3 - lethargy
• Neuroblastoma, Susceptibility to, 4 - lethargy
• Neuroblastoma, Susceptibility to, 5 - lethargy
• Neuroblastoma, Susceptibility to, 6 - lethargy
• Neuroectodermal tumor, primitive - lethargy
• Neuroectodermal tumors primitive - lethargy
• Neurosyphilis
• Nocardiosis - lethargy
• Non-diarrheal (D-) HUS syndrome - lethargy
• Opsoclonus Myoclonus - lethargy
• Organic acidemia - lethargy
• Ornithine transcarbamylase (OTC) Deficiency - lethargy
• Ornithine Transcarbamylase Deficiency - lethargy
• Panic attack
• Papillary renal cell carcinoma - lethargy
• Peach seed poisoning - lethargy
• Perinatal hypophosphatasia - lethargy
• Peripheral neuroectodermal tumor - lethargy
• Phenol sulfotransferase deficiency - lethargy
• Phenothiazine antenatal infection - lethargy
• Phosphoglucomutase deficiency - lethargy
• Pick's disease
• Plant poisoning - Amygdalin - lethargy
• Plant poisoning - Cyanogenic glycoside - lethargy
• Plant poisoning - Lantadene - lethargy
• Plant poisoning - Tetranortriterpene - lethargy
• Plexosarcoma - lethargy
• Post streptococcal glomerulonephritis - lethargy
• Postpartum depression
• Premenstrual syndrome
• Primary amebic meningoencephalitis - lethargy
• Pure red cell aplasia - lethargy
• Rattle snake poisoning - lethargy
• Renal cell carcinoma, papillary, familial - lethargy
• Renal cell carcinoma, papillary, hereditary - lethargy
• Renal cell carcinoma, papillary, sporadic - lethargy
• Renal failure
• Respiratory Syncytial Virus Infections - lethargic
• Reye's Syndrome - lethargy
• Rheumatoid vasculitis - lethargy
• Rhinocerebral mucormycosis - lethargy
• Rhinocerebral zygomycosis - lethargy
• SBCAD deficiency - lethargy
• SCHAD Deficiency - formerly - lethargy
• Seasonal affective disorder
• Shaken Baby Syndrome - lethargy
• Shock - lethargy
• Short Chain Acyl CoA Dehydrogenase Deficiency (SCAD) - lethargy
• Short-Chain Acyl-CoA Dehydrogenase Deficiency - lethargy
• Sick building syndrome - lethargy
• Sleep apnea
• Spleen conditions - Lethargy
• Streptococcal Group B invasive disease - lethargy
• Stress
• Tapioca poisoning - lethargy
• Temporal lobe abscess
• Tick paralysis - lethargy
• Toxic epidermal necrolysis - lethargy
• Tricuspid atresia - lethargy
• Tubatoxin poisoning - lethargy
• Tyrosinemia - lethargy
• Ultram withdrawal - lethargy
• Urea Cycle Disorders - Lethargy
• Vanishing white matter leukodystrophy - lethargy
• Venlafaxine toxicity - lethargy
• Very Long Chain Acyl CoA Dehydrogenase Deficiency - Early onset - lethargy
• Very-Long-Chain Acyl-CoA Dehydrogenase Deficiency - lethargy
• Vibrio vulnificus infection - Lethargy
• Viral digestive infections - Lethargy
• Viral diseases - Lethargy
• Viral meningitis - lethargy
• Visceral steatosis - lethargy
• Volume depletion - Lethargy
• WAGR synsrome
• West nile encephalitis - Lethargy
• West Nile fever - Lethargy
• Western/Eastern/California encephalitis - Lethargy
• Wild cherry seed poisoning - lethargy
• Wild Lima bean poisoning - lethargy
• Wilms tumor 2 - lethargy
• Wilms tumor 3 - lethargy
• Wilms tumor 4 - lethargy
• Wilms tumor and radial bilateral aplasia - lethargy
• Wilms' tumor - lethargy
• Winkelman Bethfe Pfeiffer syndrome - Lethargy
• Worm conditions - Lethargy
• Yellow nail syndrome - Lethargy
• Zygomycosis - lethargy
• more causes...»

All Causes of Lethargy

The full list of all possible causes for Lethargy described in various sources is as follows:

• 2-Hydroxyglutaricaciduria - lethargy
• 2-Methylbutyric Aciduria - lethargy
• 2-methylbutyryl-coenzyme A dehydrogenase deficiency - lethargy
• 3 alpha methylcrotonyl-Coa carboxylase 1 deficiency - lethargy
• 3 alpha methylcrotonyl-coa carboxylase 2 deficiency - lethargy
• more causes...»

See full list of possible disease causes of Lethargy

Drug side effect causes of Lethargy

• Digitoxin
• Crystodigin
• Digitaline
• Calcium Gluconate
• Kalcinate
• more drug causes...»

See detailed list of 146 drug side effect causes of Lethargy

Drug interaction causes of Lethargy:

• Acyclovir and Zovirax interaction
• Trizivir and acyclovir interaction
• Lanoxin (Digoxin) and Cardioquin (Quinidine) interaction
• Lanoxin (Digoxin) and Quinaglute (Quinidine) interaction
• Lanoxin (Digoxin) and Quinidex (Quinidine) interaction
• more drug causes...»

See detailed list of 375 drug interaction causes of Lethargy
 » Next page: Travel-related causes of Lethargy

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