Create issue ticket

1,243 Possible Causes for Lethargy, Somnolence

  • Appendicitis

    In the early stage of appendicitis, infants may primarily demonstrate lethargy, irritability, and loss of appetite.[innerbody.com] Observe the child for signs of fatigue or somnolence. Then gently palpate away from the area of pain. Percuss the abdomen.[sages.org]

  • Meningitis

    All patients had insidious onset and slow progression of behavioral and cognitive dysfunction accompanied by daytime somnolence and headache.[science.gov] However, in younger children, the signs may be far less specific and may include lethargy, irritability, and poor feeding.[irishtimes.com] Lethargy or extreme irritability in infants.[askdrsears.com]

  • Malignant Neoplasm

    Symptoms depend upon the location and size of the tumour and can include headache, seizures, vomiting, somnolence or spinal cord compression.[omicsonline.org] […] metastasis Abdominal pain and jaundice due to liver metastasis Persistent coughing and chest pain due to lung metastasis Unintentional weight loss Persistent fatigue and lethargy[epainassist.com]

  • Ornithine Transcarbamylase Deficiency

    A 22-year-old woman with a negative urine drug screen and somnolence rapidly reversed by intravenous flumazenil was found to have elevated ammonia levels and punctate calcifications[ncbi.nlm.nih.gov] Ornithine transcarbamylase deficiency causes vomiting, lethargy, hyperventilation, and even death, mainly in the neonatal period.[ncbi.nlm.nih.gov] The patient had suffered episodes of hyperammonemic encephalopathy ranging from lethargy to coma, treated by hemodialysis twice before LDLT, and her intelligence quotient[ncbi.nlm.nih.gov]

  • Hypercapnia

    A 38-year-old patient with effort dyspnea, somnolence, cianosis and cor pulmonale is presented.[ncbi.nlm.nih.gov] Treatment with nocturnal O2 during a 2-yr period was associated with stable cardiovascular function but severe morning headaches and lethargy, presumably related to nightly[ncbi.nlm.nih.gov] These include Altered mental status (agitation, somnolence) Peripheral or central cyanosis or decreased oxygen saturation on pulse oximetry Manifestations of a "stress response[mcgill.ca]

  • Hydrocephalus

    Symptoms can include vomiting, lethargy, headache, enlarged head or even seizures. There is no cure, but treatment may provide long-term relief.[medtronic.com] […] healthy male patient, except for a history of two previous surgeries for ulnar nerve entrapment and progressive left upper extremity weakness, presented with acute onset somnolence[ncbi.nlm.nih.gov] Manifestations can include enlarged head, bulging fontanelle, irritability, lethargy, vomiting, and seizures.[merckmanuals.com]

  • Myxedema

    Usually somnolence and lethargy have been present for months. Lethargy may develop via stupor into a comatose state.[ncbi.nlm.nih.gov] These symptoms include: Fatigue Lethargy Mental impairment Depression Cold intolerance Hoarseness Dry skin Weight gain Myxedema can be treated by managing the underlying cause[differencebetween.info] Friends, relatives and acquaintances might have noted increasing lethargy, complaints of cold intolerance, and changes in the voice.[endocrinologyadvisor.com]

  • Hypoxia

    Signs: Rapid Breathing Cyanosis Poor Coordination Lethargy/Lassitude Executing Poor Judgment Symptoms: Air Hunger Dizziness Headache Mental and Muscle Fatigue Nausea Hot and[favoriteplus.com] Subjective symptoms may include fatigue, lassitude (state of exhaustion), somnolence (drowsiness, sleepiness), dizziness, headache, breathlessness, and euphoria.[mountainflying.com] The symptoms in pediatric patients can be similar to the above and may include the following: Lethargy Irritableness Anxiousness Inattentiveness Sitting up and leaning forward[medicinenet.com]

  • Carbamoyl Phosphate Synthetase Deficiency

    Children may become lethargic, somnolent and fall into coma. Seizures are common.[symptoma.com] Presentation History In homozygous neonates, early-onset lethargy and, in some cases, seizures are often the first signs of abnormality.[emedicine.medscape.com] , which depletes α-ketoglutarate - inhibits TCA cycle limit protein in diet acquired (liver dz) or hereditary (urea cycle enzyme deficiency) tremor, slurring of speech, somnolence[quizlet.com]

  • Hepatic Encephalopathy

    Hepatic encephalopathy typically presents with confusion, lethargy, and sometimes dramatic changes in behavior and motor skills.[verywell.com] […] addition Grade 2 Lethargy or apathy Minimal disorientation for time or place Subtle personality change Inappropriate behavior Impaired performance of subtraction Grade 3 Somnolence[aafp.org] Grade 3 : somnolent but rousable, unable to perform mental tasks, disorientation to time and place, marked confusion, amnesia, occasional fits of rage, speech is present but[oxfordmedicaleducation.com]

Further symptoms

Similar symptoms