What is a hangover?
A person with a hangover has uncomfortable physical symptoms after drinking alcohol. Hangovers may be caused by dehydration, as well as toxins that are created during the breakdown of alcohol by the liver.

What are the symptoms of a hangover?
Symptoms of a hangover include dizziness, fatigue, headache, nausea, muscle aches, vomiting, sensitivity to bright light and noise.

How does the doctor treat a hangover?
Treatment for a hangover includes oral fluids, rest, antacids, and nonsteroidal anti-inflammatory medications for pain.