A hangover is the set of symptoms caused by excessive alcohol intake.
Someone who has a hangover has usually consumed a large amount of alcohol in the previous 24 hours. Most times, the alcohol also dehydrates the person. Some sleep deprivation is common. Alcohol intoxication can cause a simple lack of sleep or a disturbance in proper sleep patterns. Hangovers can cause a wide range of symptoms.
Drinking alcohol is nearly always the cause of a hangover. Some alcoholic drinks are more likely to lead to hangovers. These include cognac, wine, champagne, brandy, and some whiskeys. Drinking on an empty stomach, having a low percentage of body fat, or being small in size, can also make a hangover more likely. There is a significant risk of death from alcohol poisoning if individuals drink too much too fast or ignore the symptoms of a hangover and continue drinking.
Hangovers consist of many of the following symptoms:
A hangover is diagnosed when drinking alcohol is followed by the common symptoms of hangover.
The best way to prevent a hangover is to avoid drinking alcohol. Hangovers are less likely to happen to people who drink moderately on a full stomach, avoid drinking too much, and avoid becoming dehydrated.
Hangovers usually go away within 24 hours. If they are not treated, they could last as long as 2 days.
Hangovers are not contagious. Driving while intoxicated is a leading cause of injury to others.
It is important to prevent hangovers by avoiding the causes. If a hangover develops, the person should drink plenty of fluids, rest, and avoid activities that need mental concentration. Over-the-counter pain relievers, such as
There are few complications. Some people can stay dehydrated for as long as 48 hours if they do not make a conscious effort to drink fluids. Hangovers usually resolve easily by this time.
If headaches and stomach upset last more than 24 hours after drinking, a healthcare provider should be called.
Author:James Broomfield, MD
Date Written:
Editor:
Edit Date:
Reviewer:Lisa Sterling, PharmD
Date Reviewed:07/27/01