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59 Possible Causes for Lethargy, Sunken Fontanelle

  • Dehydration

    The major presenting complaints were fever (34.6%), poor feeding (42.8%), loose stools (40.8%) and lethargy (26.5%).[ncbi.nlm.nih.gov] Signs of Dehydration Mild Thirst Dry lips Slightly dry mouth membranes Moderate Very dry mouth membranes Sunken eyes Sunken fontanelle (soft spot) on infant’s head.[quickcare.org] We report a 13-day-old exclusively breastfed neonate, admitted with a history of fever, poor feeding, lethargy and decreased urine output.[ncbi.nlm.nih.gov]

  • Acute Gastroenteritis

    Patients with Salmonella infection frequently presented with fever, lethargy, bloody stool, and elevated serum level of C-reactive protein (CRP); norovirus and rotavirus infection[ncbi.nlm.nih.gov] Severe dehydration—which is an emergency—can cause extreme thirst, extreme sleepiness, sunken fontanels, and fussiness in infants; irritability/confusion in adults; and dry[contemporaryclinic.pharmacytimes.com] Give them appropriate anticipatory guidance regarding the need to monitor for urine output (at least one urination in 8hrs) and signs of true lethargy – for which they should[pedemmorsels.com]

  • Hyponatremia

    Thirteen months later, he was hospitalized for lethargy and hyponatremia of 108 mEq/L, with an antidiuretic hormone level of 2.5 pg/mL, which suggested syndrome of inappropriate[ncbi.nlm.nih.gov] fontanelle) have a dry mouth have dark-yellow pee have cold and blotchy-looking hands and feet Once the dehydration has been treated your child will need to maintain their[nhs.uk] A 69-year-old previously well Sinhalese man presented with lethargy, loss of appetite, vomiting, and altered behavior of 1 week's duration.[ncbi.nlm.nih.gov]

  • Diabetes Insipidus

    She had a 3-month history of lethargy, reduced appetite, weight loss, cough and intermittent fevers.[ncbi.nlm.nih.gov] Symptoms may include: Dry mucous membranes Dry skin Sunken appearance to eyes Sunken fontanelles (soft spot) in infants Changes in memory or balance Other symptoms that can[nlm.nih.gov] If you lose too much water, you could have: Unexplained weakness Lethargy Muscle pains Irritability How Is It Diagnosed?[webmd.com]

  • Cerebral Salt-Wasting Syndrome

    Values less than 135 mEq/L lead to profound neurological symptomatology due to cerebral edema, including a diminished level of consciousness and lethargy, cephalalgia, epileptic[symptoma.com] Symptoms include lethargy, agitation, headache, altered consciousness, seizures,and coma .[slideshare.net] Hyponatremia signs and symptoms—confusion, lethargy, decreased level of consciousness, seizures, and coma—are common, too.[americannursetoday.com]

  • Hydrocephalus

    Manifestations can include enlarged head, bulging fontanelle, irritability, lethargy, vomiting, and seizures.[merckmanuals.com] In children, doctors check for eyes that are sunken in, slow reflexes, a bulging fontanel, and a head circumference that is larger than normal for their age.[healthline.com] Symptoms can include vomiting, lethargy, headache, enlarged head or even seizures. There is no cure, but treatment may provide long-term relief.[medtronic.com]

  • Intussusception

    The most common presenting features are colicky abdominal pain, vomiting, pallor, lethargy and listlessness.[ncbi.nlm.nih.gov] Symptoms of dehydration include lethargy (tiredness), fewer wet nappies than usual and the soft spot (fontanel) on top of the head being sunken.[gosh.nhs.uk] Cause of the lethargy is unclear.[pedemmorsels.com]

  • Hypovolemic Shock

    Vasodilation Loss of electrolytes like sodium Pregnancy-associated conditions Severe diarrhea and vomiting Symptoms Symptoms and signs may include: Light headedness Dizziness and lethargy[symptoma.com] Early signs of dehydration: poor skin turgor, sunken fontanelle in infants, decrease in body weight Signs of internal bleeding: abdominal tenderness, swelling, discoloration[ehealthstar.com] Also observe for restlessness, agitation, or lethargy. Compare your results with the baseline assessment to see if anything has changed.[163.178.103.176]

  • Rotavirus Infection

    […] infection in infants leads to the same symptoms, including severe diarrhea, vomiting, and fever; dehydration also leads to sunken fontanelles, a decreased production of tears, lethargy[symptoma.com] When to seek medical advice Seek medical advice if there are any of the following symptoms: Adults signs of dehydration, such as thirst and decreased urination, lethargy,[sahealth.sa.gov.au] Symptoms of dehydration include lethargy, dry, cool skin, absence of tears when crying, dry or sticky mouth, sunken eyes or sunken fontanel (the soft spot on the head of infants[medicinenet.com]

  • Giardiasis

    Head and neck: Infants may present with sunken fontanels during massive diarrhea. Tongue may appear dry and eyes will appear sunken with dehydration.[symptoma.com]

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