Drowsiness
Abnormal feeling of sleepiness or difficulty staying awake.
Also called: Abnormal drowsiness, Drowsiness, Sleepiness, Sleepy, Somnolence.
Conditions associated with drowsiness
The following conditions have been associated with drowsiness in medical literature. This is informational and not a diagnosis.
Acquired methemoglobinemia
Acquired methemoglobinemia is a medical condition that may be associated with various symptoms and signs....
Acute liver failure
Acute liver failure is a medical condition that may be associated with various symptoms and signs....
Alpha-mannosidosis, infantile form
Alpha-mannosidosis, infantile form is a medical condition that may be associated with various symptoms and sig...
Argininosuccinic aciduria
Argininosuccinic aciduria is a medical condition that may be associated with various symptoms and signs....
Bickerstaff brainstem encephalitis
Bickerstaff brainstem encephalitis is a medical condition that may be associated with various symptoms and sig...
Citrullinemia type II
Citrullinemia type II is a medical condition that may be associated with various symptoms and signs....
Congenital hyperinsulinism due to HNF4A deficiency
Congenital hyperinsulinism due to HNF4A deficiency is a medical condition that may be associated with various ...
Crigler-Najjar syndrome
Crigler-Najjar syndrome is a medical condition that may be associated with various symptoms and signs....
Ethylene glycol poisoning
Ethylene glycol poisoning is a medical condition that may be associated with various symptoms and signs....
Fructose-1,6-bisphosphatase deficiency
Fructose-1,6-bisphosphatase deficiency is a medical condition that may be associated with various symptoms and...
Houge-Janssens syndrome 4
Houge-Janssens syndrome 4 is a medical condition that may be associated with various symptoms and signs....
Hyperammonemia due to N-acetylglutamate synthase deficiency
Hyperammonemia due to N-acetylglutamate synthase deficiency is a medical condition that may be associated with...
Lujo hemorrhagic fever
Lujo hemorrhagic fever is a medical condition that may be associated with various symptoms and signs....
Marburg hemorrhagic fever
Marburg hemorrhagic fever is a medical condition that may be associated with various symptoms and signs....
Meningococcal meningitis
Meningococcal meningitis is a medical condition that may be associated with various symptoms and signs....
Methotrexate toxicity
Methotrexate toxicity is a medical condition that may be associated with various symptoms and signs....
Methylcobalamin deficiency type cblE
Methylcobalamin deficiency type cblE is a medical condition that may be associated with various symptoms and s...
Non-insulinoma pancreatogenous hypoglycemia syndrome
Non-insulinoma pancreatogenous hypoglycemia syndrome is a medical condition that may be associated with variou...
Ornithine transcarbamylase deficiency
Ornithine transcarbamylase deficiency is a medical condition that may be associated with various symptoms and ...
Postencephalitic parkinsonism
Postencephalitic parkinsonism is a medical condition that may be associated with various symptoms and signs....
Postsynaptic congenital myasthenic syndrome
Postsynaptic congenital myasthenic syndrome is a medical condition that may be associated with various symptom...
intellectual developmental disorder, autosomal recessive 84
intellectual developmental disorder, autosomal recessive 84 is a medical condition that may be associated with...
migraine, familial hemiplegic, 1
migraine, familial hemiplegic, 1 is a medical condition that may be associated with various symptoms and signs...
migraine, familial hemiplegic, 2
Any familial or sporadic hemiplegic migraine in which the cause of the disease is a mutation in the ATP1A2 gen...
multiple mitochondrial dysfunctions syndrome 9b
A mitochondrial dysfunction syndrome in which the cause of the disease is a mutation in the FDXR gene. It is c...
neurodevelopmental disorder with growth impairment, quadriparesis, and poor or absent speech
neurodevelopmental disorder with growth impairment, quadriparesis, and poor or absent speech is a medical cond...
neurodevelopmental disorder with impaired language, behavioral abnormalities, and dysmorphic facies
neurodevelopmental disorder with impaired language, behavioral abnormalities, and dysmorphic facies is a medic...
Tests providers may use to investigate drowsiness
When investigating drowsiness, a healthcare provider may order one or more of the following laboratory tests. Test selection is a clinical decision made by a qualified professional.
CBC with Differential
Measures red blood cells, white blood cells, and platelets to help evaluate overall health and detect disorder...
Comprehensive Metabolic Panel (CMP)
Measures 14 substances in the blood to assess kidney and liver function, electrolyte balance, and blood sugar ...
Urinalysis
Examines urine content to help detect urinary tract infections, kidney disease, and diabetes....
Symptoms commonly seen alongside drowsiness
Dysphagia
Difficulty in swallowing....
Fatigue
A subjective feeling of tiredness characterized by a lack of energy and motivation....
Fever
Body temperature elevated above the normal range....
Headache
Cephalgia, or pain sensed in various parts of the head, not confined to the area of distribution of any nerve....
Muscle weakness
Reduced strength of muscles....
Seizure
A seizure is an intermittent abnormality of nervous system physiology characterized by a transient occurrence ...
When to seek care
Seek care from a qualified healthcare provider if drowsiness is severe, persistent, worsening, or accompanied by concerning symptoms. If you think you have a medical emergency, call your local emergency number immediately.
Frequently Asked Questions
What does the symptom drowsiness mean?
Drowsiness is a health sign or symptom described in medical literature. Abnormal feeling of sleepiness or difficulty staying awake.
Which conditions are associated with drowsiness?
Drowsiness has been reported in association with 27 conditions in the medical literature we index, including Acquired methemoglobinemia, Acute liver failure, Alpha-mannosidosis, infantile form, Argininosuccinic aciduria, Bickerstaff brainstem encephalitis. These associations do not mean you have any of these conditions.
Should I see a doctor about drowsiness?
You should discuss any persistent or concerning symptoms with a qualified healthcare provider. This website does not provide diagnosis. If you have severe symptoms or signs of a medical emergency, seek care immediately.