Symptom: Drowsiness
Drowsiness: Excessive tiredness or sleepiness
Detailed cause information for symptom: Drowsiness:
Medical articles on symptoms: These general medical articles may be of interest:
- Symptoms of the Silent Killer Diseases
- Symptoms and Medical Malpractice
- Medical mistakes and their rates, causes and prevention
- Deaths and sudden death
Drowsiness type of: Sleep symptoms (100), Fatigue (232)
Symptoms: symptom center, symptom groups, symptom descriptions
Possible causes of symptom: Drowsiness: The following medical conditions are some of the possible causes of Drowsiness as a symptom. There are likely to be other possible causes, so ask your doctor about your symptoms.
- Various causes of drowsiness or sleepiness include:
- Sleep debt
- Not getting enough sleep
- Shift work
- Jet lag
- Boredom
- Fatigue - see various causes of fatigue
- Sleepiness - see various causes of sleepiness
- Infections
- Fever
- Virus
- Common cold
- Certain medications
- Emotional disorders
- Sleep disorders
- Insomnia
- Sleep apnea
- Obstructive sleep apnea
- Narcolepsy
- Pickwickian syndrome (obesity-hypoventilation syndrome)
- Brain conditions
- Certain diseases that may cause sleepiness include:
- Anemia
- Kidney disease
- Liver disease
- Hypothyroidism
- Klein-Levin syndrome - mostly in teens.
- Cancer
- Certain drugs and medications
- Sleep debt
- Irregular sleep patterns
- Shift work
- Jet lag
- Narcolepsy
- Sleep apnea
- Obstructive sleep apnea
- Infections
- Viruses
- Allergies
- Common cold
- Flu
- Alcohol
- Caffeine withdrawal
- Certain medications
Medications or substances causing Drowsiness: The following drugs, medications, substances or toxins are some of the possible causes of Drowsiness as a symptom. This list is incomplete and various other drugs or substances may cause your symptoms. Always advise your doctor of any medications or treatments you are using, including prescription, over-the-counter, supplements, herbal or alternative treatments.
- Sleeping pills
- Certain anti-depressants
- Tranquilizers
- Antihistamines
- Certain cold medications
- Certain decongestants
- Beta blockers
- Certain heart pills
- Certain cold and flu medications
- Antihistamines
- Alcohol
- Caffeine withdrawal
Conditions listing symptoms: Drowsiness: The following list of conditions have 'Drowsiness' or similar listed as a symptom in our database. This computer-generated list may be inaccurate or incomplete. Always seek prompt professional medical advice about the cause of any symptom.
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E
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K
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M
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O
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T
U
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Conditions listing complications: Drowsiness: The following list of conditions have 'Drowsiness' or similar listed as a complication in our database. The distinction between a symptom and complication is not always clear, and conditions mentioning this symptom as a complication may also be relevant. This computer-generated list may be inaccurate or incomplete. Always seek prompt professional medical advice about the cause of any symptom.
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Last revised: Nov 26, 2003
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