Everyone Healthy Library
Sleepiness or Drowsiness (Somnolence)
Sign or symptom reference page from the Everyone Healthy database.
! Seek urgent medical care if warning signs appear
A symptom can have many possible causes. Some symptoms need urgent assessment, especially when they are severe, sudden or rapidly worsening.
Get urgent medical care now if there is any severe, sudden, rapidly worsening or worrying symptom, especially:
- chest pain, pressure or pain spreading to the arm, jaw or back
- trouble breathing, blue lips, severe wheeze or choking
- stroke-like symptoms such as face drooping, arm weakness or speech trouble
- collapse, fainting, seizure, confusion or extreme drowsiness
- severe bleeding, black stools, vomiting blood or major injury
- severe allergic reaction, swelling of the face/throat or widespread rash with breathing trouble
- severe abdominal pain, severe headache, stiff neck or sudden vision change
- signs of severe dehydration, sepsis, high fever with worsening illness, or symptoms in a baby/young child that concern you
Full information
Sleepiness or Drowsiness (Somnolence)
Somnolence
Somnolence (or "drowsiness") is a state of near-sleep, a strong desire for sleep, or sleeping for unusually long period
Symptom classification
Body areaMental
Conditions linked to this sign/symptom
17- Adjustment Sleep Disorder
- Cannabis Abuse
- Cannabis Dependence
- Hepatic Encephalopathy
- Heroin Intoxication
- Hypertension
- Idiopathic Hypersomnia
- Insomnia
- Iron Deficiency Anemia
- Kidney Failure
- Menigitis
- Myotonic Dystrophy
- Narcolepsy
- Nonketotic Hyperosmolar Syndrome
- Obstructive Sleep Apnea
- Periodic Limb Movement Disorder
- Sleep Apnoea
Drugs where this is listed as a side effect
44- Aciclovir
- Acitretin
- Amantadine
- Anastrozole
- Atomoxetine
- Benzylpenicillin
- Candesartan
- Cetirizine
- Exemestane
- Gabapentin
- Gemcitabine
- Granisetron
- Inteferon alfa
- Itraconazole
- Ivermectin
- Ketoconazole
- Ketoprofen
- Labetalol
- Lamotrigine
- Letrozole
- Levodopa
- Levodopa with Benserazide
- Levodopa with Carbidopa
- Lodoxamide
- Mefloquine
- Naltrexone
- Oxcarbazepine
- Oxybutinin
- Paliperidone
- Pamidronate
- Quetiapine
- Ritonavir
- Saquinavir
- Sertraline
- Sodium Valproate
- Tamsulosin
- Terazosin
- Thalidomide
- Thiotepa
- Topiramate
- Tramadol
- Trimipramine
- Varenicline
- Zolmitriptan