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hangover
Sign in to saveA hangover is the experience of various unpleasant physiological and psychological effects usually following the consumption of alcohol, such as wine, beer, and liquor. Hangovers can last for several hours or for more than 24 hours. Typical symptoms of a hangover may include headache, drowsiness, weakness, concentration problems, dry mouth, dizziness, fatigue, muscle ache, gastrointestinal distress (e.g., nausea, vomiting, diarrhea), absence of hunger, light sensitivity, depression, sweating, hyper-excitability, high blood pressure, irritability, and anxiety.
A hangover is the unpleasant combination of physical and mental effects that occur after drinking alcohol, with symptoms ranging from headaches and fatigue to nausea, dizziness, and mood changes. Hangovers matter because they can significantly impact how you feel and function, potentially lasting anywhere from a few hours to more than a day after drinking.
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Key facts
- Medical condition.name
- Hangovers
- Medical condition.image
- Edvard Munch-The Day After.jpg
- Medical condition.caption
- The Day After by Edvard Munch, 1894–95
- Medical condition.field
- Neurology, Psychiatry, toxicology
- Medical condition.synonyms
- veisalgia from , "discomfort following overindulgence", and álgos, "pain"
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- Portrait de Suzanne Valadon par Henri de Toulouse-Lautrec.jpg
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~27 min read
Article
24 sectionsContents
- Signs and symptoms
- Causes
- Pathophysiology
- Acetaldehyde
- Congeners
- Vitamin and electrolyte loss
- Dehydration
- Low blood sugar
- Immune system
- Person-related factors
- Management
- Potentially beneficial
- Unsupported remedies
- Common misconceptions
- Drinking water for managing hangover
- "Hair of the dog that bit" method
- Painkillers for managing hangover
- Epidemiology
- Society and culture
- Research
- See also
- References
- Further reading
- External links
A hangover is the experience of various unpleasant physiological and psychological effects usually following the consumption of alcohol, such as wine, beer, and liquor. Hangovers can last for several hours or for more than 24 hours. Typical symptoms of a hangover may include headache, drowsiness, weakness, concentration problems, dry mouth, dizziness, fatigue, muscle ache, gastrointestinal distress (e.g., nausea, vomiting, diarrhea), absence of hunger, light sensitivity, depression, sweating, hyper-excitability, high blood pressure, irritability, and anxiety.
While the causes of a hangover are still poorly understood, several factors are known to be involved including acetaldehyde accumulation, changes in the immune system and glucose metabolism, dehydration, metabolic acidosis, disturbed prostaglandin synthesis, increased cardiac output, vasodilation, sleep deprivation, and malnutrition. Beverage-specific effects of additives or by-products such as congeners in alcoholic beverages also play an important role. The symptoms usually occur after the intoxicating effect of the alcohol begins to wear off, generally the morning after a night of heavy drinking.