Drowsiness
Abnormal feeling of sleepiness or difficulty staying awake.
What is Drowsiness?
Drowsiness is a symptom that people may experience for many reasons. It can be related to infections, chronic conditions, injuries, medication effects, or other health changes. The presence of this symptom alone does not diagnose any condition.
If you have Drowsiness that is severe, persistent, or accompanied by other warning signs, contact a qualified healthcare provider.
Possible conditions associated with Drowsiness
The following conditions have been associated with Drowsiness. Only a health professional can determine the underlying cause.
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 signs.
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 signs.
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 symptoms a...
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 signs.
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 various s...
Related symptoms
When to seek medical care
Seek urgent care if Drowsiness is severe, sudden, or occurs with chest pain, difficulty breathing, confusion, severe weakness, or other serious symptoms.